Single/Dual/Quad, High-Side Current-Sense

Amplifiers with Internal Gain

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implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

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is a registered trademark of Maxim Integrated Products.

TOP VIEW

RS-

N.C.

OUT

1

2

8

7

RS+

N.C.

N.C.

GND

3

4

6

5

MAX4376

SO

RS2-

RS2+

GND

1

2

8

7

OUT2

RS1-

RS1+

OUT1

3

4

6

5

MAX4377

µMAX/SO

RS4+

GND

1

2

14

13

OUT4

RS4-

RS1-

RS1+

OUT1

3

4

12

11

MAX4378

SO/TSSOP

5

6

RS2-

OUT2

RS2+

7

OUT3

10

9

RS3+

RS3-

8

MAX4376T/F/H

0 TO +28V

OUT

GND

RS+

+3V TO +28V

RS-

LOAD/

BATTERY

A/D

CONVERTER

0.1

µF

Typical Operating Circuit

Ordering Information (continued)

PART

GAIN

(+V/V)

TEMP

RANGE

PIN-

PACKAGE

TOP

MARK

MAX4377TAUA

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

—

MAX4378TAUD

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

0 TO +18V

OUT

GND

RS+

+3V TO +28V

0.1

µF

RS-

LOAD/

BATTERY

LOW-COST

SWITCHING

REGULATOR

MAX1745

Figure 3. Current Source

Chip Information

MAX4376_ TRANSISTOR COUNT: 162

MAX4377_ TRANSISTOR COUNT: 324

MAX4378_ TRANSISTOR COUNT: 648

PROCESS: BiCMOS

Pin Configurations (continued)