MAX9038–MAX9043/
MAX9050–MAX9053
General Description
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
●
Comparator + Precision Reference in UCSP/SOT23
●
2.5V to 5.5V Single-Supply Operation
(MAX9038–MAX9043)
● Low Supply Current (MAX9038/MAX9039/MAX9040/
MAX9041/MAX9050/MAX9051)
• 40μA Quiescent
• 50μA with 100kHz Switching
• Open-Drain Output MAX9038
●
400ns Propagation Delay
●
Rail-to-Rail Inputs
●
Rail-to-Rail Output Stage Sinks and Sources 8mA
● Internal ±3mV Hysteresis
●
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
The MAX9038–MAX9043 and MAX9050–MAX9053 feature
combinations of low-power comparators and precision
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.
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 switching, even
with slow-moving input signals. The output stage features
a unique design that limits supply current 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 railto-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.
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-correction circuit and laser-trimmed
thin-film resistors. These series-mode references can sink
or source up to 500μA of load current.
Features
Ordering Information
PART
MAX9038BABT+T
MAX9039BEBT+T
MAX9040AEUK+T
MAX9040BEUK+T
MAX9041AEUT+T
MAX9041BEUT+T
MAX9041AESA
MAX9041BESA
TEMP RANGE
-40°C to +125°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
PIN-
PACKAGE
6 UCSP
6 UCSP
5 SOT23
5 SOT23
6 SOT23
6 SOT23
8 SO
8 SO
TOP
MARK
ADW
AAZ
ADNW
ADNX
AAHF
AAHH
—
—
+Denotes
lead(Pb)-free/RoHS-compliant package.
Ordering Information
continued at end of data sheet.
Selector Guide
appears at end of data sheet.
Pin Configurations
TOP VIEW (BUMPS ON BOTTOM)
IN+
B1
A1
V
EE
OUT 1
TOP VIEW
+
MAX9040
MAX9050
4
REF
5
V
CC
Applications
●
Precision Battery
Management
●
Window Comparators
●
IR Receivers
● Level Translators
● Digital Line Receivers
IN-
B2
MAX9038
MAX9039
A2
OUT
V
EE
2
Typical Operating Circuit and Functional Diagrams appear at end
of data sheet.
REF
B3
A3
V
CC
IN+ 3
UCSP
SOT23
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations continued at end of data sheet.
19-1569; Rev 10; 1/17
MAX9038–MAX9043/
MAX9050–MAX9053
Absolute Maximum Ratings
Supply Voltage (V
CC
to V
EE
) ..................................-0.3V to +6V
OUT (MAX9038) ......................................................-0.3V to +6V
All Other Pins ................................ (V
EE
- 0.3V) to (V
CC
+ 0.3V)
Current into Input Pins .....................................................±20mA
Output Short-Circuit Duration
(OUT_, REF) .............Indefinite Short Circuit to Either Supply
Continuous Power Dissipation (T
A
= +70°C)
5-Pin SOT23 (derate 7.10mW/°C above +70°C) ........571mW
6-Bump UCSP (derate 3.9mW/°C above +70°C) ........308mW
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
6-Pin SOT23 (derate 8.70mW/°C above +70°C) ........696mW
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
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 recommended
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.
(V
CC
= +5V, V
EE
= 0V, V
CM
= 0V, I
OUT
= 0A, I
REF
= 0A, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 2)
PARAMETER
Supply Voltage Range (Note 3)
SYMBOL
V
CC
CONDITIONS
MAX9040–MAX9043
MAX9050–MAX9053
MAX9040/MAX9041/
MAX9050/MAX9051
MAX9042/MAX9043/
MAX9052/MAX9053
Over entire
common-mode
range
V
CC
= 2.7V
V
CC
= 2.7V
V
CC
= 5V
MIN
2.5
2.7
47
52
55
60
±0.5
±3.0
Specified common-mode range
Specified common-mode range
T
A
= +25°C
T
A
= -40°C to +85°C
CMRR
PSRR
C
IN
I
SC
V
OL
V
OUT
= V
EE
or V
CC
V
CC
= 5V, I
SINK
= 8mA
Specified common-mode range
MAX9040–MAX9043, 2.5V ≤ V
CC
≤ 5.5V
MAX9050-MAX9053, 2.5V ≤ V
CC
≤ 5.5V
V
CC
= 5V
V
EE
-
0.25
V
EE
52
55
55
80
80
80
2.5
95
35
0.2
0.15
0.55
0.4
V
CC
= 2.7V
±0.001
±0.5
V
CC
+
0.25
V
CC
dB
dB
pF
mA
V
±10.0
TYP
MAX
5.5
5.5
67
72
80
85
±5.0
±7.0
µA
UNITS
V
Electrical Characteristics—A Grade (0.4% Initial Accuracy)
Supply Current
COMPARATORS
Input Offset Voltage (Note 4)
Input Hysteresis
Input Bias Current
(Notes 5, 6, 7)
Input Offset Current (Note 5)
Common-Mode Voltage Range
(Notes 5, 8)
Common-Mode Rejection Ratio
(Note 5)
Power-Supply Rejection Ratio
Input Capacitance (Note 5)
Output Short-Circuit Current
Output Voltage Low
I
CC
V
CC
= 5V
V
OS
V
HYST
I
B
I
OS
CMVR
T
A
= +25°C
T
A
= -40°C to +85°C
mV
mV
nA
pA
V
V
CC
= 2.7V, I
SINK
= 3.5mA
μMAX is a registered trademark of Maxim Integrated Products, Inc.
Maxim Integrated
│
2
www.maximintegrated.com
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Electrical Characteristics —A Grade (0.4% Initial Accuracy) (continued)
(V
CC
= +5V, V
EE
= 0V, V
CM
= 0V, I
OUT
= 0A, I
REF
= 0A, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 2)
PARAMETER
Output Voltage High
Output Rise/Fall Times
Output Propagation Delay
(Note 9)
Power-Up Time
VOLTAGE REFERENCE
Output Voltage
Output Voltage Temperature
Coefficient (Note 10)
Line Regulation
Load Regulation
Output Short-Circuit Current
Thermal Hysteresis (Note 11)
Long-Term Stability
Noise Voltage
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
(Note 7)
SYMBOL
V
OH
t
R
/t
F
t
PD+
/
t
PD-
t
PU
V
REF
TCV
REF
ΔV
REF
/
ΔV
CC
ΔV
REF
/
ΔI
REF
T
HYST
E
OUT
ΔV
REF
/
ΔV
CC
t
R
(V
REF
)
C
L
(V
REF
)
I
SC
CONDITIONS
V
CC
= 5V, I
SOURCE
= 8mA
C
L
= 15pF
V
CC
= 2.7V, I
SOURCE
= 3.5mA
MIN
4.45
2.3
TYP
4.85
2.55
40
50
80
50mV overdrive
100mV overdrive
450
400
20
2.040
2.490
2.048
2.500
6
6
+50
+50
2
3.5
4
130
50
40
105
84
200
0
4.7
2.056
2.510
30
50
+200
+200
4
6
ns
µs
V
ppm/°C
µV/V
µV/µA
mA
ppm
ppm
µV
RMS
dB
µs
nF
µV
P-P
ns
MAX
UNITS
V
C
L
= 200pF
C
L
= 15pF,
V
CC
= 2.7V
C
L
= 50pF
Time to V
OUT
valid logic state
T
A
= +25°C
µMAX/SO
SOT23
2.5V ≤ V
CC
≤ 5.5V, MAX9040–MAX9043
Sourcing. 0µA ≤ I
REF
≤ 500µA
V
REF
= V
EE
or V
CC
Sinking, -500µA ≤ I
REF
≤ 0µA
2.7V ≤ V
CC
≤ 5.5V, MAX9050–MAX9053
MAX9040–MAX9043
MAX9050–MAX9053
f = 0.1Hz to 10Hz
1000h at T
A
= +25°C
f = 10Hz to 10kHz
V
CC
= 5V ±100mV, f = 120Hz
To V
REF
= 1% of final value
Electrical Characteristics—B Grade (1% Initial Accuracy) (Note 12)
(V
CC
= 5V, V
EE
= 0V, V
CM
= 0V, V
PU
= 1.8V, R
PU
= 10kΩ, I
OUT
= 0A, I
REF
= 0A, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.) (Note 2)
PARAMETER
Supply Voltage Range (Note 3)
SYMBOL
V
CC
CONDITIONS
MAX9038–MAX9043
MAX9050–MAX5053
MAX9038/MAX9039/
MAX9040/MAX9041/
MAX9050/MAX9051
MAX9042/MAX9043/
MAX9052/MAX5053
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 2.7V
V
CC
= 5.0V
MIN
2.5
2.7
40
45
55
60
130
100
µA
TYP
MAX
5.5
5.5
UNITS
V
Supply Current
I
CC
www.maximintegrated.com
Maxim Integrated
│
3
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
Electrical Characteristics—B Grade (1% Initial Accuracy) (Note 12) (continued)
(V
CC
= 5V, V
EE
= 0V, V
CM
= 0V, V
PU
= 1.8V, R
PU
= 10kΩ, I
OUT
= 0A, I
REF
= 0A, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.) (Note 2)
PARAMETER
COMPARATOR
Input Offset Voltage (Note 4)
Input Hysteresis
Input Bias Current (Notes 5, 6, 7)
Input Offset Current (Note 5)
Common-Mode Voltage Range
(Notes 5, 8)
Common-Mode Rejection Ratio
(Note 5)
Power-Supply Rejection Ratio
Input Capacitance (Note 5)
Output Short-Circuit Current
Output Voltage Low
Output Voltage High (Except
MAX9038)
Output Leakage
Output Rise/Fall Times
t
R
/t
F
V
HYST
I
OS
CMVR
CMRR
PSRR
C
IN
I
SC
V
OL
V
OH
Specified common-mode range
MAX9038–MAX9043, 2.5V ≤ V
CC
≤ 5.5V
MAX9050–MAX9053, 2.7V ≤ V
CC
≤ 5.5V
V
OUT
= V
EE
or V
CC
V
CC
= 5V
I
B
V
OS
Over entire common-mode range
Specified common-mode range
Specified common-mode range
V
EE
52
55
55
80
80
80
2.5
95
35
0.2
0.15
4.45
4.85
2.55
0.5
40
50
80
400
1180
5580
450
400
500
1540
3350
20
1.225
2.028
2.475
1.230
2.048
2.500
20
1.235
2.068
2.525
100
ppm/°C
V
µs
ns
ns
ns
ns
0.55
±1
±3.0
±0.001
±0.5
V
CC
±25.0
±9.0
mV
mV
nA
pA
V
dB
dB
pF
mA
V
V
µA
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
= 2.7V, I
SINK
= 3.5mA
V
CC
= 5V, I
SINK
= 8mA
V
CC
= 2.7V
MAX9038
V
CC
= 2.7V, I
SOURCE
= 3.5mA
C
L
= 15pF
C
L
= 50pF
C
L
= 200pF
V
CC
= 5V, I
SOURCE
= 8mA
Output Rise Time
Output Propagation Delay
(Note 9)
Output Rising Propagation Delay
(Note 9)
Power-Up Time
VOLTAGE REFERENCE
Output Voltage
Output Voltage Temperature
Coefficient (Note 10)
t
R
t
PD+
/t
PD-
t
PD+
t
PU
R
PU
= 10kΩ, C
L
= 15pF, MAX9038
R
PU
= 10kΩ, C
L
= 50pF, MAX9038
R
PU
= 10kΩ, C
L
= 200pF, MAX9038
C
L
= 15pF,
V
CC
= 2.7V
50mV overdrive
100mV overdrive
R
PU
= 10kΩ, CL = 50pF, MAX9038
Time to V
OUT
valid logic state
R
PU
= 10kΩ, CL = 15pF, MAX9038
R
PU
= 10kΩ, CL = 200pF, MAX9038
MAX9038/MAX9039 (Note 12)
V
REF
TCV
REF
T
A
= +25°C
MAX9040–MAX9043
MAX9050–MAX9053
www.maximintegrated.com
Maxim Integrated
│
4
MAX9038–MAX9043/
MAX9050–MAX9053
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
(V
CC
= 5V, V
EE
= 0V, V
CM
= 0V, V
PU
= 1.8V, R
PU
= 10kΩ, I
OUT
= 0A, I
REF
= 0A, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.) (Note 2)
PARAMETER
Line Regulation
Load Regulation
Output Short-Circuit Current
Thermal Hysteresis (Note 11)
Long-Term Stability
Ripple Rejection
Turn-On Settling Time
Capacitive Load Stability Range
(Note 7)
Note 2:
SYMBOL
ΔV
REF
/
ΔV
CC
ΔV
REF
/
ΔI
REF
T
HYST
ΔV
REF
/
ΔV
CC
t
R
(V
REF
)
C
L
(V
REF
)
I
SC
CONDITIONS
2.5V ≤ V
CC
≤ 5.5V
MAX9038–MAX9043
MAX9050–MAX9053
MIN
TYP
+50
+50
2
3.5
4
130
100
84
200
0
4.7
MAX
+200
+200
4
6
UNITS
µV/V
µV/µA
mA
ppm
ppm
dB
µs
nF
Electrical Characteristics—B Grade (1% Initial Accuracy) (Note 12) (continued)
Sourcing: 0µA ≤ I
REF
≤ 500µA
V
REF
= V
EE
or V
CC
Sinking: -500µA ≤ I
REF
≤ 0µA
1000h at T
A
= +25°C
V
CC
= 5V ±100mV, f = 120Hz
To V
REF
= 1% of final value
All devices are 100% production tested at T
A
= +25°C. Limits over the extended temperature range are guaranteed by
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
OVERDRIVE
is beyond the offset and hysteresis determined trip point.
Note 10:
Temperature coefficient is measured by the box method; i.e., the maximum ΔV
REF
is divided by the maximum ΔT.
Note 11:
Thermal hysteresis is defined as the change in V
REF
at +25°C before and after cycling the device from T
MIN
to T
MAX
.
Note 12:
MAX9038/MAX9039 has an initial accuracy of ±0.4%.
(V
CC
= 5V, V
EE
= 0V, V
CM
= 0V, V
PU
= 1.8V, R
PU
= 10kΩ, I
OUT
= 0A, I
REF
= 0A, T
A
= +25°C, unless otherwise noted.)
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
SUPPLY CURRENT vs. TEMPERATURE
MAX9038 toc01
Typical Operating Characteristics
MAX9038 toc02
V
IN+
> V
IN-
50
SUPPLY CURRENT (µA)
40
30
20
10
0
V
CC
= 5.0V
V
IN+
> V
IN-
50
SUPPLY CURRENT (µA)
40
30
20
10
0
V
CC
= 5.0V
V
CC
= 2.7V
V
CC
= 2.7V
SUPPLY CURRENT (µA)
150
100
V
CC
= 5.0V
V
CC
= 2.7V
0
50
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
0.01
0.1
1
10
100
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
SWITCHING FREQUENCY (kHz)
www.maximintegrated.com
Maxim Integrated
│
5
MAX9038 toc03
60
60
MAX9042/MAX9043/MAX9052/MAX9053
SUPPLY CURRENT vs. TEMPERATURE
200
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051
SUPPLY CURRENT vs. SWITCHING FREQUENCY
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