MAX9051BEUT+T [MAXIM]
Comparator, 1 Func, 9000uV Offset-Max, 450ns Response Time, CMOS, PDSO6, SOT-23, 6 PIN;
| 型号： | MAX9051BEUT+T |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Comparator, 1 Func, 9000uV Offset-Max, 450ns Response Time, CMOS, PDSO6, SOT-23, 6 PIN 放大器 光电二极管 |
| 文件： | 总15页 (文件大小：291K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
General Description
Features
o Comparator + Precision Reference in UCSP/SOT23
The MAX9038–MAX9043 and MAX9050–MAX9053 fea-
ture combinations of low-power comparators and preci-
sion voltage references. Their operating voltage range
makes them ideal for both 3V and 5V systems. The
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
have a single comparator and reference consuming
only 40µA of supply current. The MAX9042/MAX9043/
MAX9052/MAX9053 have dual comparators and one
reference, and consume only 55µA of supply current.
Low-voltage operation and low supply current make
these devices ideal for battery-operated systems.
o 2.5V to 5.5V Single-Supply Operation
(MAX9038–MAX9043)
o Low Supply Current (MAX9038/MAX9039/MAX9040/
MAX9041/MAX9050/MAX9051)
40µA Quiescent
50µA with 100kHz Switching
Open-Drain Output MAX9038
o 400ns Propagation Delay
o Rail-to-Rail Inputs
o Rail-to-Rail Output Stage Sinks and Sources 8mA
o Internal 3mV Hysteresis
The comparators feature rail-to-rail inputs and outputs,
with a common-mode input voltage range that extends
250mV beyond the supply rails. Input bias current is
typically 1.0pA, and input offset voltage is typically
0.5mV. Internal hysteresis ensures clean output switch-
ing, even with slow-moving input signals. The output
stage features a unique design that limits supply cur-
rent surges while switching, virtually eliminating supply
glitches typical of many other comparators. This design
also minimizes overall power consumption under
dynamic conditions. The comparator outputs have rail-
to-rail, push-pull output stages except the MAX9038
has an open-drain output that sinks and sources up to
8mA. The propagation delay is 400ns, even with the
low-operating supply current.
o Voltage Reference Offers
0.4ꢀ (max) Initial Accuracy (A ꢁrade)
6ppm/°C (typ) Temperature Coefficient (A ꢁrade)
Stable for 0 to 4.7nF Capacitive Loads
Ordering Information
PIN-
TOP
PART
TEMP RANꢁE
PACKAꢁE MARK
MAX9038BABT+T -40°C to +125°C
MAX9039BEBT+T -40°C to +85°C
6 UCSP
6 UCSP
5 SOT23
5 SOT23
6 SOT23
6 SOT23
8 SO
ADW
AAZ
MAX9040AEUK+T -40°C to +85°C
MAX9040BEUK+T -40°C to +85°C
MAX9041AEUT+T -40°C to +85°C
ADNW
ADNX
AAHF
AAHH
—
The reference output voltage is set to 1.23V in the
MAX9038/MAX9039, to 2.048V in the MAX9040–
MAX9043, and to 2.500V in the MAX9050–MAX9053.
The MAX9040–MAX9043 and the MAX9050–MAX9053
are offered in two grades: an A grade with 0.4% initial
accuracy and 6ppm/°C tempco, and a B grade with 1%
initial accuracy (except MAX9038/MAX9039 have an
initial accuracy of 0.4%ꢀ and 100ppm/°C tempco. The
voltage references feature a proprietary curvature-cor-
rection circuit and laser-trimmed thin-film resistors.
These series-mode references can sink or source up to
500µA of load current.
MAX9041BEUT+T
MAX9041AESA
MAX9041BESA
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
8 SO
—
+Denotes a lead(Pbꢀ-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Selector ꢁuide appears at end of data sheet.
Pin Configurations
TOP VIEW (BUMPS ON BOTTOM)
TOP VIEW
Applications
+
B1
A1
V
IN+
EE
OUT
1
2
3
5
4
V
CC
Precision Battery
Management
Level Translators
MAX9038
MAX9039
MAX9040
MAX9050
Digital Line Receivers
V
B2
B3
A2
A3
OUT
IN-
EE
Window Comparators
IR Receivers
IN+
REF
REF
V
CC
Typical Operating Circuit and Functional Diagrams appear
at end of data sheet.
SOT23
UCSP
Pin Configurations continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-1569; Rev 8; 9/13
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ABSOLUTE MAXIMUM RATINꢁS
Supply Voltage (V
to V ꢀ ....................................-0.3V to +6V
6-Pin SOT23 (derate 8.70mW/°C above +70°Cꢀ..........696mW
8-Pin SO (derate 5.88mW/°C above +70°Cꢀ................471mW
8-Pin µMAX® (derate 4.1mW/°C above +70°Cꢀ...........330mW
10-Pin µMAX (derate 5.6mW/°C above +70°Cꢀ...........444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sꢀ .................................+300°C
Bump Reflow Temperature (Note 1ꢀ ................................+235°C
CC
EE
OUT (MAX9038ꢀ .......................................................-0.3V to +6V
All Other Pins ...................................(V - 0.3Vꢀ to (V + 0.3Vꢀ
EE
CC
Current into Input Pins...................................................... 20mA
Output Short-Circuit Duration
(OUT_, REFꢀ ...............Indefinite Short Circuit to Either Supply
Continuous Power Dissipation (T = +70°Cꢀ
A
5-Pin SOT23 (derate 7.10mW/°C above +70°Cꢀ..........571mW
6-Bump UCSP (derate 3.9mW/°C above +70°Cꢀ ........308mW
Note 1: This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device
can be exposed to during board-level solder attach and rework. This limit permits only the use of the solder profiles recom-
mended in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection Packaging
Reflow. Preheating is required. Hand or wave soldering is not allowed.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS—A ꢁrade (0.4ꢀ Initial Accuracy)
(V
= +5V, V
= +25°C.ꢀ (Note 2ꢀ
= 0V, V
= 0V, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical values are at
MAX
CC
EE
CM
OUT
REF
A
MIN
T
A
PARAMETER
SYMBOL
CONDITIONS
MIN
2.5
TYP
MAX
5.5
5.5
67
UNITS
MAX9040–MAX9043
MAX9050–MAX9053
Supply Voltage Range (Note 3ꢀ
Supply Current
V
V
CC
2.7
V
V
V
V
= 2.7V
47
52
55
60
CC
CC
CC
CC
MAX9040/MAX9041/
MAX9050/MAX9051
= 5V
72
I
µA
CC
= 2.7V
= 5V
80
MAX9042/MAX9043/
MAX9052/MAX9053
85
COMPARATORS
Over entire
common-mode
range
T
T
= +25°C
0.5
5.0
7.0
A
Input Offset Voltage (Note 4ꢀ
V
mV
OS
= -40°C to +85°C
A
Input Hysteresis
V
3.0
0.001
0.5
mV
nA
pA
HYST
Input Bias Current
(Notes 5, 6, 7ꢀ
I
Specified common-mode range
Specified common-mode range
10.0
B
Input Offset Current (Note 5ꢀ
I
OS
V
0.25
-
V
0.25
+
CC
EE
T
= +25°C
A
A
Common-Mode Voltage Range
(Notes 5, 8ꢀ
CMVR
V
T
= -40°C to +85°C
V
V
CC
EE
Common-Mode Rejection Ratio
(Note 5ꢀ
CMRR
PSRR
Specified common-mode range
52
80
dB
MAX9040–MAX9043, 2.5V ≤ V
MAX9050–MAX9053, 2.5V ≤ V
≤ 5.5V
≤ 5.5V
55
55
80
80
CC
Power-Supply Rejection Ratio
Input Capacitance (Note 5ꢀ
Output Short-Circuit Current
dB
pF
CC
C
2.5
95
IN
V
V
= 5V
CC
CC
I
V
=V or V
mA
SC
OUT
EE
CC
= 2.7V
35
V
V
= 5V, I
= 8mA
0.2
0.15
0.55
0.4
CC
CC
SINK
Output Voltage Low
V
V
OL
= 2.7V, I
= 3.5mA
SINK
µMAX is a registered trademark of Maxim Integrated Products, Inc.
2
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ELECTRICAL CHARACTERISTICS—A ꢁrade (0.4ꢀ Initial Accuracy) (continued)
(V
= +5V, V
= +25°C.ꢀ (Note 2ꢀ
= 0V, V
= 0V, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical values are at
MAX
CC
EE
CM
OUT
REF
A
MIN
T
A
PARAMETER
SYMBOL
CONDITIONS
= 8mA
MIN
4.45
2.3
TYP
4.85
2.55
40
MAX
UNITS
V
V
= 5V, I
SOURCE
CC
CC
Output Voltage High
V
V
OH
= 2.7V, I
= 3.5mA
SOURCE
C = 15pF
L
Output Rise/Fall Times
t /t
R F
C = 50pF
L
50
ns
C = 200pF
L
80
50mV overdrive
100mV overdrive
450
400
20
Output Propagation Delay
(Note 9ꢀ
t
t
C = 15pF,
L
PD+/
ns
µs
V
= 2.7V
CC
PD-
Power-Up Time
t
Time to V
valid logic state
OUT
PU
VOLTAꢁE REFERENCE
MAX9040–MAX9043
2.040
2.490
2.048
2.500
6
2.056
2.510
30
Output Voltage
V
T
= +25°C
A
V
REF
MAX9050–MAX9053
µMAX/SO
SOT23
Output Voltage Temperature
Coefficient (Note 10ꢀ
TCV
ppm/°C
µV/V
REF
6
50
2.5V ≤ V
2.7V ≤ V
≤ 5.5V, MAX9040–MAX9043
≤ 5.5V, MAX9050–MAX9053
+50
+50
2
+200
+200
4
CC
CC
ΔV
ΔV
/
/
REF
Line Regulation
Load Regulation
CC
Sourcing. 0µA ≤ I
≤ 500µA
REF
ΔV
ΔI
REF
REF
µV/µA
Sinking, -500µA ≤ I
≤ 0µA
3.5
4
6
REF
CC
Output Short-Circuit Current
Thermal Hysteresis (Note 11ꢀ
Long-Term Stability
I
V
= V or V
mA
ppm
ppm
SC
REF
EE
T
130
50
HYST
1000h at T = +25°C
A
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
40
µV
P-P
Noise Voltage
E
OUT
105
µV
RMS
ΔV
ΔV
/
REF
Ripple Rejection
V
= 5V 100mV, f = 120Hz
84
dB
µs
nF
CC
CC
Turn-On Settling Time
t (V
R
ꢀ
To V = 1% of final value
REF
200
REF
Capacitive-Load Stability Range
(Note 7ꢀ
C (V
L
ꢀ
0
4.7
REF
ELECTRICAL CHARACTERISTICS—B ꢁrade (1ꢀ Initial Accuracy) (Note 12)
(V
= 5V, V = 0V, V
= 0V, V = 1.8V, R = 10kΩ, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical
MAX
CC
EE
CM
PU
PU
OUT
REF
A
MIN
values are at T = +25°C.ꢀ (Note 2ꢀ
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
5.5
UNITS
MAX9038–MAX9043
MAX9050–MAX5053
2.5
2.7
Supply Voltage Range (Note 3ꢀ
V
V
CC
5.5
MAX9038/MAX9039/
MAX9040/MAX9041/
MAX9050/MAX9051
V
V
= 2.7V
= 5.0V
40
45
CC
CC
100
130
Supply Current
Maxim Integrated
I
µA
CC
V
V
= 2.7V
= 5.0V
55
60
CC
CC
MAX9042/MAX9043/
MAX9052/MAX5053
3
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ELECTRICAL CHARACTERISTICS—B ꢁrade (1ꢀ Initial Accuracy) (Note 12) (continued)
(V
= 5V, V = 0V, V
= 0V, V = 1.8V, R = 10kΩ, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical
MAX
CC
EE
CM
PU
PU
OUT
REF
A
MIN
values are at T = +25°C.ꢀ (Note 2ꢀ
A
PARAMETER
COMPARATOR
SYMBOL
CONDITIONS
MIN
TYP
MAX
9.0
UNITS
Input Offset Voltage (Note 4ꢀ
Input Hysteresis
V
Over entire common-mode range
1
3.0
mV
mV
nA
OS
V
HYST
Input Bias Current (Notes 5, 6, 7ꢀ
Input Offset Current (Note 5ꢀ
I
B
Specified common-mode range
Specified common-mode range
0.001
0.5
25.0
I
pA
OS
Common-Mode Voltage Range
(Notes 5, 8ꢀ
CMVR
CMRR
PSRR
V
V
V
EE
CC
Common-Mode Rejection Ratio
(Note 5ꢀ
Specified common-mode range
52
80
dB
MAX9038–MAX9043, 2.5V ≤ V
MAX9050–MAX9053, 2.7V ≤ V
≤ 5.5V
55
55
80
80
CC
Power-Supply Rejection Ratio
Input Capacitance (Note 5ꢀ
Output Short-Circuit Current
dB
pF
≤ 5.5V
CC
C
2.5
95
IN
V
V
= 5V
CC
CC
I
V
= V or V
mA
SC
OUT
EE
CC
= 2.7V
35
V
V
V
V
= 5V, I
= 8mA
0.2
0.15
4.85
2.55
0.55
0.5
CC
CC
CC
CC
SINK
Output Voltage Low
V
V
OL
= 2.7V, I
= 3.5mA
SINK
= 5V, I
= 8mA
4.45
SOURCE
Output Voltage High (Except
MAX9038ꢀ
V
V
OH
= 2.7V, I
= 3.5mA
SOURCE
Output Leakage
MAX9038
C = 15pF
µA
40
50
80
L
Output Rise/Fall Times
t /t
R F
C = 50pF
ns
L
C = 200pF
L
R
R
R
= 10kΩ, C = 15pF, MAX9038
400
PU
PU
PU
L
Output Rise Time
t
= 10kΩ, C = 50pF, MAX9038
1180
ns
ns
R
L
= 10kΩ, C = 200pF, MAX9038
5580
450
400
500
L
50mV overdrive
100mV overdrive
Output Propagation Delay
(Note 9ꢀ
C = 15pF,
L
t
/t
PD+ PD-
V
= 2.7V
CC
R
PU
R
PU
R
PU
= 10kΩ, C = 15pF, MAX9038
L
Output Rising Propagation
Delay (Note 9ꢀ
t
= 10kΩ, C = 50pF, MAX9038
1540
ns
µs
PD+
L
= 10kΩ, C = 200pF, MAX9038
3350
20
L
Power-Up Time
t
Time to V
valid logic state
OUT
PU
VOLTAꢁE REFERENCE
MAX9038/MAX9039 (Note 12ꢀ 1.225
1.230
2.048
2.500
1.235
2.068
2.525
Output Voltage
V
T
A
= +25°C
V
MAX9040–MAX9043
MAX9050–MAX9053
2.028
2.475
REF
Output Voltage Temperature
Coefficient (Note 10ꢀ
TCV
20
100
ppm/°C
REF
4
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ELECTRICAL CHARACTERISTICS—B ꢁrade (1ꢀ Initial Accuracy) (Note 12) (continued)
(V
= 5V, V = 0V, V
= 0V, V = 1.8V, R = 10kΩ, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical
MAX
CC
EE
CM
PU
PU
OUT
REF
A
MIN
values are at T = +25°C.ꢀ (Note 2ꢀ
A
UNIT
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
+50
+50
2
MAX
+200
+200
4
MAX9038–MAX9043
MAX9050–MAX9053
ΔV
/
REF
Line Regulation
2.5V ≤ V
≤ 5.5V
µV/V
CC
ΔV
CC
Sourcing: 0µA ≤ I
≤ 500µA
REF
ΔV
ΔI
/
REF
Load Regulation
µV/µA
REF
Sinking: -500µA ≤ I
≤ 0µA
3.5
4
6
REF
CC
Output Short-Circuit Current
Thermal Hysteresis (Note 11ꢀ
Long-Term Stability
I
V
= V or V
mA
ppm
ppm
SC
REF
EE
T
130
100
HYST
1000h at T = +25°C
A
ΔV
ΔV
/
REF
Ripple Rejection
V
= 5V 100mV, f = 120Hz
84
dB
µs
nF
CC
CC
Turn-On Settling Time
t (V
R
ꢀ
To V = 1% of final value
REF
200
REF
Capacitive Load Stability
Range (Note 7ꢀ
C (V
L
ꢀ
0
4.7
REF
Note 2: All devices are 100% production tested at T = +25°C. Limits over the extended temperature range are guaranteed by
A
design.
Note 3: Supply voltage range guaranteed by PSRR test on comparator and line regulation of REF.
Note 4:
V
is defined as the center of the input-referred hysteresis band.
OS
Note 5: For the comparators with the inverting input (IN-ꢀ uncommitted.
Note 6: Input bias current is the average of the inverting and noninverting input bias currents.
Note 7: Not production tested. Guaranteed by design.
Note 8: Guaranteed by CMRR test.
Note 9:
V
is beyond the offset and hysteresis determined trip point.
OVERDRIVE
Note 10: Temperature coefficient is measured by the box method; i.e., the maximum ΔV
is divided by the maximum ΔT.
REF
Note 11: Thermal hysteresis is defined as the change in V
at +25°C before and after cycling the device from T
to T
.
REF
MIN
MAX
Note 12: MAX9038/MAX9039 has an initial accuracy of 0.4%.
Typical Operating Characteristics
(V
= 5V, V = 0V, V
= 0V, V = 1.8V, R = 10kΩ, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.ꢀ
CC
EE
CM
PU
PU
OUT
REF A
MAX9042/MAX9043/MAX9052/MAX9053
SUPPLY CURRENT vs. TEMPERATURE
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
SUPPLY CURRENT vs. SWITCHING FREQUENCY
200
SUPPLY CURRENT vs. TEMPERATURE
60
60
V
> V
IN-
V
IN+
> V
IN-
IN+
V
CC
= 5.0V
V
V
= 5.0V
= 2.7V
CC
CC
50
40
30
20
10
0
50
40
30
20
10
0
150
100
V
CC
= 2.7V
V
V
= 5.0V
= 2.7V
CC
CC
50
0
-40 -20
0
20
40
60
80
0.01
0.1
1
10
100
1000
-40 -20
0
20
40
60
80
TEMPERATURE (°C)
SWITCHING FREQUENCY (kHz)
TEMPERATURE (°C)
Maxim Integrated
5
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V = 1.8V, R = 10kΩ, V
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.ꢀ
CC
EE
PU
PU
CM
OUT
REF A
MAX9038
SUPPLY CURRENT
vs. SWITCHING FREQUENCY
MAX9042/MAX9043/MAX9052/MAX9053
SUPPLY CURRENT vs. SWITCHING FREQUENCY
OUTPUT LOW VOLTAGE
vs. OUTPUT SINK CURRENT
80
70
60
50
40
30
20
10
0
250
10,000
1000
100
V
< V
IN-
IN+
200
150
100
V
= 2.7V
CC
V
= 5V
CC
V
CC
= 5.0V
10
V
= 2.7V
CC
V
= 5.0V
= 2.7V
CC
50
0
1
V
CC
0.1
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
1
100
10k
1M
SWITCHING FREQUENCY (kHz)
OUTPUT SINK CURRENT (mA)
FREQUENCY (Hz)
MAX9038
OUTPUT LOW VOLTAGE
OUTPUT HIGH VOLTAGE
vs. OUTPUT SINK CURRENT
vs. OUTPUT SOURCE CURRENT
10,000
1000
100
300
V
IN+
> V
IN-
250
200
V
CC
= 2.7V
V
= 5.0V
150
CC
10
100
50
1
0.1
0
0.01
0.1
1
10
0
5
10
15
20
OUTPUT SOURCE CURRENT (mA)
OUTPUT SINK CURRENT (mA)
OUTPUT SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
OUTPUT SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
120
100
80
60
40
20
0
100
80
60
40
20
0
V
IN+
> V
IN-
V
IN-
> V
IN+
OUT SHORTED TO V
OUT SHORTED TO V
EE
CC
V
= 5.0V
V
CC
= 5.0V
CC
V
CC
= 2.7V
V
CC
= 2.7V
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
TEMPERATURE (°C)
6
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V = 1.8V, R = 10kΩ, V
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.ꢀ
CC
EE
PU
PU
CM
OUT
REF A
MAX9038
OUTPUT SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
PROPAGATION DELAY
vs. CAPACITIVE LOAD (V = 2.7V)
PROPAGATION DELAY
vs. CAPACITIVE LOAD (V = 5V)
CC
CC
= 50%
160
600
550
500
450
400
350
650
600
550
500
450
400
350
300
t
TO V
OUT
V
= 50mV
V
= 50mV
PD+
OD
OD
OF FINAL VALUE
140
t
TO V
= 50%
PD+
OUT
120
100
80
t
PD+
TO V = 10%
OUT
OF FINAL VALUE
V
= 5V
CC
OF FINAL VALUE
t
TO V
= 50%
OUT
PD-
OF FINAL VALUE
t
TO V
= 50%
PD-
OUT
60
40
20
0
OF FINAL VALUE
t
TO V
= 10%
PD+
OUT
V
= 2.7V
CC
t
TO V
= 10%
PD-
OUT
OF FINAL VALUE
OF FINAL VALUE
t
TO V
= 10%
PD-
OUT
OF FINAL VALUE
0
100 200 300 400 500 600 700 800 900 1000
CAPACITIVE LOAD (pF)
0
100 200 300 400 500 600 700 800 900 1000
CAPACITIVE LOAD (pF)
50
TEMPERATURE (°C)
PROPAGATION DELAY
vs. TEMPERATURE
100
0
150
PROPAGATION DELAY
vs. INPUT OVERDRIVE
650
600
900
800
700
600
500
400
300
200
V
= 50mV
OD
t
TO V
OF FINAL VALUE
= 50%
PD+
OUT
550
500
450
400
350
300
t , V = 5.0V
PD+ CC
t
TO V
= 10%
PD+
OUT
OF FINAL VALUE
t
TO V
= 50%
PD-
OUT
t , V = 2.7V
PD+ CC
OF FINAL VALUE
t , V = 5.0V
PD- CC
t , V = 2.7V
PD- CC
t
TO V
= 10%
PD-
OUT
OF FINAL VALUE
-40
-20
0
20
40
80
60
0
20 40 60 80 100 120 140 160 180 200
INPUT OVERDRIVE (mV)
TEMPERATURE (°C)
PROPAGATION DELAY (t
)
PROPAGATION DELAY (t
)
PD+
PD-
A
B
A
B
100ns/div
100ns/div
A = IN+, 50mV/div
B = OUT, 2V/div
A = IN+, 50mV/div
B = OUT, 2V/div
Maxim Integrated
7
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V = 1.8V, R = 10kΩ, V
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.ꢀ
CC
EE
PU
PU
CM
OUT
REF A
SWITCHING CURRENT (OUT RISING EDGE)
SWITCHING CURRENT (OUT FALLING EDGE)
POWER-UP DELAY (OUT)
A
A
B
A
B
B
C
C
100ns/div
100ns/div
5μs/div
A = IN+, 100mV/div
B = OUT, 5V/div
A = IN+, 100mV/div
B = OUT, 5V/div
A = V , 2V/div
CC
B = OUT, 1V/div
C = I , 1mA/div
C = I , 1mA/div
CC
CC
INPUT BIAS CURRENT
vs. INPUT VOLTAGE
POWER-UP DELAY (REF)
0.003
V
IN-
= 2.0V
A
B
C
I
B+
0.002
0.001
0
I
B-
100μs/div
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
(V)
A = V , 2V/div
CC
B = REF, 1V/div
V
IN+
C = REF, 50mV/div, 2.048V OFFSET
MAX9039
REFERENCE OUTPUT VOLTAGE
TEMPERATURE DRIFT
MAX904_/MAX905_
REFERENCE OUTPUT VOLTAGE
TEMPERATURE DRIFT
1.00
0.75
0.50
0.25
0
1
0
THREE TYPICAL PARTS
NORMALIZED TO +25°C
THREE TYPICAL PARTS
NORMALIZED TO +25°C
-1
-2
-3
-0.25
-0.50
-0.75
-1.00
20
40
-40
-20
0
20
40
60
80
-40
-20
0
60
80
TEMPERATURE (°C)
TEMPERATURE (°C)
8
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V = 1.8V, R = 10kΩ, V
= 0V, I
= 0A, I = 0A, T = +25°C, unless otherwise noted.ꢀ
REF A
CC
EE
PU
PU
CM
OUT
LINE REGULATION
LOAD REGULATION
150
2000
T
A
= +85°C
100
50
1500
1000
500
T
A
= +25°C
0
T
A
= -40°C
T
T
= +25°C
A
-50
-100
-150
-200
0
= -40°C
A
-500
-1000
-1500
T
A
= +85°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-500
-300
-100
100
300
500
INPUT VOLTAGE (V)
LOAD CURRENT (μA)
Pin Description
PIN
MAX9038 MAX9040
MAX9039 MAX9050
MAX9043
MAX9053
MAX9041
MAX9051
MAX9042
MAX9052
NAME
FUNCTION
UCSP
A2
A1
B1
B3
A3
B2
—
SOT23
1
SOT23
SO
6
SO/µMAX
µMAX
1
2
—
4
—
5
OUT
Comparator Output
2
4
V
EE
Negative Supply Voltage
3
3
3
—
2
—
2
IN+
Comparator Noninverting Input
Reference Voltage Output
Positive Supply Voltage
4
5
1
REF
5
6
7
8
10
—
9
V
CC
—
—
—
—
—
—
—
—
4
2
—
—
1
IN-
Comparator Inverting Input
No Connection. Not internally connected.
Comparator A Output
—
—
—
—
—
—
—
5, 8
—
—
—
—
—
—
N.C.
—
1
OUTA
INA+
INB+
INB-
—
3
4
Comparator A Noninverting Input
Comparator B Noninverting Input
Comparator B Inverting Input
Comparator B Output
—
5
6
—
6
7
—
7
8
OUTB
INA-
—
—
3
Comparator A Inverting Input
Maxim Integrated
9
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
forward biased and begin to conduct. Consequently,
bias currents increase exponentially as the input volt-
age exceeds the supply rails.
Detailed Description
The MAX9038–MAX9043 and MAX9050–MAX9053 feature
single/dual, low-power, low-voltage comparators and a
precision voltage reference. They operate from a single
2.5V to 5.5V (MAX903_/MAX904_ꢀ or 2.7V to 5.5V
(MAX905_ꢀ supply. The single compa rators with refer-
ence, (MAX9038/MAX9039/MAX9040/MAX9041/MAX9050/
MAX9051 consume only 40µA of supply current, while
the dual comparators with reference (MAX9042/
MAX9043/MAX9052/MAX9053ꢀ consume only 55µA of
supply current. Their common-mode input range
extends 0.25V beyond each rail. Internal hysteresis
ensures clean output switching, even with slow-moving
input signals.
Comparator Output Stage Circuitry
The comparators in these devices contain a unique
output stage capable of rail-to-rail operation with loads
up to 8mA. Many comparators consume orders-of-mag-
nitude more current during switching than during
steady-state operation. However, with this family of com-
parators, the supply current change during an output
transition is extremely small. The Typical Operating
Characteristics graph Supply Current vs. Switching
Frequency shows the minimal supply current increase
as the output switching frequency approaches 1MHz.
This characteristic reduces the need for power-supply
filter capacitors to reduce glitches created by compara-
tor switching currents. Another advantage realized in
high-speed, battery-powered applications is a substan-
tial increase in battery life. The MAX9038 is an open-
drain output comparator that can be used in logic-level
translation or many other applications where voltage
level translation is important.
The output stage employs a unique design that minimizes
supply current surges while switching, virtually eliminating
the supply glitches typical of many other comparators.
Large internal output drivers allow rail-to-rail output swing
that can sink and source up to 8mA of current.
The precision reference uses a proprietary curvature-
correction circuit and laser-trimmed thin-film resistors,
resulting in a temperature coefficient of less than
30ppm/°C over the extended temperature range and initial
accuracy of 0.4% (A gradeꢀ. The reference output voltage
is set to 1.23V in the MAX9038/MAX9039, 2.048V in the
MAX9040–MAX9043, and to 2.500V in the
MAX9050–MAX9053.
Applications Information
Additional Hysteresis
These comparators have 3mV internal hysteresis.
Additional hysteresis can be generated with two resis-
tors using positive feedback (Figure 1ꢀ. Use the follow-
ing procedure to calculate resistor values:
Comparator Input Stage Circuitry
The devices’ input common-mode range extends from
1ꢀ Calculate the trip points of the comparator using
these formulas:
(V - 0.25Vꢀ to (V
EE
+ 0.25Vꢀ. These comparators may
CC
operate at any differential input voltage within these lim-
its. Input bias current is typically 1.0pA if the input volt-
age is between the supply rails. Comparator inputs are
protected from overvoltage by internal body diodes
connected to the supply rails. As the input voltage
exceeds the supply rails, these body diodes become
⎛
⎜
⎞
⎟
V
− V
R2
CC
REF
(
)
V
= V
+
TH
REF
⎜
⎜
⎟
⎟
R1+ R2
⎝
⎠
⎛
⎞
R2
V
= V
1−
TL
REF ⎜
⎟
V
CC
R1+ R2
⎝
⎠
R1
V
is the threshold voltage at which the comparator
TH
V
CC
switches its output from high to low as V rises
R2
IN
IN+
IN-
V
REF
above the trip point. V is the threshold voltage at
TL
which the comparator switches its output from low to
OUT
high as V drops below the trip point.
IN
V
IN
2ꢀ The hysteresis band will be:
MAX9038–MAX9043
MAX9050–MAX9053
3ꢀ In this example, let V
= 5V and V
= 2.5V:
CC
= V − V = V
CC
REF
V
EE
⎛
⎞
⎟
R2
V
HYS
TH
TL
⎜
R1 + R2
⎝
⎠
Figure 1. Additional Hysteresis
10
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Board Layout and Bypassing
V
CC
Power-supply bypass capacitors are not typically need-
ed, but would be called for in cases where supply
impedance is high, supply leads are long, or excessive
noise is expected on the supply lines. Use 100nF
bypass capacitors under these conditions. Minimize
signal trace lengths to reduce stray capacitance.
V
CC
IN+
IN-
V
IN
OUT
10kΩ
MAX9038–MAX9043
MAX9050–MAX9053
Reference Output/Load Capacitance
The MAX9038/MAX9039/MAX904_/MAX905_ do not
require an output capacitor on REF for frequency stabil-
ity. They are stable for capacitive loads up to 4.7nF.
However, in applications where the load or the supply
can experience step changes, an output capacitor will
reduce the amount of overshoot (or undershootꢀ and
assist the circuit’s transient response. When an appli-
cation is not subject to transient conditions, the REF
capacitor can be omitted.
0.1μF
V
EE
Figure 2. Time Averaging of the Input Signal for Data Recovery
⎛
⎞
R2
V
= 2.5 + 2.5
TH
⎜
⎟
R1+ R2
⎝
⎠
Biasing for Data Recovery
Digital data is often embedded into a bandwidth- and
amplitude-limited analog path. Recovering the data can
be difficult. Figure 2 compares the input signal to a
time-averaged version of itself. This self-biases the
threshold to the average input voltage for optimal noise
margin.
and
⎛
⎞
R2
R1+ R2
V
= 2.5 1−
TL
⎜
⎟
⎝
⎠
4ꢀ Select R2. In this example, we will choose 1kΩ.
5ꢀ Select V . In this example, we will choose 50mV.
Even severe phase distortion is eliminated from the dig-
ital output signal. Be sure to choose R1 and C1 so that:
HYS
6ꢀ Solve for R1:
1
f
>>
CAR
⎛
⎞
R2
R1 + R2
2πR1C1
V
= V
CC
HYS
⎜
⎟
⎝
⎠
where f
is the fundamental carrier frequency of the
CAR
digital data stream.
⎛
⎞
1000
R1+1000
0.050 = 5
⎜
⎟
⎝
⎠
where R1 ≈ 100kΩ, V = 2.525V, and V = 2.475V.
TH
TL
Maxim Integrated
11
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Functional Diagrams
OUTA
REF
1
2
8
7
V
MAX9042
MAX9052
CC
V
2
OUT
1
EE
OUTB
INB-
5
V
CC
6
5
REF
3
4
INA+
REF
4
3
IN+
REF
V
EE
INB+
MAX9040
MAX9050
1
2
OUTA
REF
10
8
V
4 (A1)
6 (A2) OUT
EE
V
CC
MAX9043
MAX9053
REF
OUTB
INB-
REF 1 (B3)
7 (A3)
V
CC
3
4
INA-
INA+
7
6
REF
IN- 2 (B2)
3 (B1) IN+
5
V
EE
MAX9038
INB+
MAX9039
MAX9041
MAX9051
( ) MAX9038/MAX9039 UCSP BUMPS.
Selector Guide
COMPARATORS
PER PACKAꢁE
V
REF
(V)
PART
IN- CONNECTIONS
MAX9038
MAX9039
MAX9040
MAX9041
MAX9050
MAX9051
MAX9042
MAX9043
MAX9052
MAX9053
1
1
1
1
1
1
2
2
2
2
1.230
1.230
2.048
2.048
2.500
2.500
2.048
2.048
2.500
2.500
Uncommitted
Uncommitted
REF
Uncommitted
REF
Uncommitted
REF/Uncommitted
Uncommitted/Uncommitted
REF/Uncommitted
Uncommitted/Uncommitted
12
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Pin Configurations (continued)
TOP VIEW
+
OUT
1
2
3
6
5
4
V
CC
V
CC
V
CC
OUTA
REF
1
2
3
4
5
10
9
REF
IN-
1
2
3
4
8
7
6
5
N.C.
OUTA
REF
1
2
3
4
8
7
6
5
N.C.
MAX9041
MAX9051
V
MAX9041
MAX9051
OUTB
INB-
MAX9042
MAX9052
MAX9043
MAX9053
CC
V
EE
REF
IN-
INA-
INA+
8
OUTB
INB-
INB+
IN+
OUT
N.C.
INA+
7
V
EE
V
EE
INB+
IN+
V
6
EE
μMAX
SO
μMAX/SO
SOT23
Ordering Information (continued)
Typical Operating Circuit
PIN-
TOP
PART
TEMP RANꢁE
PACKAꢁE MARK
V
CC
V
IN
MAX9042AEUA
MAX9042BEUA
MAX9042AESA
MAX9042BESA
MAX9043AEUB
MAX9043BEUB
MAX9050AEUK+
MAX9050BEUK+
MAX9051AEUT+
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
8 µMAX
8 µMAX
8 SO
—
—
V
*
PU
V
CC
0.1μF
R
*
PU
—
IN+
8 SO
—
OUT
10 µMAX
10 µMAX
5 SOT23
5 SOT23
6 SOT23
6 SOT23
8 SO
—
IN-
—
ADNW
ADNY
AAHG
AAHI
—
MAX9038/MAX9039
MAX9041/MAX9043
MAX9051/MAX9053
REF
1.23V/2.048V/
2.500V
MAX9051BEUT+T -40°C to +85°C
MAX9051AESA
MAX9051BESA
MAX9052AEUA
MAX9052BEUA
MAX9052AESA
MAX9052BESA
MAX9053AEUB
MAX9053BEUB
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
V
EE
8 SO
—
8 µMAX
8 µMAX
8 SO
AAHG
AAHI
—
*MAX9038 ONLY
8 SO
—
Chip Information
10 µMAX
10 µMAX
—
PROCESS: CMOS
—
+Denotes a lead(Pbꢀ-free/RoHS-compliant package.
Maxim Integrated
13
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Package Information (continued)
For the latest package outline information and land patterns (footprintsꢀ, go to www.maximintegrated.com/packages. Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the
package regardless of RoHS status.
LAND
PATTERN NO.
PACKAꢁE TYPE
PACKAꢁE CODE
OUTLINE NO.
—
6 UCSP
5 SOT23
6 SOT23
8 SO
B6-3
U5-2
21-0097
21-0057
21-0058
21-0041
21-0036
21-0061
90-0174
90-0175
90-0096
90-0092
90-0330
U6-2
S8-10F
U8-1
8 µMAX
10 µMAX
U10-2
14
Maxim Integrated
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Revision History
REVISION REVISION
PAꢁES
CHANꢁED
DESCRIPTION
NUMBER
DATE
0
1
2
3
4
5
10/99
1/00
Initial release
—
—
—
—
—
—
Corrections to initial release
Adding new part
4/00
4/00
Increase in Max Supply Current specifications
10/02
10/07
Adding UCSP package for MAX9039
Adding input current ratings in Absolute Maximum Ratings, style changes
Update Chip Information, Package Information, correct MAX9053 part number,
style changes
6
3/09
1, 2, 10, 12–19
Updated the General Description, Electrical Characteristics, and the Package
Information
7
8
3/13
9/13
1, 3-5, 13
1–15
Added the MAX9038 and lead-free information to the data sheet.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent
licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and
max limitsꢀ shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 ________________________________ 15
© 2013 Maxim Integrated Products, Inc.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
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