TL972IP datasheet(4/13 Pages) TI

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Electrical Characteristics

TL971, TL972, TL974

OUTPUT RAIL-TO-RAIL VERY-LOW-NOISE OPERATIONAL AMPLIFIERS

SLOS467A – OCTOBER 2006 – REVISED OCTOBER 2006

CC+ = 2.5 V, VCC– = –2.5 V, full-range TA = –40°C to 125°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

°C

VIO

Input offset voltage

Full range

αV

Input offset voltage drift

VICM = 0 V, VO = 0 V

°C

µV/°C

IIO

Input offset current

VICM = 0 V, VO = 0 V

°C

150

°C

200

750

IIB

Input bias current

VICM = 0 V, VO = 0 V

Full range

1000

VICM

Common-mode input voltage

°C

–1.35

1.35

CMRR

Common-mode rejection ratio

VICM = ±1.35 V

°C

SVR

Supply-voltage rejection ratio

VCC = ±2 V to ±3 V

°C

AVD

Large-signal voltage gain

RL = 2 kΩ

°C

VOH

High-level output voltage

RL = 2 kΩ

°C

2.4

VOL

Low-level output voltage

RL = 2 kΩ

°C

–2.4

–2

°C

1.3

1.5

Isource

Output source current

VCC = 2.5 V

Full range

°C

Isink

Output sink current

VCC = 2.5 V

Full range

°C

2.8

ICC

Supply current (per amplifier)

Unity gain, No load

Full range

3.2

GBWP

Gain bandwidth product

f = 100 kHz, RL = 2 kΩ, CL = 100 pF

°C

8.5

MHz

°C

3.5

Slew rate

AV = 1, VIN = ±1 V

µs

Full range

Φm

Phase margin at unity gain

RL = 2kΩ, CL =100 pF

°C

Gain margin

RL = 2kΩ, CL =100 pF

°C

Equivalent input noise voltage

f = 100 kHz

°C

nV/

√Hz

THD

Total harmonic distortion

f = 1 kHz, Av = –1, RL = 10 kΩ

°C

0.003

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