14-Pin SO (derate 8.3mW/°C above +70°C)................667mW
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
Soldering Temperature (reflow) .......................................+260°C
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
(V
CC
= +2.7V to +28V, V
RS+
= 0 to +28V, V
SENSE
= 0V, V
RESET
= 0V, R
LOAD
= 1MΩ, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Operating Voltage Range
(Note 2)
Common-Mode Input Range
(Note 3)
Common-Mode Rejection
Supply Current
Leakage Current
SYMBOL
V
CC
V
CMR
CMR
I
CC
V
RS+
> 2V
V
RS+
> 2V, V
SENSE
= 5mV
V
RS+
> 2V
V
RS+
≤
2V
V
RS+
> 2V
V
RS+
≤
2V
Gain = +20V/V, +50V/V, V
RS+
= 12V
Gain = +100V/V, V
RS+
= 12V
V
CC
= V
RS+
= 12V
(Note 11)
T
A
= +25°C
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
±5.0
±5.0
2.5
8.5
65
0.25
mV
V
±0.35
±0.30
0
-25
0
-50
150
100
170
120
0.1
1
2
±2
±3
±2
±3
%
CONDITIONS
MIN
2.7
0
85
50
±0.015
100
±0.5
2.5
2.0
4
4
mV
mV
µA
TYP
MAX
28
28
UNITS
V
V
dB
µA
µA
I
RS+,
I
RS-
V
CC
= 0V, V
RS+
= 28V
I
RS+
Input Bias Current
I
RS-
Full-Scale Sense Voltage
(Note 4)
Input Offset Voltage
V
SENSE
V
OS
Total OUT Voltage Error
(Note 5)
V
OUT
V
SENSE
=
100mV
(Note 6)
V
CC
= 12V,
V
RS+
= 12V
V
CC
= 28V,
V
RS+
= 28V
V
CC
= 12V, V
RS+
= 0.1V
V
SENSE
= 6.25mV, V
CC
= 12V,
V
RS+
= 12V (Note 7)
OUT Voltage Low
OUT Voltage High
V
OUT
V
CC -
V
OH
V
CC
= 2.7V,
V
RS+
= 12V
I
OUT
= 10µA
I
OUT
= 100µA
V
CC
= 2.7V, I
OUT
= -500µA, V
RS+
= 12V
www.maximintegrated.com
Maxim Integrated | 2
MAX4373/MAX4374/MAX4375
Low-Cost, Micropower, High-Side
Current-Sense Amplifier +
Comparator + Reference ICs
Electrical Characteristics (continued)
(V
CC
= +2.7V to +28V, V
RS+
= 0 to +28V, V
SENSE
= 0V, V
RESET
= 0V, R
LOAD
= 1MΩ, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
V
SENSE
= 100mV,
Gain = +20V/V
-3dB Bandwidth
BW
V
SENSE
= 100mV,
Gain = +50V/V
V
SENSE
= 100mV,
Gain = +100V/V
V
SENSE
= 6.25mV
MAX437_T
Gain
A
V
MAX437_F
MAX437_H
V
SENSE
=
20mV to 150mV;
V
CC
= 12V; V
RS+
=
12V; Gain = 20, 50
Gain Accuracy
ΔA
V
V
SENSE
=
20mV to 100mV,
V
CC
= 12V, V
RS+
=
12V, Gain = 100
Gain = +20V/V,
V
CC
= 12V,
V
RS+
= 12V,
C
LOAD
= 10pF
R
OUT
PSR
V
SENSE
= 100mV
V
OUT
= 2V, V
RS+
> 2V
V
SENSE
= 100mV, C
LOAD
= 10pF,
V
CC
= 12V, V
RS+
= 12V
V
CC
= 12V, V
RS+
= 12V, C
LOAD
= 10pF
72
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= -40°C to +85°C
V
SENSE
= 6.25mV to
100mV
V
SENSE
= 100mV to
6.25mV
20
µs
20
1000
1.5
87
0.5
0.1
pF
Ω
dB
ms
ms
±0.3
MIN
TYP
200
120
110
50
+20
+50
+100
±0.3
±1.7
±2.7
%
±1.7
±2.7
V/V
MAX
UNITS
V
RS+
= 12V,
V
CC
= 12V,
C
LOAD
= 10pF
kHz
OUT Settling Time to 1% of
Final Value
Capacitive Load Stability
OUT Output Resistance
Power-Supply Rejection
Power-Up Time to 1% of Final
Value
Saturation Recovery Time
(Note 8)
COMPARATOR
(Note 9)
Comparator Threshold
Comparator Hysteresis
Input Bias Current
Propagation Delay
Output Low Voltage
V
OL
I
B
V
TH
No sustained oscillations
T
A
= +25°C
T
A
= T
MIN
to T
MAX
590
586
600
-9
±2.2
610
614
±15
mV
mV
nA
µs
C
L
= 10pF, R
L
= 10kΩ pull-up to 5V,
5mV of overdrive
I
SINK
= 1mA
4
0.6
V
www.maximintegrated.com
Maxim Integrated | 3
MAX4373/MAX4374/MAX4375
Low-Cost, Micropower, High-Side
Current-Sense Amplifier +
Comparator + Reference ICs
Electrical Characteristics (continued)
(V
CC
= +2.7V to +28V, V
RS+
= 0 to +28V, V
SENSE
= 0V, V
RESET
= 0V, R
LOAD
= 1MΩ, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Output High Leakage Current
RESET
Input High Voltage
RESET
Input Low Voltage
Logic Input Current
Minimum
RESET
Pulse Width
RESET
Propagation Delay
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 11:
V
IH
V
IL
I
IL
, I
IH
t
RPW
t
RPD
V
IL
= 0, V
IH
= 5.5V, V
CC
= 28V
-0.5
1.5
3
SYMBOL
CONDITIONS
V
CC
= 28V, V
PULL-UP
= 5V (Note 10)
2.0
0.8
0.5
MIN
TYP
MAX
1
UNITS
µA
V
V
µA
µs
µs
All devices are 100% production tested at T
A
= +25°C. All temperature limits are guaranteed by design.
Guaranteed by PSR test.
Guaranteed by OUT Voltage Error test.
Guaranteed by Gain Accuracy test. Output voltage is internally clamped not to exceed 12V.
Total OUT Voltage Error and Full-Scale Accuracy are the sum of gain and offset voltage errors.
Measured at I
OUT
= -500µA (R
LOAD
= 4kΩ for gain of +20V/V, R
LOAD
= 10kΩ for gain of +50V/V, R
LOAD
= 20kΩ for gain of
+100V/V).
+6.25mV = 1/16 of +100mV full-scale voltage.
The device will not experience phase reversal when overdriven.
All comparator tests are done with V
RS+
= +12V.
V
PULL-UP
is defined as an externally applied voltage through a resistor to pull up the comparator output.
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NXP MCU
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