TS2007FC中文资料3 W无滤波D类音频功率放大器，支持6-12dB增益选择数据手册ST规格书

描述 Description

The TS2007FC is a class-D audio power 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. The pop and click reduction circuitry provides low on/off switching noise which allows the device to start within 1 ms typically.

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

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

特性 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 5 V 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 % typ.
• Signal-to-noise ratio: 90 dB typ.
• 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