Datasheet

MAX4376/MAX4377/MAX4378
Single/Dual/Quad, High-Side Current-Sense
Amplifiers with Internal Gain
9
Maxim Integrated
TOP VIEW
RS-
N.C.OUT
1
2
8
7
RS+
N.C.N.C.
GND
V
CC
3
4
6
5
MAX4376
SO
RS2-
RS2+GND
1
2
8
7
V
CC
OUT2RS1-
RS1+
OUT1
3
4
6
5
MAX4377
µMAX/SO
RS4+
GNDV
CC
1
2
14
13
OUT4
RS4-RS1-
RS1+
OUT1
3
4
12
11
MAX4378
SO/TSSOP
5
6RS2-
OUT2
RS2+
7
OUT3
10
9
RS3+
RS3-
8
+++
MAX4376T/F/H
R
SENSE
0 TO +28V
I
LOAD
V
SENSE
V
CC
OUT
GND
RS+
+3V TO +28V
RS-
LOAD/
BATTERY
A/D
CONVERTER
0.1µF
Typical Operating Circuit
Ordering Information (continued)
PART
GAIN
(
+V/V
)
TEMP
RANGE
PIN-
PACKAGE
TOP
MARK
MAX4377 T AUA+
20 -40°C to +125°C
8 µMAX —
MAX4377FAUA+
50 -40°C to +125°C
8 µMAX —
MAX4377HAUA+
100 -40°C to +125°C
8 µMAX —
MAX4377TASA+
20 -40°C to +125°C
8 SO —
MAX4377FASA+
50 -40°C to +125°C
8 SO —
MAX4377HASA+
100 -40°C to +125°C
8 SO —
MAX4378 T AUD+
20 -40°C to +125°C 14 TSSOP
—
MAX4378FAUD+
50 -40°C to +125°C 14 TSSOP
—
MAX4378HAUD+
100 -40°C to +125°C 14 TSSOP
—
MAX4378TASD+
20 -40°C to +125°C
14 SO —
MAX4378FASD+
50 -40°C to +125°C
14 SO —
MAX4378HASD+
100 -40°C to +125°C
14 SO —
MAX4376
R
SENSE
I
LOAD
0 TO +18V
V
SENSE
V
CC
OUT
V
IN
GND
RS+
+3V TO +28V
0.1µF
RS-
LOAD/
BATTERY
LOW-COST
SWITCHING
REGULATOR
MAX1745
Figure 3. Current Source
Chip Information
PROCESS: BiCMOS
Pin Configurations (continued)
+ Denotes a lead(Pb)-free/RoHS-compliant package.