友达音频功率放大芯片,适合10W左右的音频功放。
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YOUDA INTEGRATED CIRCUIT YD8227 LOW FREQUENCY POWER AMPLIFIERYD8227 DESCRIPTION The YD8227P is the audio power amplifier with builtin two channels developed for portable radio cassette tape recorder with power ONOFF switch FUNCTIONS Wide operating supply voltage Vcc512V Low quiescent supply current ICC21mA typicalat Vcc9V Vi0 Output power Po250WCH at Vcc9V RL4 f1kHz THD10 Soft clip Builtin Thermal shutdown protection circuit Standby switch BLOCK DIAGRAM 12 11 10 ......
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