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Description

The TS2007FC is a class D power audio amplifier. Able to drive up to 1.4 W into an 8 Ω load at 5 V, it achieves better efficiency than typical class AB audio power amplifiers.

This device can switch between two gain settings, 6 dB or 12 dB via a logic signal on the gain select pin. Pop and click reduction circuitry provides low on/off switch noise and allows the device to start within 1 ms typically.

A standby mode function (active low) keeps the current consumption down to 1 μA typical.

The TS2007FC is available in a 9-bump flip-chip lead-free package.

Features

■ Operates from VCC=2.4 V to 5.5 V

■ Standby mode active low

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

into 8 Ω with 1 THD+N max.

■ Output power: 2.3 W at 5V or 0.75 W at 3.0 V

into 4 Ω with 1 THD+N max.

■ Two fixed gain selects: 6 dB or 12 dB

■ Low current consumption

■ Efficiency: 86 typical

■ Signal-to-noise ratio: 90 dB typical

■ PSRR: 68 dB typical at 217 Hz with 6 dB gain

■ PWM base frequency: 280 kHz

■ Low pop and click noise

■ Thermal shutdown protection

■ Output short-circuit protection

■ Flip-chip lead-free 9-bump package with back coating in option.

Applications

■ Cellular phone

■ PDA

■ Notebook PC