LMP8640, LMP8640-Q1, LMP8640HV

www.ti.com

SNOSB28G – AUGUST 2010 – REVISED NOVEMBER 2014

Electrical Characteristics 5 V

(1) (continued)

Unless otherwise specified, all limits ensured for at TA = 25°C, VS= V

+ – V-, V

SENSE= +IN-(-IN), V

+ = 5 V, V− = 0 V, −2 V < V

CM

< 76 V, RL = 10 MΩ. LMP8640 electrical limits also apply to the LMP8640-Q1 unless noted.

PARAMETER

TEST CONDITIONS

MIN(2)

TYP(3)

MAX(2)

UNIT

Gain LMP8640-T LMP8640HV-T

20

Gain LMP8640-F LMP8640HV-F

50

V/V

Gain LMP8640-H LMP8640HV-H

100

Gain AV

VCM = 2.1 V

-0.25%

0.25%

Gain error

VCM = 2.1 V, Over Temperature

-0.51%

0.51%

Accuracy over temperature(5)

−40°C to 125°C, VCM=2.1 V

26.2

ppm/°C

PSRR

Power Supply Rejection Ratio

VCM = 2.1 V, 2.7V < V

+ < 12 V,

85

dB

LMP8640HV 2.1 V < VCM < 42 V

103

LMP8640 2.1 V < VCM< 42 V

CMRR

Common Mode Rejection Ratio

dB

LMP8640HV 2.1 V < VCM < 76 V

95

-2 V <VCM < 2 V,

60

Fixed Gain LMP8640-T

DC VSENSE = 67.5 mV,

950

LMP8640HV-T (5)

CL = 30 pF ,RL= 1 MΩ

Fixed Gain LMP8640-F

DC VSENSE =27 mV,

BW

450

kHz

LMP8640HV-F(5)

CL = 30 pF ,RL= 1 MΩ

Fixed Gain LMP8640-H

DC VSENSE = 13.5 mV,

230

LMP8640HV-H(5)

CL = 30 pF ,RL= 1MΩ

VCM =5 V, CL = 30 pF, RL = 1MΩ,

LMP8640-T LMP8640HV-T VSENSE = 200 mVpp,

SR

Slew Rate (7)(5)

1.6

V/µs

LMP8640-F LMP8640HV-F VSENSE = 80 mVpp,

LMP8640-H LMP8640HV-H VSENSE = 40 mVpp,

RIN

Differential Mode Input Impedance (5)

5

k

Ω

VCM = 2.1 V

500

722

VCM = 2.1 V, Over Temperature

922

IS

Supply Current

µA

VCM = −2 V

2050

2500

VCM = −2 V, Over Temperature

2750

Maximum Output Voltage

VCM = 2.1 V

4.95

V

LMP8640-T LMP8640HV-T

18.2

VCM = 2.1 V

VOUT

LMP8640-F LMP8640HV-F

Minimum Output Voltage

40

mV

VCM = 2.1 V

LMP8640-H LMP8640HV-H

80

VCM = 2.1 V

CLOAD

Max Output Capacitance Load(5)

30

pF

(7)

The number specified is the average of rising and falling slew rates and measured at 90% to 10%.

Copyright © 2010–2014, Texas Instruments Incorporated

Submit Documentation Feedback

7

Product Folder Links: LMP8640 LMP8640-Q1 LMP8640HV