TS4962IQT(2007) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS4962IQT
(Rev.:2007)

2.8W filter-free mono class D audio power amplifier

STMicroelectronics 

TS4962

Electrical characteristics

Table 6.

Symbol

Electrical characteristics at VCC = +4.2V with GND = 0V, Vicm = 2.1V, and

Tamb = 25°C (unless otherwise specified)(1)

Parameter

Min. Typ. Max. Unit

ICC

ISTBY

Voo

Pout

Supply current

No input signal, no load

Standby current (2)

No input signal, VSTBY = GND

Output offset voltage

No input signal, RL = 8Ω

Output power, G=6dB

THD = 1% Max, f = 1kHz, RL = 4Ω

THD = 10% Max, f = 1kHz, RL = 4Ω

THD = 1% Max, f = 1kHz, RL = 8Ω

THD = 10% Max, f = 1kHz, RL = 8Ω

2.1

3

mA

10 1000 nA

3

25

mV

1.5

1.95

W

0.9

1.1

Total harmonic distortion + noise

Pout = 600 mWRMS, G = 6dB, 20Hz < f < 20kHz

THD + N RL = 8Ω + 15µH, BW < 30kHz

2

%

Pout = 700mWRMS, G = 6dB, f = 1kHz

RL = 8Ω + 15µH, BW < 30kHz

0.35

Efficiency

Efficiency

Pout = 1.45 WRMS, RL = 4Ω +≥ 15µH

Pout = 0.9 WRMS, RL = 8Ω+≥ 15µH

78

%

88

Power supply rejection ratio with inputs grounded (3)

PSRR

dB

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

63

Common mode rejection ratio

CMRR

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

57

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 = 0.8W, RL = 8Ω

Wake-up time

Standby time

273 300 327

kΩ

200 280 360 kHz

85

dB

5

10

ms

5

10

ms

11/46

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