TS2012 datasheet(11/30 Pages) STMICROELECTRONICS

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TS2012

Electrical characteristics

11/30

Table 7.

VCC = +2.5V, GND = 0V, Vic=1.25V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply current

No input signal, no load, both channels

2.8

ISTBY

Standby current

No input signal, VSTBY = GND

0.2

µA

Voo

Output offset voltage

Floating inputs, G = 6dB, RL = 8Ω

Output power

THD + N = 1% max, f = 1kHz, RL = 4Ω

THD + N = 1% max, f = 1kHz, RL = 8Ω

THD + N = 10% max, f = 1kHz, RL = 4Ω

THD + N = 10% max, f = 1kHz, RL = 8Ω

0.53

0.32

0.75

0.45

THD + N

Total harmonic distortion + noise

Po = 0.2W, G = 6dB, f =1kHz, RL = 8Ω

0.04

Efficiency

Efficiency per channel

Po = 0.53W, RL = 4Ω +15µH

Po = 0.32W, RL = 8Ω+15µH

PSRR

Power supply rejection ratio with inputs grounded

Cin=1µF

(1),f = 217Hz, R

L = 8Ω, Gain=6dB,

Vripple = 200mVpp

Crosstalk

Channel separation

Po = 0.2W, G = 6dB, f =1kHz, RL = 8Ω

CMRR

Common mode rejection ratio

Cin=1µF, f = 217Hz, RL = 8Ω, Gain=6dB,

ΔVICM = 200mVpp

Gain

Gain value

G1 = G0 = VIL

G1 = VIL & G0 = VIH

G1 = VIH & G0 = VIL

G1 = G0 = VIH

5.5

11.5

17.5

23.5

6.5

12.5

18.5

24.5

Zin

Single ended input impedance

All gains, refered to ground

FPWM

Pulse width modulator base frequency

190

280

370

kHz

SNR

Signal to noise ratio (A-weighting)

Po = 0.3W, G = 6dB, RL = 8Ω

tWU

Wake-up time

tSTBY

Standby time

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