TL331Q-Q1 [TI]
TL331B-Q1, TL391B-Q1 and TL331-Q1 Automotive Single Comparators;
| 型号： | TL331Q-Q1 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | TL331B-Q1, TL391B-Q1 and TL331-Q1 Automotive Single Comparators |
| 文件： | 总27页 (文件大小：1641K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TL331-Q1, TL331B-Q1, TL391B-Q1
SLVS969F – OCTOBER 2009 – REVISED JANUARY 2021
TL331B-Q1, TL391B-Q1 and TL331-Q1 Automotive Single Comparators
1 Features
3 Description
•
•
Qualified for automotive applications
AEC-Q100 qualified with the following results:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature range (B and Q
versions)
– Device temperature grade 3: –40°C to 85°C
ambient operating temperature range (I
version)
– Device HBM ESD classification level 2
– Device CDM ESD classification level C5
NEW TL331B-Q1 and TL391B-Q1
Wide range of supply voltage, 2 V to 36 V
Low supply-current drain independent of supply
voltage:
The TL331B-Q1 and TL391B-Q1 devices are the next
generation versions of the industry-standard TL331-
Q1 comparator. These next generation devices
provide outstanding value for cost-sensitive
applications, with features including lower offset
voltage, higher supply voltage capability, lower supply
current, lower input bias current, lower propagation
delay, dedicated ESD protection cells with improved
negative input voltage handling. The TL331B-Q1 can
drop-in replace both the TL331-Q1 "I" and "Q"
versions. The TL391B-Q1 provides an alternate
pinout of the TL331B-Q1.
•
•
•
This device consists of a single voltage comparator
designed to operate from a single power supply over
a wide range of voltages. Operation from dual
supplies also is possible if the difference between the
two supplies is 2 V to 36 V and VCC is at least 1.5 V
more positive than the input common-mode voltage.
Current drain is independent of the supply voltage. To
achieve wired-AND relationships, one can connect the
output to other open-collector outputs.
0.43 mA Typ (B version)
•
•
•
Low input bias current, 3.5 nA typ (B version)
Low input offset voltage, 0.37 mV typ (B Version)
Differential input voltage range equal to maximum-
rated supply voltage, ±36 V
Input range includes ground
TL391B-Q1 provides an alternate pinout
Output compatible With TTL, MOS and CMOS
•
•
•
Device Information
PART NUMBER
PACKAGE (1) BODY SIZE (NOM)
TL331B-Q1,
TL391B-Q1,
TL331-Q1
2 Applications
SOT-23 (5)
2.90 mm × 1.60 mm
•
•
•
•
Automotive
HEV/EV and power train
Infotainment and cluster
Body control module
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Family Comparison Table
TL331B-Q1
TL391B-Q1
Specification
TL331I-Q1
TL331Q-Q1
Units
Supply Votlage
2 to 36
0.43
2 to 36
0.7
2 to 36
0.7
V
mA
°C
Total Supply Current (5V to 36V max)
Temperature Range
−40 to 125
2000
-40 to 85
2000
-40 to 125
2000
ESD (HBM)
V
Offset Voltage (Max over temp)
Input Bias Current (typ / max)
Response Time (typ)
± 4
± 9
± 9
mV
nA
3.5 / 25
1
25 / 250
1.3
25 / 250
1.3
µsec
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.
TL331-Q1, TL331B-Q1, TL391B-Q1
SLVS969F – OCTOBER 2009 – REVISED JANUARY 2021
www.ti.com
Table of Contents
1 Features............................................................................1
2 Applications.....................................................................1
3 Description.......................................................................1
Family Comparison Table..................................................1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................3
6 Specifications.................................................................. 4
6.1 Absolute Maximum Ratings, TL331-Q1......................4
6.2 Absolute Maximum Ratings, TL331B-Q1 and
TL391B-Q1....................................................................4
6.3 ESD Ratings, All Devices............................................4
6.4 Recommended Operating Conditions, TL331-Q1.......5
6.5 Recommended Operating Conditions, TL331B-
Q1 and TL391B-Q1.......................................................5
6.6 Thermal Information....................................................5
6.7 Electrical Characteristics, TL331B-Q1 and
TL391B-Q1 ...................................................................6
6.8 Switching Characteristics, TL331B-Q1 and
TL391B-Q1 ...................................................................6
6.9 Electrical Characteristics, TL331-Q1.......................... 7
6.10 Switching Characteristics, TL331-Q1........................7
6.11 Typical Characteristics, TL331-Q1............................8
6.12 Typical Characteristics, TL331B-Q1 and
7 Detailed Description......................................................15
7.1 Overview...................................................................15
7.2 Functional Block Diagram.........................................15
7.3 Feature Description...................................................15
7.4 Device Functional Modes..........................................15
8 Application and Implementation..................................16
8.1 Application Information............................................. 16
8.2 Typical Application.................................................... 16
9 Power Supply Recommendations................................18
10 Layout...........................................................................18
10.1 Layout Guidelines................................................... 18
10.2 Layout Example...................................................... 18
11 Device and Documentation Support..........................19
11.1 Documentation Support.......................................... 19
11.2 Receiving Notification of Documentation Updates..19
11.3 Support Resources................................................. 19
11.4 Trademarks............................................................. 19
11.5 Electrostatic Discharge Caution..............................19
11.6 Glossary..................................................................19
12 Mechanical, Packaging, and Orderable
Information.................................................................... 19
TL391B-Q1....................................................................9
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (November 2020) to Revision F (January 2021)
Page
•
Corrected front page link text to add missing "B"............................................................................................... 1
Changes from Revision D (June 2020) to Revision E (November 2020)
Page
•
•
•
•
Updated the numbering format for tables, figures, and cross-references throughout the document..................1
Changed TL331B-Q1 and TL391B-Q1 minimum recommended supply voltage to 2V throughout datasheet...1
Corrected supply voltages for all devices in Family Comparison Table..............................................................1
Added TL331B-Q1 and TLV391B-Q1 Typical Graphs........................................................................................9
Changes from Revision C (October 2013) to Revision D (June 2020)
Page
•
•
•
Added B device. Updated to current TI datasheet format. Modified front page text to highlight B version.........1
Added Family Comparison Table........................................................................................................................1
Added Links to Family Table ..............................................................................................................................1
Changes from Revision B (September 2012) to Revision C (October 2013)
Page
Changed VICR in the Electrical Characteristics...................................................................................................7
Changed test conditions of IOL in the Electrical Characteristics......................................................................... 7
•
•
Changes from Revision A (July 2010) to Revision B (September 2012)
Page
•
Changed VICR in the Electrical Characteristics...................................................................................................7
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5 Pin Configuration and Functions
IN-
GND
IN+
1
2
3
5
4
V
CC
+
OUT
Note reversed inputs compared to similar popular pinout
Figure 5-1. TL331-Q1, TL331B-Q1 DBV Package
5-Pin SOT-23
Top View
OUT
GND
IN-
1
2
3
5
4
V
CC
IN+
Note reversed inputs compared to similar popular pinout
Figure 5-2. TL391B-Q1 DBV Package
5-Pin SOT-23
Top View
Table 5-1. Pin Functions
PIN
TL331-Q1,
TL331B-Q1
TL391B-Q1
TYPE
DESCRIPTION
NAME
IN+
NO.
3
NO.
4
I
Positive Input
Negative Input
IN–
1
3
I
OUT
VCC
4
1
O
—
—
Open Collector/Drain Output
Power Supply Input
Ground
5
5
GND
2
2
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SLVS969F – OCTOBER 2009 – REVISED JANUARY 2021
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6 Specifications
6.1 Absolute Maximum Ratings, TL331-Q1
over operating free-air temperature range (unless otherwise noted)(1)
MIN
0
MAX
36
UNIT
V
VCC
VID
VI
Supply voltage(2)
Differential input voltage(3)
Input voltage range (either input)
Output voltage
–36
–0.3
0
36
V
36
V
VO
IO
36
V
Output current
0
20
mA
Duration of output short-circuit to ground(4)
Operating virtual junction temperature
Storage temperature
Unlimited
150
TJ
°C
°C
Tstg
–65
150
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under
Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device
reliability.
(2) All voltage values, except differential voltages, are with respect to the network ground.
(3) Differential voltages are at IN+ with respect to IN–.
(4) Short circuits from outputs to VCC can cause excessive heating and eventual destruction.
6.2 Absolute Maximum Ratings, TL331B-Q1 and TL391B-Q1
over operating free-air temperature range (unless otherwise noted)(1)
MIN
-0.3
–38
–0.3
-0.3
MAX
38
UNIT
V
VCC
VID
VI
Supply voltage(2)
Differential input voltage(3)
Input voltage range (either input)
Output voltage
38
V
38
V
VO
IO
38
V
Output current
20
mA
Duration of output short-circuit to ground(4)
Input current(5)
Unlimited
IIK
–50
150
150
mA
°C
TJ
Operating virtual junction temperature
Storage temperature
–40
–65
Tstg
°C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under
Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device
reliability.
(2) All voltage values, except differential voltages, are with respect to the network ground.
(3) Differential voltages are at IN+ with respect to IN–.
(4) Short circuits from outputs to VCC can cause excessive heating and eventual destruction.
(5) Input current flows thorough parasitic diode to ground and will turn on parasitic transistors that will increase ICC and may cause output
to be incorrect. Normal operation resumes when input current is removed.
6.3 ESD Ratings, All Devices
VALUE
±2000
±750
UNIT
Human-body model (HBM), per AEC Q100-002(1)
Charged-device model (CDM), per AEC Q100-0111
V(ESD)
Electrostatic discharge
V
(1) AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.
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6.4 Recommended Operating Conditions, TL331-Q1
over operating free-air temperature range (unless otherwise noted)
MIN
2
MAX
36
UNIT
V
VCC
TJ
Supply voltage
Junction temperature, TL331IDBVRQ1
Junction temperature, TL331QDBVRQ1
–40
–40
85
°C
TJ
125
°C
6.5 Recommended Operating Conditions, TL331B-Q1 and TL391B-Q1
over operating free-air temperature range (unless otherwise noted)
MIN
2
MAX
36
UNIT
V
VCC
TJ
Supply voltage
Junction temperature
–40
125
°C
6.6 Thermal Information
TL331-Q1
TL331B-Q1,
TL391B-Q1
THERMAL METRIC(1)
UNIT
DBV (SOT-23) DBV (SOT-23)
5 PINS
218.3
87.3
5 PINS
211.7
133.6
79.9
RθJA
RθJC(top)
RθJB
ψJT
Junction-to-ambient thermal resistance
°C/W
°C/W
°C/W
°C/W
°C/W
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
44.9
Junction-to-top characterization parameter
Junction-to-board characterization parameter
4.3
56.4
ψJB
44.1
79.6
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
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6.7 Electrical Characteristics, TL331B-Q1 and TL391B-Q1
VS = 5 V, VCM = (V–) ; TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
–2.5
–4
TYP
MAX
UNIT
VS = 5 to 36V
±0.37
2.5
VIO
Input offset voltage
mV
VS = 5 to 36V, TA = –40°C to +125°C
TA = –40°C to +125°C
4
–25
–3.5
±0.5
nA
nA
nA
nA
V
IB
Input bias current
–50
–10
–25
10
IOS
Input offset current
Common mode range
TA = –40°C to +125°C
VS = 3 to 36V
25
(V–)
(V–)
(V+) – 1.5
(V+) – 2.0
VCM
AVD
VS = 3 to 36V, TA = –40°C to +125°C
V
Large signal differential
voltage amplification
VS = 15V, VO = 1.4V to 11.4V;
RL ≥ 15k to (V+)
50
200
110
V/mV
mV
ISINK ≤ 4mA, VID = -1V
400
550
Low level output Voltage
{swing from (V–)}
VOL
ISINK ≤ 4mA, VID = -1V
TA = –40°C to +125°C
mV
High-level output leakage
current
IOH-LKG
(V+) = VO = 5 V; VID = 1V
0.1
20
nA
nA
High-level output leakage
current
(V+) = VO = 36V; VID = 1V; TA = –40°C to
+125°C
IOH-LKG
IOL
1000
Low level output current
VOL = 1.5V; VID = -1V; VS = 5V
VS = 5 V, no load
6
18
210
275
mA
µA
µA
330
430
IQ
Quiescent current
VS = 36 V, no load, TA = –40°C to +125°C
6.8 Switching Characteristics, TL331B-Q1 and TL391B-Q1
VS = 5V, VO_PULLUP = 5V, VCM = VS/2, CL = 15pF, RL = 5.1k Ohm, TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Propagation delay time, high-
tresponse
to-low; Small scale input signal Input overdrive = 5mV, Input step = 100mV
1000
ns
(1)
Propagation delay time, high-
TTL input with Vref = 1.4V
to-low; TTL input signal (1)
tresponse
300
ns
(1) High-to-low and low-to-high refers to the transition at the input.
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6.9 Electrical Characteristics, TL331-Q1
at specified free-air temperature, VCC = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
TA
MIN
TYP
MAX UNIT
25°C
2
5
VCC = 5 V to 30 V, VO = 1.4 V,
VIC = VIC(min)
VIO
IIO
IIB
Input offset voltage
mV
9
–40°C to 125°C
25°C
5
50
nA
250
Input offset current
Input bias current
VO = 1.4 V
VO = 1.4 V
–40°C to 125°C
25°C
–25
–250
nA
–400
–40°C to 125°C
25°C
0 to VCC – 1.5
0 to VCC – 2
Common-mode input voltage
range(2)
VICR
AVD
IOH
V
–40°C to 125°C
Large-signal differential-voltage VCC = 15 V, VO = 1.4 V to 11.4 V,
25°C
50
200
0.1
V/mV
amplification
RL ≥ 15 kΩ to VCC
VOH = 5 V, VID = 1 V
VOH = 30 V, VID = 1 V
25°C
–40°C to 125°C
25°C
50
1
nA
μA
High-level output current
150
0.4
400
700
VOL
Low-level output voltage
IOL = 4 mA, VID = –1 V
mV
–40°C to 125°C
25°C
IOL
ICC
Low-level output current
Supply current
VOL = 1.5 V, VID = –1 V
RL = ∞, VCC = 5 V
6
mA
mA
25°C
0.7
(1) All characteristics are measured with zero common-mode input voltage, unless otherwise specified.
(2) The voltage at either input or common-mode should not be allowed to go negative by more than 0.3 V. The upper end of the common-
mode voltage range is VCC+ – 1.5 V at 25°C, but either or both inputs can go to 30 V without damage.
6.10 Switching Characteristics, TL331-Q1
VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
1.3
UNIT
100-mV input step with 5-mV overdrive
TTL-level input step
Response time RL connected to 5 V through 5.1 kΩ, CL = 15 pF(1) (2)
μs
0.3
(1) CL includes probe and jig capacitance.
(2) The response time specified is the interval between the input step function and the instant when the output crosses 1.4 V.
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6.11 Typical Characteristics, TL331-Q1
TA= 25°C, VS= 5V, RPULLUP=5.1k, CL = 15 pF, VCM= 0 V unless otherwise noted.
1.0
0.8
0.6
0.4
0.2
0.0
70
60
50
40
30
20
10
0
-40C
85C
0C
25C
-40C
85C
0C
25C
125C
125C
0
10
20
Vcc (V)
30
40
0
8
16
24
32
40
Vcc (V)
C001
C002
Figure 6-1. Supply Current vs Supply Voltage
Figure 6-2. Input Bias Current vs Supply Voltage
10.000
1.000
0.100
0.010
0.001
-40C
25C
0C
85C
125C
0.01
0.1
1
10
100
Output Sink Current, Io(mA)
C005
Figure 6-3. Output Low Voltage vs Output Current (IOL
)
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6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1
TA = 25°C, VS = 5 V, RPULLUP = 5.1k, CL = 15 pF, VCM = 0 V, VUNDERDRIVE = 100 mV, VOVERDRIVE = 100 mV unless otherwise
noted.
300
280
260
240
220
200
180
160
140
120
100
250
230
210
190
170
150
130
110
90
No Load, Output High
-40°C
0°C
25°C
85°C
125°C
-40°C
0°C
25°C
85°C
125°C
VS=3V
70
50
2
4
6
8
10 12 14 16 18 20 22 24 26 28 30 32 34 36
Supply Voltage (V)
-0.2
0
0.2 0.4 0.6 0.8
1
Input Voltage (V)
1.2 1.4 1.6 1.8
2
Figure 6-4. Supply Current vs. Supply Voltage
Figure 6-5. Total Supply Current vs. Input Voltage at 3V
250
230
210
190
170
150
130
110
90
250
230
210
190
170
150
130
-40°C
0°C
25°C
85°C
125°C
-40°C
0°C
25°C
85°C
125°C
110
90
70
70
VS=5V
0
VS=5V
0
50
-0.5
50
-0.5
0.5
1
1.5
Input Voltage (V)
2
2.5
3
3.5
4
0.5
1
1.5
Input Voltage (V)
2
2.5
3
3.5
4
Figure 6-6. Total Supply Current vs. Input Voltage at 3.3V
Figure 6-7. Total Supply Current vs. Input Voltage at 5V
250
230
210
190
170
150
130
300
280
260
240
220
-40°C
0°C
25°C
85°C
125°C
-40°C
0°C
25°C
85°C
125°C
110
90
200
180
70
VS=12V
VS=36V
2
50
-1
160
-1
0
1
2
3
4
5
6
Input Voltage (V)
7
8
9
10 11
5
8
11 14 17 20 23 26 29 32 35
Input Voltage (V)
Figure 6-8. Total Supply Current vs. Input Voltage at 12V
Figure 6-9. Total Supply Current vs. Input Voltage at 36V
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6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1 (continued)
TA = 25°C, VS = 5 V, RPULLUP = 5.1k, CL = 15 pF, VCM = 0 V, VUNDERDRIVE = 100 mV, VOVERDRIVE = 100 mV unless otherwise
noted.
0
-0.5
-1
0
-0.5
-1
125°C
85°C
25°C
0°C
VCM=0V
VS=5V
-40°C
-1.5
-2
-1.5
-2
-2.5
-3
-2.5
-3
125°C
85°C
25°C
0°C
-3.5
-4
-3.5
-4
-4.5
-5
-4.5
-5
-40°C
-0.5
0
0.5
1
1.5
2
Input Voltage (V)
2.5
3
3.5
3
6
9
12 15 18 21 24 27 30 33 36
Supply Voltage (V)
Figure 6-11. Input Bias Current vs. Input Voltage at 5V
Figure 6-10. Input Bias Current vs. Supply Voltage
0
1
VS=12V
-0.5
VS=36V
0.5
0
-1
-1.5
-2
-0.5
-1
-1.5
-2
-2.5
-3
-2.5
-3
125°C
-3.5
-4
125°C
85°C
25°C
0°C
85°C
25°C
0°C
-3.5
-4
-4.5
-5
-4.5
-5
-40°C
-40°C
-0.5 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5
Input Voltage (V)
0
4
8
12
16 20
Input Voltage (V)
24
28
32
36
Figure 6-12. Input Bias Current vs. Input Voltage at 12V
Figure 6-13. Input Bias Current vs. Input Voltage at 36V
2
1.5
1
2
TA = 25°C
63 Channels
1.5
1
0.5
0
0.5
0
-0.5
-0.5
-1
-1
TA = -40°C
63 Channels
-1.5
-1.5
-2
-2
3
6
9
12 15 18 21 24 27 30 33 36
Supply Voltage (V)
3
6
9
12 15 18 21 24 27 30 33 36
Supply Voltage (V)
Figure 6-14. Input Offset Voltage vs. Supply Voltage at -40°C
Figure 6-15. Input Offset Voltage vs. Supply Voltage at 25°C
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6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1 (continued)
TA = 25°C, VS = 5 V, RPULLUP = 5.1k, CL = 15 pF, VCM = 0 V, VUNDERDRIVE = 100 mV, VOVERDRIVE = 100 mV unless otherwise
noted.
2
1.5
1
2
1.5
1
TA = 125°C
63 Channels
TA = 85°C
63 Channels
0.5
0
0.5
0
-0.5
-1
-0.5
-1
-1.5
-2
-1.5
-2
3
6
9
12 15 18 21 24 27 30 33 36
Supply Voltage (V)
3
6
9
12 15 18 21 24 27 30 33 36
Supply Voltage (V)
Figure 6-16. Input Offset Voltage vs. Supply Voltage at 85°C
Figure 6-17. Input Offset Voltage vs. Supply Voltage at 125°C
2
2
VS = 3V
63 Units
VS = 5V
63 Units
1.5
1.5
1
0.5
0
1
0.5
0
-0.5
-1
-0.5
-1
-1.5
-1.5
-2
-2
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 6-18. Input Offset Voltage vs. Temperature at 3V
Figure 6-19. Input Offset Voltage vs. Temperature at 5V
2
2
VS = 12V
63 Units
VS = 36V
63 Units
1.5
1.5
1
0.5
0
1
0.5
0
-0.5
-1
-0.5
-1
-1.5
-1.5
-2
-2
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 6-20. Input Offset Voltage vs. Temperature at 12V
Figure 6-21. Input Offset Voltage vs. Temperature at 36V
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6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1 (continued)
TA = 25°C, VS = 5 V, RPULLUP = 5.1k, CL = 15 pF, VCM = 0 V, VUNDERDRIVE = 100 mV, VOVERDRIVE = 100 mV unless otherwise
noted.
10
1
10
1
VS = 3V
VS = 5V
100m
10m
1m
100m
10m
1m
125°C
85°C
25°C
0°C
125°C
85°C
25°C
0°C
-40°C
-40°C
10m
100m
1m
Output Sinking Current (A)
10m
100m
10m
100m
1m
Output Sinking Current (A)
10m
100m
Figure 6-22. Output Low Voltage vs. Output Sinking Current at
3V
Figure 6-23. Output Low Voltage vs. Output Sinking Current at
5V
10
10
VS = 12V
VS = 36V
1
1
100m
100m
125°C
125°C
10m
1m
10m
1m
85°C
25°C
0°C
85°C
25°C
0°C
-40°C
-40°C
10m
100m
1m
Output Sinking Current (A)
10m
100m
10m
100m
1m
Output Sinking Current (A)
10m
100m
Figure 6-24. Output Low Voltage vs. Output Sinking Current at
12V
Figure 6-25. Output Low Voltage vs.Output Sinking Current at
36V
100
100
50 Output set high
VOUT = VS
20
50 Output set high
VOUT = VS
20
10
5
10
5
2
1
2
1
0.5
0.5
0.2
0.1
0.2
0.1
0.05
0.05
0.02
0.01
0.02
0.01
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
-40 -25 -10
5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 6-26. Output High Leakage Current vs.Temperature at 5V
Figure 6-27. Output High Leakage Current vs. Temperature at
36V
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6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1 (continued)
TA = 25°C, VS = 5 V, RPULLUP = 5.1k, CL = 15 pF, VCM = 0 V, VUNDERDRIVE = 100 mV, VOVERDRIVE = 100 mV unless otherwise
noted.
1000
900
800
700
600
500
400
300
200
100
0
1000
900
800
700
600
500
400
300
200
100
0
125°C
85°C
25°C
-40°C
125°C
85°C
25°C
-40°C
VS = 5V
VS = 5V
VCM = 0V
CL = 15pF
RP = 5.1k
VCM = 0V
CL = 15pF
RP = 5.1k
5 6 78 10
20 30 4050 70 100 200 300 500
Input Overdrive (mV)
1000
5 6 78 10
20 30 4050 70 100 200 300 500
Input Overdrive (mV)
1000
Figure 6-28. High to Low Propagation Delay vs. Input Overdrive Figure 6-29. Low to High Propagation Delay vs. Input Overdrive
Voltage, 5V
Voltage, 5V
1000
900
800
700
600
500
400
300
200
100
0
1000
900
800
700
600
500
400
300
200
100
0
125°C
85°C
25°C
-40°C
125°C
85°C
25°C
-40°C
VS = 12V
VCM = 0V
CL = 15pF
RP = 5.1k
VS = 12V
VCM = 0V
CL = 15pF
RP = 5.1k
5 6 78 10
20 30 4050 70 100 200 300 500
Input Overdrive (mV)
1000
5 6 78 10
20 30 4050 70 100 200 300 500
Input Overdrive (mV)
1000
Figure 6-30. High to Low Propagation Delay vs. Input Overdrive Figure 6-31. Low to High Propagation Delay vs. Input Overdrive
Voltage, 12V
Voltage, 12V
1000
900
800
700
600
500
400
300
200
100
0
1000
900
800
700
600
500
400
300
200
100
0
125°C
85°C
25°C
-40°C
125°C
85°C
25°C
-40°C
VS = 36V
VCM = 0V
CL = 15pF
RP = 5.1k
VS = 36V
VCM = 0V
CL = 15pF
RP = 5.1k
5 6 78 10
20 30 4050 70 100 200 300 500
Input Overdrive (mV)
1000
5 6 78 10
20 30 4050 70 100 200 300 500
Input Overdrive (mV)
1000
Figure 6-32. High to Low Propagation Delay vs. Input Overdrive Figure 6-33. Low to High Propagation Delay vs. Input Overdrive
Voltage, 36V
Voltage, 36V
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6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1 (continued)
TA = 25°C, VS = 5 V, RPULLUP = 5.1k, CL = 15 pF, VCM = 0 V, VUNDERDRIVE = 100 mV, VOVERDRIVE = 100 mV unless otherwise
noted.
6
5
6
5
VREF = VCC/2
VREF = VCC/2
4
4
20mV Overdrive
20mV Overdrive
3
3
100mV
Overdrive
5mV
Overdrive
2
2
5mV Overdrive
100mV
Overdrive
1
1
0
0
-1
-1
-0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time (ms)
1
1.1
-0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time (ms)
1
1.1
Figure 6-34. Response Time for Various Overdrives, High-to-
Low Transition
Figure 6-35. Response Time for Various Overdrives, Low-to-
High Transition
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7 Detailed Description
7.1 Overview
The TL331-Q1 is a single comparator with the ability to operate up to 36 V on the supply pin. This standard
device has proven ubiquity and versatility across a wide range of applications. This is due to its very wide supply
voltages range (2 V to 36 V), low Iq, and fast response.
The open-collector output allows the user to configure the output's logic low voltage (VOL) and can be utilized to
enable the comparator to be used in AND functionality.
The TL331B-Q1 and TL391B-Q1 are performance upgrades to industry standard TL331-Q1 using the latest
semiconductor process technologies that allows for lower offset voltages, lower input bias and supply currents
and faster response times. The TL331B can drop-in replace the "I" or "Q" versions of TL331-Q1. The TL391B-
Q1 is an alternate pinout of the TL331B-Q1 for replacing competitive devices.
7.2 Functional Block Diagram
V
CC
80-mA
Current Regulator
80 mA
10 mA
60 mA
10 mA
COMPONENT COUNT
Epi-FET
1
Diodes
Resistors
Transistors
2
1
IN+
IN−
OUT
20
GND
Current values shown are nominal.
7.3 Feature Description
The TL331-Q1 consists of a PNP Darlington pair input, allowing the device to operate with very high gain and
fast response with minimal input bias current. The input Darlington pair creates a limit on the input common
mode voltage capability, allowing TL331-Q1 to accurately function from ground to VCC – 1.5 V differential input.
The output consists of an open collector NPN (pull-down or low side) transistor. The output NPN will sink current
when the negative input voltage is higher than the positive input voltage and the offset voltage. The VOL is
resistive and will scale with the output current. Please see Figure 6-3 for VOL values with respect to the output
current.
7.4 Device Functional Modes
7.4.1 Voltage Comparison
The TL331-Q1 operates solely as a voltage comparator, comparing the differential voltage between the positive
and negative pins and outputting a logic low or high impedance (logic high with pull-up) based on the input
differential polarity.
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8 Application and Implementation
Note
Information in the following applications sections is not part of the TI component specification, and TI
does not warrant its accuracy or completeness. TI’s customers are responsible for determining
suitability of components for their purposes, as well as validating and testing their design
implementation to confirm system functionality.
8.1 Application Information
TL331-Q1 will typically be used to compare a single signal to a reference or two signals against each other.
Many users take advantage of the open drain output to drive the comparison logic output to a logic voltage level
to an MCU or logic device. The wide supply range and high voltage capability makes TL331-Q1 optimal for level
shifting to a higher or lower voltage.
8.2 Typical Application
5 V
Vref
5 V
+
TL331
Input 0 V to 30 V
Figure 8-1. Typical Application Schematic
8.2.1 Design Requirements
For this design example, use the parameters listed in Table 8-1 as the input parameters.
Table 8-1. Design Parameters
DESIGN PARAMETER
Input Voltage Range
EXAMPLE VALUE
0 V to VCC – 1.5 V
2 V to 36 V
2 V to 36 V
1 µA to 4 mA
100 mV
Supply Voltage
Logic Supply Voltage (RPULLUP Voltage)
Output Current (VLOGIC/RPULLUP
Input Overdrive Voltage
Reference Voltage
)
2.5 V
Load Capacitance (CL)
15 pF
8.2.2 Detailed Design Procedure
When using TL331-Q1 in a general comparator application, determine the following:
•
•
•
•
Input voltage range
Minimum overdrive voltage
Output and drive current
Response time
8.2.2.1 Input Voltage Range
When choosing the input voltage range, the input common mode voltage range (VICR) must be taken in to
account. If temperature operation is above or below 25°C the VICR can range from 0 V to VCC – 1.5 V. This limits
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the input voltage range to as high as VCC – 1.5 V and as low as 0 V. Operation outside of this range can yield
incorrect comparisons.
Below is a list of input voltage situation and their outcomes:
1. When both IN- and IN+ are both within the common mode range:
a. If IN- is higher than IN+ and the offset voltage, the output is low and the output transistor is sinking current
b. If IN- is lower than IN+ and the offset voltage, the output is high impedance and the output transistor is not
conducting
2. When IN- is higher than common mode and IN+ is within common mode, the output is low and the output
transistor is sinking current
3. When IN+ is higher than common mode and IN- is within common mode, the output is high impedance and
the output transistor is not conducting
4. When IN- and IN+ are both higher than common mode, the output is low and the output transistor is sinking
current
8.2.2.2 TL331B-Q1 and TL391B-Q1 ESD Protection
The "B" versions add dedicated ESD protections on all the pins for improved ESD performance as well as
improved negative input voltage handling. Please see Application Note SNOAA35 for more information.
8.2.2.3 Minimum Overdrive Voltage
Overdrive Voltage is the differential voltage produced between the positive and negative inputs of the
comparator over the offset voltage (VIO). In order to make an accurate comparison the Overdrive Voltage (VOD
)
should be higher than the input offset voltage (VIO). Overdrive voltage can also determine the response time of
the comparator, with the response time decreasing with increasing overdrive. Figure 8-2 and Figure 8-3 show
positive and negative response times with respect to overdrive voltage.
8.2.2.4 Output and Drive Current
Output current is determined by the load/pull-up resistance and logic/pull-up voltage. The output current will
produce a output low voltage (VOL) from the comparator. In which VOL is proportional to the output current. Use
Figure 6-3 to determine VOL based on the output current.
The output current can also effect the transient response. More is explained in the next section.
8.2.2.5 Response Time
Response time is a function of input over drive. See Section 8.2.3 for typical response times. The rise and fall
times can be determined by the load capacitance (CL), load/pullup resistance (RPULLUP), and equivalent
collector-emitter resistance (RCE).
•
•
The rise time (τR) is approximately τR ~ RPULLUP × CL
The fall time (τF) is approximately τF ~ RCE × CL
– RCE can be determined by taking the slope of Figure 6-3 in its linear region at the desired temperature, or
by dividing the VOL by Iout
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8.2.3 Application Curves
The following curves were generated with 5 V on VCC and VLogic, RPULLUP = 5.1 kΩ, and 50 pF scope probe.
6
5
6
5
4
4
3
3
5mV OD
2
2
5mV OD
1
1
20mV OD
20mV OD
100mV OD
0
0
100mV OD
2.25
œ1
-0.25
œ1
0.25
0.75
1.25
1.75
œ0.25 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
Time (usec)
Time (usec)
C004
C006
Figure 8-2. Response Time for Various Overdrives Figure 8-3. Response Time for Various Overdrives
(Positive Transition)
(Negative Transition)
9 Power Supply Recommendations
For fast response and comparison applications with noisy or AC inputs, it is recommended to use a bypass
capacitor on the supply pin to reject any variation on the supply voltage. This variation can eat into the
comparator's input common mode range and create an inaccurate comparison.
10 Layout
10.1 Layout Guidelines
For accurate comparator applications without hysteresis it is important maintain a stable power supply with
minimized noise and glitches, which can affect the high level input common mode voltage range. In order to
achieve this, it is best to add a bypass capacitor between the supply voltage and ground. This should be
implemented on the positive power supply and negative supply (if available). If a negative supply is not being
used, do not put a capacitor between the IC's GND pin and system ground.
10.2 Layout Example
Ground
Bypass
Capacitor
0.1 μF
Positive Supply
IN–
1
2
3
5
V
CC
Negative Supply or Ground
GND
IN+
Only needed
for dual power
supplies
OUT
4
0.1 μF
Ground
Figure 10-1. TL331-Q1 Layout Example
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11 Device and Documentation Support
11.1 Documentation Support
11.1.1 Related Documentation
Application Design Guidelines for LM339, LM393, TL331 Family Comparators - SNOAA35
Analog Engineers Circuit Cookbook: Amplifiers (See Comparators section) - SLYY137
Precision Design, Comparator with Hysteresis Reference Design- TIDU020
Window comparator circuit - SBOA221
Reference Design, Window Comparator Reference Design- TIPD178
Comparator with and without hysteresis circuit - SBOA219
Inverting comparator with hysteresis circuit - SNOA997
Non-Inverting Comparator With Hysteresis Circuit - SBOA313
Zero crossing detection using comparator circuit - SNOA999
A Quad of Independently Functioning Comparators - SNOA654
11.2 Receiving Notification of Documentation Updates
To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper
right corner, click on Alert me to register and receive a weekly digest of any product information that has
changed. For change details, review the revision history included in any revised document.
11.3 Support Resources
TI E2E™ support forums are an engineer's go-to source for fast, verified answers and design help — straight
from the experts. Search existing answers or ask your own question to get the quick design help you need.
Linked content is provided "AS IS" by the respective contributors. They do not constitute TI specifications and do
not necessarily reflect TI's views; see TI's Terms of Use.
11.4 Trademarks
TI E2E™ is a trademark of Texas Instruments.
All trademarks are the property of their respective owners.
11.5 Electrostatic Discharge Caution
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled
with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric changes could cause the device not to meet its published
specifications.
11.6 Glossary
TI Glossary
This glossary lists and explains terms, acronyms, and definitions.
12 Mechanical, Packaging, and Orderable Information
The following pages include mechanical, packaging, and orderable information. This information is the most
current data available for the designated devices. This data is subject to change without notice and revision of
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.
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PACKAGE OPTION ADDENDUM
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10-Sep-2021
PACKAGING INFORMATION
Orderable Device
Status Package Type Package Pins Package
Eco Plan
Lead finish/
Ball material
MSL Peak Temp
Op Temp (°C)
Device Marking
Samples
Drawing
Qty
(1)
(2)
(3)
(4/5)
(6)
TL331BQDBVRQ1
TL331IDBVRQ1
TL331QDBVRQ1
TL391BQDBVRQ1
ACTIVE
ACTIVE
ACTIVE
ACTIVE
SOT-23
SOT-23
SOT-23
SOT-23
DBV
DBV
DBV
DBV
5
5
5
5
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
NIPDAU
Level-1-260C-UNLIM
Level-1-260C-UNLIM
Level-1-260C-UNLIM
Level-1-260C-UNLIM
-40 to 125
-40 to 85
31BQ
TQ1U
T1RU
91BQ
NIPDAU
NIPDAU
NIPDAU
-40 to 125
-40 to 125
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based
flame retardants must also meet the <=1000ppm threshold requirement.
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6)
Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two
lines if the finish value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
10-Sep-2021
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
OTHER QUALIFIED VERSIONS OF TL331-Q1, TL331B-Q1, TL391B-Q1 :
Catalog : TL331, TL331B, TL391B
•
Enhanced Product : TL331-EP
•
NOTE: Qualified Version Definitions:
Catalog - TI's standard catalog product
•
Enhanced Product - Supports Defense, Aerospace and Medical Applications
•
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
11-Sep-2021
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
B0
K0
P1
W
Pin1
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant
(mm) W1 (mm)
TL331BQDBVRQ1
TL331IDBVRQ1
TL331QDBVRQ1
TL391BQDBVRQ1
SOT-23
SOT-23
SOT-23
SOT-23
DBV
DBV
DBV
DBV
5
5
5
5
3000
3000
3000
3000
180.0
179.0
179.0
180.0
8.4
8.4
8.4
8.4
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.2
1.4
1.4
1.4
1.4
4.0
4.0
4.0
4.0
8.0
8.0
8.0
8.0
Q3
Q3
Q3
Q3
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
11-Sep-2021
*All dimensions are nominal
Device
Package Type Package Drawing Pins
SPQ
Length (mm) Width (mm) Height (mm)
TL331BQDBVRQ1
TL331IDBVRQ1
TL331QDBVRQ1
TL391BQDBVRQ1
SOT-23
SOT-23
SOT-23
SOT-23
DBV
DBV
DBV
DBV
5
5
5
5
3000
3000
3000
3000
210.0
200.0
200.0
210.0
185.0
183.0
183.0
185.0
35.0
25.0
25.0
35.0
Pack Materials-Page 2
PACKAGE OUTLINE
DBV0005A
SOT-23 - 1.45 mm max height
S
C
A
L
E
4
.
0
0
0
SMALL OUTLINE TRANSISTOR
C
3.0
2.6
0.1 C
1.75
1.45
1.45
0.90
B
A
PIN 1
INDEX AREA
1
2
5
2X 0.95
1.9
3.05
2.75
1.9
4
3
0.5
5X
0.3
0.15
0.00
(1.1)
TYP
0.2
C A B
0.25
GAGE PLANE
0.22
0.08
TYP
8
0
TYP
0.6
0.3
TYP
SEATING PLANE
4214839/F 06/2021
NOTES:
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing
per ASME Y14.5M.
2. This drawing is subject to change without notice.
3. Refernce JEDEC MO-178.
4. Body dimensions do not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not
exceed 0.25 mm per side.
www.ti.com
EXAMPLE BOARD LAYOUT
DBV0005A
SOT-23 - 1.45 mm max height
SMALL OUTLINE TRANSISTOR
PKG
5X (1.1)
1
5
5X (0.6)
SYMM
(1.9)
2
3
2X (0.95)
4
(R0.05) TYP
(2.6)
LAND PATTERN EXAMPLE
EXPOSED METAL SHOWN
SCALE:15X
SOLDER MASK
OPENING
SOLDER MASK
OPENING
METAL UNDER
SOLDER MASK
METAL
EXPOSED METAL
EXPOSED METAL
0.07 MIN
ARROUND
0.07 MAX
ARROUND
NON SOLDER MASK
DEFINED
SOLDER MASK
DEFINED
(PREFERRED)
SOLDER MASK DETAILS
4214839/F 06/2021
NOTES: (continued)
5. Publication IPC-7351 may have alternate designs.
6. Solder mask tolerances between and around signal pads can vary based on board fabrication site.
www.ti.com
EXAMPLE STENCIL DESIGN
DBV0005A
SOT-23 - 1.45 mm max height
SMALL OUTLINE TRANSISTOR
PKG
5X (1.1)
1
5
5X (0.6)
SYMM
(1.9)
2
3
2X(0.95)
4
(R0.05) TYP
(2.6)
SOLDER PASTE EXAMPLE
BASED ON 0.125 mm THICK STENCIL
SCALE:15X
4214839/F 06/2021
NOTES: (continued)
7. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate
design recommendations.
8. Board assembly site may have different recommendations for stencil design.
www.ti.com
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DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS”
AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD
PARTY INTELLECTUAL PROPERTY RIGHTS.
These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate
TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable
standards, and any other safety, security, or other requirements. These resources are subject to change without notice. TI grants you
permission to use these resources only for development of an application that uses the TI products described in the resource. Other
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applicable warranties or warranty disclaimers for TI products.IMPORTANT NOTICE
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2021, Texas Instruments Incorporated
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