TS4994FC datasheet(5/35 Pages) STMICROELECTRONICS

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TS4994FC

Electrical characteristics

5/35

Electrical characteristics

Table 3.

Electrical characteristics for VCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise

specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply current

No input signal, no load

ISTBY

Standby current

No input signal, VSTBY = VSM = GND, RL = 8Ω

No input signal, VSTBY = VSM = VCC, RL = 8Ω

1000

Voo

Differential output offset voltage

No input signal, RL = 8Ω

0.1

VICM

Input common mode voltage

CMRR

≤ -60dB

0.6

VCC -0.9

Pout

Output power

THD = 1% Max, F= 1kHz, RL = 8Ω

0.8

1.2

THD + N

Total harmonic distortion + noise

Pout =850mW rms, AV =1, 20Hz ≤ F ≤ 20kHz, RL =8Ω

0.5

PSRRIG

Power supply rejection ratio with inputs grounded(1)

F = 217Hz, R = 8

Ω, AV = 1, Cin = 4.7μF, Cb =1μF

Vripple = 200mVPP

100

CMRR

Common mode rejection ratio

F = 217Hz, RL = 8Ω, AV = 1, Cin = 4.7μF, Cb =1μF

Vic = 200mVPP

SNR

Signal-to-noise ratio (A-weighted filter, AV = 2.5)

RL = 8Ω, THD +N < 0.7%, 20Hz ≤ F ≤ 20kHz

100

GBP

Gain bandwidth product

RL = 8Ω

2MHz

Output voltage noise, 20Hz

≤ F ≤ 20kHz, RL = 8Ω

Unweighted, AV = 1

A-weighted, AV = 1

Unweighted, AV = 2.5

A-weighted, AV = 2.5

Unweighted, AV = 7.5

A-weighted, AV = 7.5

Unweighted, Standby

A-weighted, Standby

5.5

10.5

1.5

μVRMS

tWU

Wake-up time(2)

Cb =1μF

Dynamic measurements - 20*log(rms(Vout)/rms (Vripple)). Vripple is the super-imposed sinus signal relative to VCC.

Transition time from standby mode to fully operational amplifier.

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