LMP8481MM-H datasheet(6/29 Pages) TI1

Part #	LMP8481MM-H

Description	High-Side Current Sense Amplifiers With Voltage Output

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Manufacturer	TI1 [Texas Instruments]

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LMP8480, LMP8481

SNVS829C – MARCH 1999 – REVISED SEPTEMBER 2015

www.ti.com

Electrical Characteristics (continued)

Unless otherwise specified, all limits specified for at TA = 25°C, VCC = 4.5 V to 76 V, 4.5V VCM 76 V, RL = 100 k, VSENSE =

(VRSP – VRSN) = 0 V.

(1)

PARAMETER

TEST CONDITIONS

MIN(2)

TYP(3)

MAX(2)

UNIT

VCC = VRSP = 48 V, VSENSE = –1 V,

3

IOUT (sinking) = 10 µA

VCC = VRSP = 48 V, VSENSE = –1 V,

15

IOUT (sinking) = 10 µA, –40°C ≤ TA ≤ 125°C

VCC = VRSP = 4.5 V, VSENSE = –1 V,

3

IOUT (sinking) = 10 µA

VOMIN

Minimum Output Voltage

mV

VCC = VRSP = 48 V, VSENSE = –1 V,

18

IOUT (sinking) = 100 µA

VCC = VRSP = 48 V, VSENSE = –1 V,

55

IOUT (sinking) = 100 µA, –40°C ≤ TA ≤ 125°C

VCC = VRSP = 4.5 V, VSENSE = –1 V,

18

IOUT (sinking) = 100 µA

VCC = 28 V, VRSP=28 V, VSENSE= 600 mV,

VOLOAD

Output voltage with load

12

V

I OUT (sourcing) = 500 µA

VCC = 20, VRSP = 16, VOUT = 12,

VOLREG

Output Load Regulation

0.001%

ΔIL = 200 na to 8 mA

VOUT = 2 V, RL = 10 M, VCC = VRSP = 76 V

88

ICC

Supply Current

µA

VOUT = 2 V, RL = 10 M, VCC = VRSP = 76 V,

155

–40°C

≤ TA ≤ 125°C

BW

–3 dB Bandwidth

RL = 10 M, CL = 20 pF

270

kHz

VSENSE from 10 mV to 80 mV, RL = 10 M,

SR

Slew rate(7)

1

V/µs

CL = 20 pF

eni

Input Referred Voltage Noise

f = 1 kHz

95

nV/

√Hz

Output Settling Time to 1% of Final VSENSE = 10 mV to 100 mV and 100 mV to

tSETTLE

20

µs

Value

10 mV

VCC = VRSP = 48 V, VSENSE = 100 mV,

tPU

Power-up Time

50

µs

output to 1% of final value

Output settles to 1% of final value, the device

tRECOVERY

Saturation Recovery Time

will not experience phase reversal when

50

µs

overdriven.

CLOAD

Max Output Capacitance Load

No sustained oscillations

500

pF

(7)

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

6

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