TS2012IQT datasheet(7/30 Pages) STMICROELECTRONICS

部品番号	TS2012IQT

部品情報	Filter-free stereo 2x2.8W class D audio power amplifer

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TS2012

Electrical characteristics

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3

Electrical characteristics

3.1

Electrical characteristic tables

Table 5.

VCC = +5V, GND = 0V, Vic=2.5V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameters and test conditions

Min.

Typ.

Max.

Unit

ICC

Supply current

No input signal, no load, both channels

58

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

2.2

1.35

2.8

1.65

W

THD + N

Total harmonic distortion + noise

Po = 0.8W, G = 6dB, f =1kHz, RL = 8Ω

0.07

%

Efficiency

Efficiency per channel

Po = 2.2W, RL = 4Ω +15µH

Po = 1.25 W, RL = 8Ω+15µH

81

89

%

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 = 0.9W, G = 6dB, f =1kHz, RL = 8Ω

90

dB

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, refered 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 = 1.3W, G = 6dB, RL = 8Ω

99

dB

tWU

Wake-up time

1

3

ms

tSTBY

Standby time

1

ms

同様の部品番号 - TS2012IQT

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