LMP8481 datasheet(6/29 Pages) TI

6 / 29 page

LMP8480, LMP8481

SNVS829C – MARCH 1999 – REVISED SEPTEMBER 2015

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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,

IOUT (sinking) = 10 µA

VCC = VRSP = 48 V, VSENSE = –1 V,

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

VCC = VRSP = 4.5 V, VSENSE = –1 V,

IOUT (sinking) = 10 µA

VOMIN

Minimum Output Voltage

VCC = VRSP = 48 V, VSENSE = –1 V,

IOUT (sinking) = 100 µA

VCC = VRSP = 48 V, VSENSE = –1 V,

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

VCC = VRSP = 4.5 V, VSENSE = –1 V,

IOUT (sinking) = 100 µA

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

VOLOAD

Output voltage with load

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

ICC

Supply Current

µA

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

155

–40°C

≤ TA ≤ 125°C

–3 dB Bandwidth

RL = 10 M, CL = 20 pF

270

kHz

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

Slew rate(7)

V/µs

CL = 20 pF

eni

Input Referred Voltage Noise

f = 1 kHz

nV/

√Hz

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

tSETTLE

µs

Value

10 mV

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

tPU

Power-up Time

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

µs

overdriven.

CLOAD

Max Output Capacitance Load

No sustained oscillations

500

(7)

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

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