Description
At 3.3 V, the TS4974 is a dual power audio amplifier capable of delivering 380 mW of continuous RMS output power into a 8 Ω bridged tied loads with 1% THD+N. An external standby mode control reduces the supply current to less than 2 µA. An internal over-temperature shutdown protection is provided.
Features
â Operates from VCC= 2.5 V to 5.5 V
â Zero pop & click
â 1 W output power @ VCC = 5 V, THD = 1%, F = 1 kHz, with 8 Ωload
â Ultra-low consumption in standby mode (2 µA max.)
â 85 dB PSRR @ 217Hz
â 16-step digital volume control
â Two discrete up and down volume control pins
â Gain range from -33 dB to + 12 dB
â Integrated debouncing system
â Ultra-fast start-up time: 15 ms typ.
â DFN10 3x3 mm (pitch 0.5)
Applications
â Mobile phones (cellular / cordless)
â PDAs
â Laptop/notebook computers
â Portable audio devices
|