TS4994 datasheet(5/31 Pages) STMICROELECTRONICS

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Electrical Characteristics

TS4994

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Table 4.

Electrical Characteristics: VCC = +3.3V (all electrical values are guaranteed with correlation

measurements at 2.6V and 5V) GND = 0V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply Current No input signal, no load

ISTANDBY

Standby Current

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

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

1000

Voo

Differential Output Offset Voltage

No input signal, RL = 8

Ω

0.1

VICM

Input Common Mode Voltage

CMRR

≤ -60dB

0.6

VCC- 0.9

Output Power

THD = 1% Max, F= 1kHz, RL = 8

Ω

300

380

THD + N

Total Harmonic Distortion + Noise

Po = 300mW rms, Av = 1, 20Hz

≤ F ≤ 20kHz, RL = 8Ω

0.5

PSRRIG

Power Supply Rejection Ratio with Inputs Grounded1

F = 217Hz, R = 8

Ω, Av = 1, Cin = 4.7µF, Cb =1µF

Vripple = 200mVPP

100

CMRR

Common Mode Rejection Ratio

F = 217Hz, RL = 8

Ω, 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 Time2

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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