YD8227 Wuxi Youda electronics, YD8227 Datasheet

Page 1

... YOUDA INTEGRATED CIRCUIT LOW FREQUENCY POWER AMPLIFIER—YD8227 DESCRIPTION The YD8227P is the audio power amplifier with built-in two channels developed for portable radio cassette tape recorder with power ON/OFF switch. FUNCTIONS *Wide operating supply voltage: Vcc=5～12V; *Low quiescent supply current (I *Output power: Po=2.50W/CH at Vcc=9V, R *Soft clip ...

Page 2

... THD=10 THD=10%, R THD Po=0.4W/CH Rf=120Ω V =0.775V O Gv Rf=0Ω V =0.775V O Zi f=1kHz Rg=10kΩ BPF=20Hz～20KHz RR f=100Hz Rg=600Ω CT Vo=0.775V V 7-8 I SBY YD8227 VALUE UNIT 20 V 2.5 A 4.0 W -25 to +75 ℃ -55 to +150 ℃ MIN TYP MAX 21 45 =4Ω 2.0 2.5 L =3Ω 3.0 L 0.2 1.0 ...

Page 3

... DataSheet U .com Stand- 100μ 4.7μ 120Ω 100μ 47μ 4.7μ 120Ω 100μ 4 TAB YD8227 Vcc + 470μ 0.01μ 100μ 470μ 0.1μ SPEAKER 4.7Ω 100μ 470μ 0.1μ SPEAKER 4.7Ω Website: www.e-youda.com ...

Page 4

... YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 4 DataSheet U .com YD8227 Website: www.e-youda.com ...