MAX9043 [MAXIM]
Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs; 微功耗，单电源， UCSP / SOT23封装比较器+精密电压基准IC
| 型号： | MAX9043 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Micropower, Single-Supply, UCSP/SOT23 Comparator + Precision Reference ICs |
| 文件： | 总15页 (文件大小：410K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-1569; Rev 4; 10/02
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
General Description
Features
ꢀ Comparator + Precision Reference in UCSP/SOT23
The MAX9039–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.
ꢀ 2.5V to 5.5V Single-Supply Operation
(MAX9039–MAX9043)
ꢀ Low Supply Current (MAX9039/MAX9040/
MAX9041/MAX9050/MAX9051)
40µA Quiescent
50µA with 100kHz Switching
ꢀ 400ns Propagation Delay
ꢀ Rail-to-Rail Inputs
ꢀ Rail-to-Rail Output Stage Sinks and Sources 8mA
ꢀ Internal 3mV Hysteresis
®
The comparators feature Rail-to-Rail inputs and out-
puts, with a common-mode input voltage range that
extends 250mV beyond the supply rails. Input bias cur-
rent is typically 1.0pA, and input offset voltage is typi-
cally 0.5mV. Internal hysteresis ensures clean output
switching, even with slow-moving input signals. The
output stage features a unique design that limits supply
current surges while switching, virtually eliminating sup-
ply 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 that sink and
source up to 8mA. The propagation delay is 400ns,
even with the low-operating supply current.
ꢀ Voltage Reference Offers:
0.4% (max) Initial Accuracy (A grade)
6ppm/°C (typ) Temperature Coefficient (A grade)
Stable for 0 to 4.7nF Capacitive Loads
Ordering Information
PIN-
PACKAGE
TOP
MARK
PART
TEMP RANGE
MAX9039BEBT-T* -40°C to +85°C
MAX9040AEUK-T -40°C to +85°C
MAX9040BEUK-T -40°C to +85°C
MAX9041AEUT-T -40°C to +85°C
MAX9041BEUT-T -40°C to +85°C
6 UCSP-6
5 SOT23-5
5 SOT23-5
6 SOT23-6
6 SOT23-6
8 SO
AAZ
ADNW
ADNX
AAHF
AAHH
—
The reference output voltage is set to 1.23V in the
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 accura-
cy and 100ppm/°C tempco. The voltage references
feature a proprietary curvature-correction circuit and
laser-trimmed thin-film resistors. These series-mode ref-
erences can sink or source up to 500µA of load current.
MAX9041AESA
MAX9041BESA
-40°C to +85°C
-40°C to +85°C
8 SO
—
*UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. Refer to the
UCSP Reliability section of this data sheet for more information.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
Pin Configurations
Applications
TOP VIEW (BUMPS ON BOTTOM)
TOP VIEW
Precision Battery
Management
Level Translators
B1
A1
V
IN+
EE
OUT
1
2
3
5
4
V
CC
Digital Line Receivers
Window Comparators
IR Receivers
MAX9039
MAX9040
MAX9050
V
B2
B3
A2
A3
OUT
IN-
EE
Typical Operating Circuit and Functional Diagrams appear
at end of data sheet.
IN+
REF
REF
V
CC
SOT23-5
UCSP
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
to V ) ....................................-0.3V to +6V
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin µMAX (derate 4.1mW/°C above +70°C).............330mW
10-Pin µMAX (derate 5.6mW/°C above +70°C)...........444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Bump Reflow Temperature (Note 1) ................................+235°C
CC
EE
All Other Pins ...................................(V - 0.3V) to (V
+ 0.3V)
EE
CC
Output Short-Circuit Duration
(OUT_, REF) ...............Indefinite Short Circuit to Either Supply
Continuous Power Dissipation (T = +70°C)
A
5-Pin SOT23 (derate 7.10mW/°C above +70°C)..........571mW
6-Bump UCSP (derate 3.9mW/°C above +70°C) ........308mW
6-Pin SOT23 (derate 8.70mW/°C above +70°C)..........696mW
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 Grade (0.4% Initial Accuracy)
(V
= +5V, V
= +25°C.) (Note 2)
= 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 3)
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
A
Input Offset Voltage (Note 4)
V
mV
OS
= -40°C to +85°C
Input Hysteresis
V
3.0
0.001
0.5
mV
nA
pA
HYST
Input Bias Current
(Notes 5, 6, 7)
I
B
Specified common-mode range
Specified common-mode range
10.0
Input Offset Current (Note 5)
I
OS
V
0.25
-
V
0.25
+
CC
EE
T
= +25°C
A
A
Common-Mode Voltage Range
(Notes 5, 8)
CMVR
V
T
= -40°C to +85°C
V
V
CC
EE
Common-Mode Rejection Ratio
(Note 5)
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 5)
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
2
_______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ELECTRICAL CHARACTERISTICS—A Grade (0.4% Initial Accuracy) (continued)
(V
= +5V, V
= +25°C.) (Note 2)
= 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 9)
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
VOLTAGE REFERENCE
MAX9040–MAX9043
2.040
2.490
2.048
2.500
6
2.056
2.510
30
Output Voltage
V
T
= +25°C
V
REF
A
MAX9050–MAX9053
µMAX/SO
SOT23
Output Voltage Temperature
Coefficient (Note 10)
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
∆V
∆V
/
/
REF
Line Regulation
Load Regulation
CC
Sourcing. 0µA ≤ I
≤ 500µA
REF
∆V
∆I
REF
REF
µV/µA
Sinking, -500µA ≤ I
≤ 0µA
3.5
4
6
REF
CC
Output Short-Circuit Current
Thermal Hysteresis (Note 11)
Long-Term Stability
I
V
= V or V
mA
ppm
ppm
SC
REF
EE
T
HYST
130
50
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
∆V
∆V
/
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 7)
C (V
L
)
0
4.7
REF
ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy)
(V
= 5V, V = 0V, V
= 0V, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical values are at T = +25°C.)
MAX A
CC
EE
CM
OUT
REF
A
MIN
(Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
2.5
TYP
MAX
5.5
UNITS
MAX9039–MAX9043
MAX9050–MAX5053
Supply Voltage Range (Note 3)
Supply Current
V
V
CC
2.7
5.5
MAX9039/MAX9040/
MAX9041/MAX9050/
MAX9051
V
V
= 2.7V
= 5.0V
40
45
CC
CC
100
130
I
µA
CC
V
V
= 2.7V
= 5.0V
55
60
CC
CC
MAX9042/MAX9043/
MAX9052/MAX5053
_______________________________________________________________________________________
3
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (continued)
(V
= 5V, V = 0V, V
= 0V, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical values are at T = +25°C.)
MAX A
CC
EE
CM
OUT
REF
A
MIN
(Note 2)
PARAMETER
COMPARATOR
SYMBOL
CONDITIONS
MIN
TYP
MAX
9.0
UNITS
Input Offset Voltage (Note 4)
Input Hysteresis
V
Over entire common-mode range
1
3.0
mV
mV
nA
OS
V
HYST
Input Bias Current (Notes 5, 6, 7)
Input Offset Current (Note 5)
I
Specified common-mode range
Specified common-mode range
0.001
0.5
25.0
B
I
pA
OS
Common-Mode Voltage Range
(Notes 5, 8)
CMVR
CMRR
PSRR
V
V
V
EE
CC
Common-Mode Rejection Ratio
(Note 5)
Specified common-mode range
52
80
dB
MAX9039–MAX9043, 2.5V ≤ V
MAX9050–MAX9053, 2.7V ≤ V
≤ 5.5V
≤ 5.5V
55
55
80
80
CC
Power-Supply Rejection Ratio
Input Capacitance (Note 5)
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
V
V
= 5V, I
= 8mA
0.2
0.15
4.85
2.55
40
0.55
CC
CC
CC
CC
SINK
Output Voltage Low
Output Voltage High
V
V
V
OL
= 2.7V, I
= 3.5mA
SINK
= 5V, I
= 8mA
4.45
SOURCE
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 9)
C = 15pF,
L
t
/t
ns
µs
PD+ PD-
V
= 2.7V
CC
Power-Up Time
t
Time to V
valid logic state
OUT
PU
VOLTAGE REFERENCE
MAX9039
1.218
2.028
2.475
1.230
2.048
2.500
1.242
2.068
2.525
Output Voltage
V
T
= +25°C
A
MAX9040–MAX9043
MAX9050–MAX9053
V
REF
Output Voltage Temperature
Coefficient (Note 10)
TCV
20
100
ppm/°C
µV/V
REF
MAX9039–MAX9043
MAX9050–MAX9053
+50
+50
2
+200
+200
4
∆V
/
REF
Line Regulation
Load Regulation
2.5V ≤ V
≤ 5.5V
CC
∆V
CC
Sourcing: 0µA ≤ I
≤ 500µA
REF
∆V
∆I
/
REF
µV/µA
REF
Sinking: -500µA ≤ I
≤ 0µA
3.5
4
6
REF
CC
Output Short-Circuit Current
Thermal Hysteresis (Note 11)
Long-Term Stability
I
V
= V or V
mA
ppm
ppm
SC
REF
EE
T
HYST
130
100
40
1000h at T = +25°C
A
f = 0.1Hz to 10Hz
f = 10Hz to 10kHz
µV
P-P
Noise Voltage
E
OUT
105
µV
RMS
4
_______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
ELECTRICAL CHARACTERISTICS—B Grade (1% Initial Accuracy) (continued)
(V
= 5V, V = 0V, V
= 0V, I
= 0A, I
= 0A, T = T
to T
, unless otherwise noted. Typical values are at T = +25°C.)
MAX A
CC
EE
CM
OUT
REF
A
MIN
(Note 2)
PARAMETER
SYMBOL
∆V
CONDITIONS
= 5V 100mV, f = 120Hz
MIN
TYP
84
MAX
UNITS
dB
/
REF
Ripple Rejection
V
CC
∆V
CC
Turn-On Settling Time
t (V
)
To V = 1% of final value
REF
200
µs
R
REF
Capacitive Load Stability Range
(Note 7)
C (V
)
0
4.7
nF
L
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
OS
is defined as the center of the input-referred hysteresis band.
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 ∆V
is divided by the maximum ∆T.
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
Typical Operating Characteristics
(V
= 5V, V = 0V, V
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.)
CC
EE
CM
OUT
REF
A
MAX9042/MAX9043/MAX9052/MAX9053
SUPPLY CURRENT vs. TEMPERATURE
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
SUPPLY CURRENT vs. SWITCHING FREQUENCY
200
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
SUPPLY CURRENT vs. TEMPERATURE
60
60
V
> V
IN-
V
> V
IN-
IN+
IN+
V
V
= 5.0V
= 2.7V
V
V
= 5.0V
= 2.7V
CC
CC
CC
CC
50
40
30
20
10
0
50
40
30
20
10
0
150
100
V
V
= 5.0V
= 2.7V
CC
CC
50
0
0.01
0.1
1
10
100
1000
-40 -20
0
20
40
60
80
-40 -20
0
20
40
60
80
SWITCHING FREQUENCY (kHz)
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________
5
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.)
CC
EE
CM
OUT
REF
A
OUTPUT HIGH VOLTAGE
vs. OUTPUT SOURCE CURRENT
MAX9042/MAX9043/MAX9052/MAX9053
SUPPLY CURRENT vs. SWITCHING FREQUENCY
OUTPUT LOW VOLTAGE
vs. OUTPUT SINK CURRENT
10,000
1000
100
250
10,000
V
> V
IN-
V
< V
IN+
IN+
IN-
200
150
100
1000
100
10
V
= 2.7V
CC
V
= 2.7V
CC
V
= 5.0V
CC
V
= 5.0V
CC
10
V
= 5.0V
= 2.7V
CC
1
50
0
1
V
CC
0.1
0.1
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
OUTPUT SOURCE CURRENT (mA)
SWITCHING FREQUENCY (kHz)
OUTPUT SINK CURRENT (mA)
OUTPUT SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
PROPAGATION DELAY
OUTPUT SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
vs. CAPACITIVE LOAD (V = 2.7V)
CC
120
100
80
60
40
20
0
600
100
80
60
40
20
0
V
> V
IN-
V = 50mV
OD
IN+
V
> V
IN-
IN+
OUT SHORTED TO V
EE
OUT SHORTED TO V
CC
550
500
450
400
350
t
TO V
= 50%
OUT
PD+
V
= 5.0V
V
= 5.0V
CC
CC
OF FINAL VALUE
t
TO V
= 50%
OUT
PD-
OF FINAL VALUE
t
TO V
= 10%
OUT
PD+
V
= 2.7V
CC
V
= 2.7V
60
CC
OF FINAL VALUE
t
TO V
= 10%
OUT
PD-
OF FINAL VALUE
0
100 200 300 400 500 600 700 800 900 1000
CAPACITIVE LOAD (pF)
-40
-20
0
20
40
60
80
-40
-20
0
20
40
80
TEMPERATURE (°C)
TEMPERATURE (°C)
PROPAGATION DELAY
vs. CAPACITIVE LOAD (V = 5V)
PROPAGATION DELAY
vs. INPUT OVERDRIVE
PROPAGATION DELAY
vs. TEMPERATURE
CC
= 50%
650
600
550
500
450
400
350
300
900
800
700
600
500
400
300
200
650
600
t
TO V
OUT
V
= 50mV
PD+
V
= 50mV
OD
OD
OF FINAL VALUE
t
TO V
= 50%
OUT
PD+
OF FINAL VALUE
t
TO V
= 10%
OUT
PD+
550
500
450
400
350
300
OF FINAL VALUE
t , V = 5.0V
PD+ CC
t
TO V
= 10%
OUT
PD+
t
TO V
= 50%
OUT
OF FINAL VALUE
PD-
t
TO V
= 50%
OUT
t , V = 2.7V
PD+ CC
PD-
OF FINAL VALUE
OF FINAL VALUE
t
TO V
= 10%
OUT
PD-
OF FINAL VALUE
t
, V = 5.0V
PD- CC
t
, V = 2.7V
PD- CC
t
TO V
= 10%
OUT
PD-
OF FINAL VALUE
20 40
TEMPERATURE (°C)
0
100 200 300 400 500 600 700 800 900 1000
CAPACITIVE LOAD (pF)
0
20 40 60 80 100 120 140 160 180 200
INPUT OVERDRIVE (mV)
-40
-20
0
80
60
6
_______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.)
CC
EE
CM
OUT
REF A
PROPAGATION DELAY (t
)
SWITCHING CURRENT (OUT RISING EDGE)
PD-
PROPAGATION DELAY (t
)
PD+
A
B
A
A
B
C
B
100ns/div
100ns/div
100ns/div
A = IN+, 50mV/div
B = OUT, 2V/div
A = IN+, 100mV/div
A = IN+, 50mV/div
B = OUT, 2V/div
B = OUT, 5V/div
C = I , 1mA/div
CC
POWER-UP DELAY (OUT)
POWER-UP DELAY (REF)
SWITCHING CURRENT (OUT FALLING EDGE)
A
B
A
B
A
B
C
C
5µs/div
100µs/div
100ns/div
A = V , 2V/div
CC
A = V , 2V/div
CC
A = IN+, 100mV/div
B = OUT, 1V/div
B = REF, 1V/div
B = OUT, 5V/div
C = REF, 50mV/div, 2.048V OFFSET
MAX9039
C = I , 1mA/div
CC
MAX904_/MAX905_
REFERENCE OUTPUT VOLTAGE
TEMPERATURE DRIFT
REFERENCE OUTPUT VOLTAGE
TEMPERATURE DRIFT
INPUT BIAS CURRENT
vs. INPUT VOLTAGE
1
1.00
0.75
0.50
0.25
0
0.003
0.002
0.001
0
V
= 2.0V
THREE TYPICAL PARTS
NORMALIZED TO +25°C
IN-
THREE TYPICAL PARTS
NORMALIZED TO +25°C
0
-1
-2
-3
I
B+
I
B-
-0.25
-0.50
-0.75
-1.00
20
40
-40
-20
0
60
80
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
(V)
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
V
TEMPERATURE (°C)
IN+
_______________________________________________________________________________________
7
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Typical Operating Characteristics (continued)
(V
= 5V, V = 0V, V
EE
= 0V, I
= 0A, I
= 0A, T = +25°C, unless otherwise noted.)
CC
CM
OUT
REF
A
LINE REGULATION
LOAD REGULATION
150
100
50
2000
T
1500
= +85°C
A
T
= +25°C
A
1000
0
T
= -40°C
500
0
A
T
T
= +25°C
A
-50
-100
-150
-200
= -40°C
A
-500
-1000
-1500
T
= +85°C
A
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
MAX9040
MAX9050
MAX9041
MAX9051
MAX9042 MAX9043
MAX9052 MAX9053
MAX9039
NAME
FUNCTION
UCSP
A2
A1
B1
B3
A3
B2
—
SOT23
1
SOT23
SO
SO/µMAX
µMAX
1
2
6
4
—
4
—
5
OUT
Comparator Output
2
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
8
_______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
age is between the supply rails. Comparator inputs are
Detailed Description
protected from overvoltage by internal body diodes
The MAX9039–MAX9043 and MAX9050–MAX9053 fea-
connected to the supply rails. As the input voltage
exceeds the supply rails, these body diodes become
forward biased and begin to conduct. Consequently,
bias currents increase exponentially as the input volt-
age exceeds the supply rails.
ture single/dual, low-power, low-voltage comparators
and a precision voltage reference. They operate from a
single 2.5V to 5.5V (MAX9039/MAX904_) or 2.7V to
5.5V (MAX905_) supply. The single comparators with
reference, (MAX9039/MAX9040/MAX9041/MAX9050/
MAX9051 consume only 40µA of supply current, while
the dual comparators with reference (MAX9042/
MAX9043/MAX9052/MAX9053) 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 output stage employs a unique design that mini-
mizes 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 grade). The reference output voltage is set to
1.23V in the 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 1). Use the follow-
ing procedure to calculate resistor values:
Comparator Input Stage Circuitry
The devices’ input common-mode range extends from
(V - 0.25V) to (V
EE
+ 0.25V). These comparators may
CC
1) Calculate the trip points of the comparator using
these formulas:
operate at any differential input voltage within these lim-
its. Input bias current is typically 1.0pA if the input volt-
V
− V
R2
CC
REF
(
)
V
= V
+
TH
REF
R1+ R2
V
CC
R1
R2
V
= V
1−
V
CC
TL
REF
R2
R1+ R2
IN+
IN-
V
REF
V
is the threshold voltage at which the comparator
OUT
TH
switches its output from high to low as V rises
IN
above the trip point. V is the threshold voltage at
V
TL
IN
which the comparator switches its output from low to
MAX9039–MAX9043
MAX9050–MAX9053
high as V drops below the trip point.
IN
V
2) The hysteresis band will be:
EE
R2
R1 + R2
V
= V − V = V
TH TL CC
HYS
Figure 1. Additional Hysteresis
_______________________________________________________________________________________
9
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
amount of overshoot (or undershoot) and assist the cir-
V
CC
cuit’s transient response. When an application is not
subject to transient conditions, the REF capacitor can
be omitted.
V
CC
IN+
IN-
V
IN
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.
OUT
10kΩ
MAX9039–MAX9043
MAX9050–MAX9053
0.1µF
V
EE
Even severe phase distortion is eliminated from the dig-
ital output signal. Be sure to choose R1 and C1 so that:
Figure 2. Time Averaging of the Input Signal for Data Recovery
1
f >>
CAR
3) In this example, let V
= 5V and V
= 2.5V:
REF
CC
2πR1C1
R2
where f
is the fundamental carrier frequency of the
CAR
V
= 2.5 + 2.5
TH
R1+ R2
digital data stream.
UCSP Package Consideration
and
For general UCSP package information and PC layout
considerations, please refer to Maxim Application
Note,"Wafer-Level Chip-Scale Package."
R2
V
= 2.5 1−
TL
R1+ R2
UCSP Reliability
4) Select R2. In this example, we will choose 1kΩ.
5) Select V . In this example, we will choose 50mV.
The chip-scale package (UCSP) represents a unique
packaging form factor that may not perform equally to a
packaged product through traditional mechanical relia-
bility tests. UCSP reliability is integrally linked to the
user’s assembly methods, circuit board material, and
usage environment. The user should closely review
these areas when considering use of a UCSP.
Performance through Operating Life Test and Moisture
Resistance remains uncompromised as it is primarily
determined by the wafer-fabrication process.
HYS
6) Solve for R1:
R2
R1 + R2
V
= V
CC
HYS
1000
R1+1000
0.050 = 5
Mechanical stress performance is a greater considera-
tion for a UCSP. UCSPs are attached through direct
solder contact to the user’s PC board, foregoing the
inherent stress relief of a packaged product lead frame.
Solder joint contact integrity must be considered.
Information on Maxim’s qualification plan, test data,
and recommendations are detailed in the UCSP appli-
cation note, which can be found on Maxim’s website at
www.maxim-ic.com.
where R1 ≈ 100kΩ, V = 2.525V, and V = 2.475V.
TH
TL
Board Layout and Bypassing
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.
Chip Information
MAX9039 TRANSISTOR COUNT: 193
MAX9040/MAX9041/MAX9050/MAX9051 TRANSISTOR
COUNT: 204
MAX9042/MAX9043/MAX9052/MAX9053 TRANSISTOR
COUNT: 280
Reference Output/Load Capacitance
The MAX9039/MAX904_/MAX905_ do not require an
output capacitor on REF for frequency stability. They
are stable for capacitive loads up to 4.7nF. However, in
applications where the load or the supply can experi-
ence step changes, an output capacitor will reduce the
10 ______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Functional Diagrams
OUTA
REF
1
2
8
7
V
CC
MAX9042
MAX9052
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)
IN- 2 (B2)
7 (A3)
V
CC
3
4
INA-
INA+
7
6
REF
3 (B1) IN+
5
V
EE
INB+
MAX9039
MAX9041
MAX9051
( ) MAX9039 UCSP BUMPS.
Selector Guide
COMPARATORS
PER PACKAGE
V
REF
(V)
PART
IN- CONNECTIONS
MAX9039
MAX9040
MAX9041
MAX9050
MAX9051
MAX9042
MAX9043
MAX9052
MAX9053
1
1
1
1
1
2
2
2
2
1.230
2.048
2.048
2.500
2.500
2.048
2.048
2.500
2.500
Uncommitted
REF
Uncommitted
REF
Uncommitted
REF/Uncommitted
Uncommitted/Uncommitted
REF/Uncommitted
Uncommitted/Uncommitted
______________________________________________________________________________________ 11
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.
V
CC
OUTB
INB-
MAX9041
MAX9051
MAX9043
MAX9053
MAX9041
MAX9051
MAX9042
MAX9052
V
REF
IN-
EE
INA-
INA+
8
OUTB
INB-
INB+
IN+
OUT
N.C.
INA+
7
V
V
INB+
EE
EE
IN+
V
6
EE
µMAX
SO
µMAX/SO
SOT23
Ordering Information (continued)
Typical Operating Circuit
PIN-
PACKAGE
TOP
MARK
PART
TEMP RANGE
V
CC
V
IN
MAX9042AEUA
MAX9042BEUA
MAX9042AESA
MAX9042BESA
MAX9043AEUB
MAX9043BEUB
-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
CC
—
0.1µF
IN+
IN-
8 SO
—
10 µMAX
10 µMAX
5 SOT23-5
5 SOT23-5
6 SOT23-6
6 SOT23-6
8 SO
—
OUT
—
MAX9050AEUK-T -40°C to +85°C
MAX9050BEUK-T -40°C to +85°C
MAX9051AEUT-T -40°C to +85°C
MAX9051BEUT-T -40°C to +85°C
ADNW
ADNY
AAHG
AAHI
—
MAX9039
REF
MAX9041/MAX9043
MAX9051/MAX9053
1.23V/2.048V/2.500V
V
EE
MAX9051AESA
MAX9051BESA
MAX9052AEUA
MAX9052BEUA
MAX9052AESA
MAX9052BESA
MAX9053AEUA
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
8 SO
—
8 µMAX
8 µMAX
8 SO
AAHG
AAHI
—
8 SO
—
10 µMAX
10 µMAX
—
—
12 ______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
______________________________________________________________________________________ 13
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
INCHES
MILLIMETERS
DIM
A
MIN
MAX
0.069
0.010
0.019
0.010
MIN
1.35
0.10
0.35
0.19
MAX
1.75
0.25
0.49
0.25
0.053
0.004
0.014
0.007
N
A1
B
C
e
0.050 BSC
1.27 BSC
E
0.150
0.228
0.016
0.157
0.244
0.050
3.80
5.80
0.40
4.00
6.20
1.27
E
H
H
L
VARIATIONS:
INCHES
1
MILLIMETERS
DIM
D
MIN
MAX
0.197
0.344
0.394
MIN
4.80
8.55
9.80
MAX
5.00
N
8
MS012
AA
TOP VIEW
0.189
0.337
0.386
D
8.75 14
10.00 16
AB
D
AC
D
C
A
B
0∞-8∞
e
A1
L
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION
TITLE:
PACKAGE OUTLINE, .150" SOIC
APPROVAL
DOCUMENT CONTROL NO.
REV.
1
21-0041
B
1
14 ______________________________________________________________________________________
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
e
4X S
10
10
INCHES
DIM MIN
MAX
MILLIMETERS
MIN
-
MAX
1.10
0.15
0.95
3.05
3.00
3.05
3.00
5.05
0.70
A
-
0.043
0.006
0.037
0.120
0.118
0.120
0.118
0.199
A1
A2
D1
D2
E1
E2
H
0.002
0.030
0.116
0.114
0.116
0.114
0.187
0.05
0.75
2.95
2.89
2.95
2.89
4.75
0.40
H
ÿ 0.50±0.1
0.6±0.1
L
0.0157 0.0275
0.037 REF
L1
b
0.940 REF
0.007
0.0106
0.177
0.090
0.270
1
1
e
0.0197 BSC
0.500 BSC
0.6±0.1
c
0.0035 0.0078
0.0196 REF
0.200
BOTTOM VIEW
E2
0.498 REF
S
TOP VIEW
D2
α
0∞
6∞
0∞
6∞
GAGE PLANE
A2
c
A
E1
b
L
α
A1
D1
L1
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION
TITLE:
PACKAGE OUTLINE, 10L uMAX/uSOP
APPROVAL
DOCUMENT CONTROL NO.
REV.
1
21-0061
I
1
4X S
8
8
MILLIMETERS
INCHES
DIM MIN
MAX
MIN
-
MAX
0.043
0.006
0.037
-
1.10
0.15
0.95
0.36
0.18
3.05
A
0.002
0.030
0.010
0.005
0.116
0.05
0.75
0.25
0.13
2.95
A1
A2
b
0.014
0.007
0.120
E
H
ÿ 0.50±0.1
c
D
e
0.0256 BSC
0.65 BSC
0.6±0.1
E
H
0.116
0.188
0.016
0∞
0.120
2.95
4.78
0.41
0∞
3.05
5.03
0.66
6∞
0.198
0.026
6∞
L
1
1
BOTTOM VIEW
α
S
0.6±0.1
0.0207 BSC
0.5250 BSC
D
TOP VIEW
A1
A2
A
c
α
e
L
b
SIDE VIEW
FRONT VIEW
PROPRIETARY INFORMATION
TITLE:
PACKAGE OUTLINE, 8L uMAX/uSOP
APPROVAL
DOCUMENT CONTROL NO.
REV.
1
21-0036
J
1
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15
© 2002 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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