MAX4377 datasheet(6/11 Pages) MAXIM

Part #	MAX4377

Description	Single/Dual/Quad, High-Side Current-Sense Amplifiers with Internal Gain

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Manufacturer	MAXIM [Maxim Integrated Products]

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MAX4376/MAX4377/MAX4378

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

Amplifiers with Internal Gain

6

Maxim Integrated

Pin Description

MAX4376

MAX4377

MAX4378

SOT23-5

SO-8

µMAX-8/

SO-8

SO-14/

TSSOP-14

NAME

FUNCTION

1

4

1, 7

1, 7, 8, 14

OUT, OUT_

Output Voltage. VOUT_ is proportional to the magnitude of

the sense voltage (VRS+ - VRS-). VOUT_ is approximately

zero when VRS - > VRS - + (no phase reversal).

2

3

4

11

GND

Ground

31

8

4

VCC

Supply Voltage

4

8

3, 5

3, 5, 10, 12

RS+, RS_+

Power connection to the external sense resistor

5

6

2, 6

2, 6, 9, 13

RS-, RS_-

Load-side connection to the external sense resistor

—

2, 5, 7

—

N.C.

No Connection. Not internally connected.

2

µs/div

MAX4376H

LARGE-SIGNAL TRANSIENT RESPONSE

(VSENSE = 6mV to 100mV)

IN

45mV/div

OUT

3V/div

6mV

100mV

10V

0.6V

CL = 15pF

RL = 5k

Ω

0

1.E+04

1.E+07

1.E+06

1.E+05

SMALL-SIGNAL GAIN

vs. FREQUENCY

15

5

35

25

45

20

10

40

30

FREQUENCY (Hz)

MAX4376T

MAX4376F

MAX4376H

TIME (500ns)

OVERDRIVE RESPONSE

AV = +20V/V

IN

200mV/div

OUT

2V/div

350mV

750mV

VOH

7V

MAX4376/7/8 toc16

0

100

50

200

150

350

300

250

400

OUTPUT LOW

vs. TEMPERATURE

TEMPERATURE (

°C)

-50

-25

0

25

50

75

100

125

MAX4376H

MAX4376F

MAX4376T

Typical Operating Characteristics (continued)

(VCC = VRS+ = 12V, VSENSE = 100mV, TA = +25

°C.)

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Similar Description - MAX4377

Manufacturer	Part #	Datasheet	Description
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