TS2012 datasheet(9/30 Pages) STMICROELECTRONICS

Il numero della parte	TS2012

Spiegazioni elettronici	Filter-free stereo 2x2.8W class D audio power amplifer

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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TS2012

Electrical characteristics

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Table 6.

VCC = +3.6V, GND = 0V, Vic=1.8V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply current

No input signal, no load, both channels

3.3

6.5

mA

ISTBY

Standby current

No input signal, VSTBY = GND

0.2

2

µA

Voo

Output offset voltage

Floating inputs, G = 6dB, RL = 8Ω

25

mV

Po

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

1.15

0.68

1.3

0.9

W

THD + N

Total harmonic distortion + noise

Po = 0.4W, G = 6dB, f =1kHz, RL = 8Ω

0.05

%

Efficiency

Efficiency per channel

Po = 1.15W, RL = 4Ω +15µH

Po = 0.68W, RL = 8Ω+15µH

80

88

%

PSRR

Power supply rejection ratio with inputs grounded

Cin=1µF

(1),f = 217Hz, R

L = 8Ω, Gain=6dB,

Vripple = 200mVpp

70

dB

Crosstalk

Channel separation

Po = 0.5W, G = 6dB, f =1kHz, RL = 8Ω

90

CMRR

Common mode rejection ratio

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

ΔVICM = 200mVpp

70

dB

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

12

18

24

6.5

12.5

18.5

24.5

dB

Zin

Single ended input impedance

All gains, referred to ground

24

30

36

k

Ω

FPWM

Pulse width modulator base frequency

190

280

370

kHz

SNR

Signal to noise ratio (A-weighting)

Po = 0.65W, G = 6dB, RL = 8Ω

96

dB

tWU

Wake-up time

1

3

ms

tSTBY

Standby time

1

ms

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