TLV1012 datasheet(3/12 Pages) TI

номер детали	TLV1012

подробное описание детали	AMPLIFIER FOR HIGH-GAIN TWO-WIRE MICROPHONES

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5-V ELECTRICAL CHARACTERISTICS

TLV1012

www.ti.com .......................................................................................................................................... SLCS154A – OCTOBER 2008 – REVISED NOVEMBER 2008

VCC = 5 V, VIN = 18 mV, RL = 2.2 kΩ and CL = 2.2 µF (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

25°C

160

300

ICC

Supply current

VIN = GND

µA

Full range

325

SNR

Signal-to-noise ratio

f = 1 kHz, VIN = 18 mVPP, A-weighted

25°C

VIN

Maximum input signal

f = 1 kHz, THD+N < 1%

25°C

100

mVPP

25°C

4.34

4.56

4.74

VOUT

Output voltage

VIN = GND

Full range

4.28

4.80

fLOW

Lower –3-dB roll-off frequency

RSOURCE = 50 Ω

25°C

fHIGH

Upper –3-dB roll-off frequency

RSOURCE = 50 Ω

25°C

150

kHz

Output noise

A-weighted

25°C

–89

dBV

THD

Total harmonic distortion

f = 1 kHz, VIN = 18 mVPP

25°C

0.013

CIN

Input capacitance

25°C

ZIN

Input impedance

25°C

>1000

Ω

25°C

14.0

15.6

16.9

Gain

f = 1 kHz, RSOURCE = 50 Ω

Full range

13.1

17.5

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