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Description

The TS2007 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 outstanding efficiency compared to typical class AB audio power amplifiers.

This device allows switching between two different gains: 6 or 12dB via a logic signal on the GS pin. A pop & click reduction circuitry provides low on/off switching noise while allowing the device to start within 5 ms. A standby function (active low) allows lowering the current consumption down to 10 nA typ.

The TS2007 is available in DFN8 3 x 3 mm lead-free packages.

Features

■ Operating range from VCC = 2.4 V to 5.5 V

■ Standby mode active low

■ Output power: 1.4 W at 5 V or 0.45 W at 3.0 V

into 8 Ω with 1 THD+N max.

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

into 4 Ω with 1 THD+N max.

■ Fixed gain select: 6 dB or 12 dB

■ Low current consumption

■ Efficiency: 88 typ.

■ Signal-to-noise ratio: 94 dB typ.

■ PSRR: 63 dB typ at 217 Hz with 6 dB gain

■ PWM base frequency: 280 kHz

■ Low pop & click noise

■ Thermal shutdown protection

■ DFN8 3 x 3 mm package

Applications

■ Cellular phones

■ PDAs

■ Notebook PCs