TS4962(2007) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

TS4962
(Rev.:2007)

2.8W filter-free mono class D audio power amplifier

STMicroelectronics 

TS4962

Electrical characteristics

Table 10.

Symbol

Electrical characteristics at VCC +2.4V

with GND = 0V, Vicm = 1.2V, Tamb = 25°C (unless otherwise specified)

Parameter

Min. Typ. Max. Unit

Supply current

ICC

No input signal, no load

1.7

mA

ISTBY

Standby current (1)

No input signal, VSTBY = GND

10

nA

Output offset voltage

Voo

No input signal, RL = 8Ω

3

mV

Output power, G=6dB

THD = 1% Max, f = 1kHz, RL = 4Ω

Pout

THD = 10% Max, f = 1kHz, RL = 4Ω

THD = 1% Max, f = 1kHz, RL = 8Ω

THD = 10% Max, f = 1kHz, RL = 8Ω

0.42

0.61

W

0.3

0.38

Total harmonic distortion + noise

THD + N Pout = 150 mWRMS, G = 6dB, 20Hz < f < 20kHz

1

%

RL = 8Ω + 15µH, BW < 30kHz

Efficiency

Efficiency

Pout = 0.38 WRMS, RL = 4Ω +≥ 15µH

Pout = 0.25 WRMS, RL = 8Ω+≥ 15µH

77

%

86

Common mode rejection ratio

CMRR

f = 217Hz, RL = 8Ω, G = 6dB, ΔVic = 200mVpp

54

dB

Gain Gain value (Rin in kΩ)

-2---7---3----k---Ω---

Rin

3----0---0----k---Ω---

Rin

3----2---7----k---Ω---

Rin

V/V

RSTBY

FPWM

SNR

tWU

tSTBY

Internal resistance from standby to GND

Pulse width modulator base frequency

Signal to noise ratio (A-weighting)

Pout = 0.25W, RL = 8Ω

Wake-up time

Standby time

273 300 327

kΩ

280

kHz

80

dB

5

ms

5

ms

19/46

Share Link: