LMP8640HVMKE-H datasheet(3/16 Pages) NSC

Part #	LMP8640HVMKE-H

Description	Precision High Voltage Current Sense Amplifier

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Manufacturer	NSC [National Semiconductor (TI)]

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Symbol

Parameter

Condition

Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

R

IN

Differential Mode Input Impedance

(Note 9)

5

k

Ω

I

S

Supply Current

V

CM = 2.1V

420

600

800

µA

V

CM = −2V

2000

2500

2750

V

OUT

Maximum Output Voltage

V

CM = 2.1V

2.65

V

Minimum Output Voltage

LMP8640-T LMP8640HV-T

V

CM = 2.1V

18.2

mV

LMP8640-F LMP8640HV-F

V

CM = 2.1V

40

LMP8640-H LMP8640HV-H

V

CM = 2.1V

80

C

LOAD

Max Output Capacitance Load

(Note 9)

30

pF

5V Electrical Characteristics (Note 4)

Unless otherwise specified, all limits guaranteed for at T

A = 25°C, VS=V

+ – V-, V

SENSE= +IN-(-IN), V

+ = 5V, V− = 0V, −2V < V

CM <

76V, R

L = 10MΩ. Boldface limits apply at the temperature extremes.

Symbol

Parameter

Condition

Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

V

OS

Input Offset Voltage

V

CM = 2.1V

-900

-1160

900

1160

µV

TCV

OS

Input Offset Voltage Drift

(Note 7, Note 9)

V

CM = 2.1V

2.6

μV/°C

I

B

Input Bias Current (Note 10)

V

CM = 2.1V

13

21

28

μA

e

ni

Input Voltage Noise (Note 9)

f > 10 kHz

117

nV/

Gain A

V

Fixed Gain LMP8640-T

LMP8640HV-T

20

V/V

Fixed Gain LMP8640-F

LMP8640HV-F

50

V/V

Fixed Gain LMP8640-H

LMP8640HV-H

100

V/V

Gain error

V

CM = 2.1V

-0.25

-0.51

0.25

0.51

%

Accuracy over temperature

(Note 9)

−40°C to 125°C, V

CM=2.1V

26.2

ppm/°C

PSRR

Power Supply Rejection Ratio

V

CM = 2.1V, 2.7V < V

+ < 12V,

85

dB

CMRR

Common Mode Rejection Ratio

LMP8640HV 2.1V < V

CM < 42V

LMP8640 2.1V < V

CM< 42V

103

dB

LMP8640HV 2.1V < V

CM < 76V

95

-2V <V

CM < 2V,

60

BW

Fixed Gain LMP8640-T

LMP8640HV-T (Note 9)

DC V

SENSE = 67.5 mV,

C

L = 30 pF ,RL= 1MΩ

950

kHz

Fixed Gain LMP8640-F

LMP8640HV-F(Note 9)

DC V

SENSE =27 mV,

C

L = 30 pF ,RL= 1MΩ

450

Fixed Gain LMP8640-H

LMP8640HV-H(Note 9)

DC V

SENSE = 13.5 mV,

C

L = 30 pF ,RL= 1MΩ

230

3

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LMP8640HVMKE-H Datasheet(PDF) 3 Page - National Semiconductor (TI)

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