TS4962_10 STMICROELECTRONICS [STMicroelectronics], TS4962_10 Datasheet

TS4962_10

Manufacturer Part Number

TS4962_10

Description

2.8 W filter-free mono class D audio power amplifier

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.TS4962_10.pdf (44 pages)

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Features

■

Applications

■

Description

The TS4962 is a differential class-D BTL power

amplifier. It can drive up to 2.2 W into a 4 Ω load

and 1.4 W into an 8 Ω load at 5 V. It achieves

outstanding efficiency (88% typ.) compared to

standard AB-class audio amps.

January 2010

Operating from V

Standby mode active low

Output power: 2.8 W into 4 Ω and 1.7 W into

8 Ω with 10% THD+N maximum and 5 V power

supply

Output power: 2.2 W at 5 V or 0.7 W at 3.0 V

into 4 Ω with 1% THD+N maximum

Output power: 1.4 W at 5 V or 0.5 W at 3.0 V

into 8 Ω with 1% THD+N maximum

Adjustable gain via external resistors

Low current consumption 2 mA at 3 V

Efficiency: 88% typical

Signal to noise ratio: 85 dB typical

PSRR: 63 dB typical at 217 Hz with 6 dB gain

PWM base frequency: 280 kHz

Low pop & click noise

Thermal shutdown protection

Available in DFN8 3 x 3 mm package

Cellular phones

PDAs

Notebook PCs

= 2.4 V to 5.5 V

2.8 W filter-free mono class D audio power amplifier

Doc ID 10968 Rev 8

The gain of the device can be controlled via two

external gain setting resistors. Pop & click

reduction circuitry provides low on/off switch noise

while allowing the device to start within 5 ms. A

standby function (active low) enables the current

consumption to be reduced to 10 nA typical.

TS4962IQT pinout

DFN8 3 x 3 mm

EXPOSED

PAD

TS4962

www.st.com

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