MAX4376TASA_12 datasheet(3/11 Pages) MAXIM

Part #	MAX4376TASA

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

3

Maxim Integrated

ELECTRICAL CHARACTERISTICS (continued)

(VRS+ = 0 to 28V, VSENSE = (VRS+ - VRS- ) = 0V, VCC = +3.0V to +28V, RL =

∞, TA = TMIN to TMAX, unless otherwise noted. Typical

values are at TA = 25

°C.) (Note 1)

Note 1: All devices are 100% production tested at TA = +25

°C. All temperature limits are guaranteed by design.

Note 2: Total OUT Voltage Error is the sum of gain and offset errors.

Note 3: 6.25mV = 1/16 of 100mV full-scale sense voltage.

Note 4: VSENSE such that VOUT is in saturation.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

VSENSE = 100mV

(gain = +20V/V)

2

VSENSE = 100mV

(gain = +50V/V)

1.7

VSENSE = 100mV

(gain = +100V/V)

1.2

Bandwidth

BW

VCC = 12V

VRS+ = 12V

CLOAD = 15pF

VSENSE = 6.25mV (Note 3)

0.5

MHz

Slew Rate

SR

VSENSE = 20mV to 100mV, CLOAD = 15pF

10

V/µs

MAX437_T

+20

MAX437_F

+50

Gain

AV

MAX437_H

+100

V/V

TA = TMIN to TMAX

±5.5

VSENSE = 10mV to

150mV, VCC = 12V,

IOUT = 2mA, gain = 20

and 50, VRS+ = 12V

TA = +25

°C

±0.5

±2.5

TA = TMIN to TMAX

5.5

Gain Accuracy

∆AV

VSENSE = 10mV to

150mV, VCC = 20V,

IOUT = 2mA, gain = 100,

VRS+ = 12V

TA = +25

°C

±0.5

±2.5

%

VSENSE = 6.25mV

to 100mV

400

OUT Setting Time to 1% of Final

Value

VCC = 12V, VRS+ = 12V,

CLOAD = 15pF

VSENSE = 100mV

to 6.25mV

800

ns

Maximum Capacitive Load

CLOAD

No sustained oscillation

1000

pF

Output Resistance

ROUT

VSENSE = 100mV

5

Ω

Power-Supply Rejection

PSR

VRS+ > 2V, VOUT = 1.6V, VCC = 3V to 28V

66

90

dB

Power-Up Time to 1% of Final

Value

VSENSE = 100mV, CLOAD = 15pF

2

µs

Saturation Recovery Time to

1% of Final Value

VCC = 12V, VRS+ = 12V, CLOAD = 15pF,

VSENSE = 100mV

1µs

Reverse Recovery Time to 1%

of Final Value

VCC = 12V, VRS_ = 12V, CLOAD = 15pF,

VSENSE = -100mV to +100mV

1µs

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