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YOUDA INTEGRATED CIRCUIT
YD7368
0. 72W AUDIO POWER AMPLIFIER—YD7368
DESCRIPTION
The YD7368 is suitable for audio power amplifier of portable cassette tape recorder and radio.
FEATURES
*Very few external components (only three capacitors); *Low quiescent current; *High voltage gain: Gv=40dB;
BLOCK DIAGRAM
+ FILTER
1
FIL 2
3
PHASE 4
GND 5
GND 6
7
NC 8
Vcc 9
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com SHENZHEN OFFICE Tel: 86-755-83740369 Fax: 86-755-83741418 Ver 5.0 1 of 3 2006-06-28
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YOUDA INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Output Peak Current Power dissipation Operating Temperature Storage Temperature
YD7368 (Tamb=25℃)
VALUE 14 1.5 900 -20 to +75 -55 to 150 UNIT V A mW ℃ ℃
SYMBOL Vcc Iop PD Topr Tstg
ELECTRICAL CHARACTERISTICS
(Tamb=25℃,Vcc=6V, RL=4Ω,Rg=600Ω,f=1kHz,Unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS Vcc=3V, Vi=0 Quiescent Circuit Current Iccq Vcc=6V, Vi=0 Vcc=9V, Vi=0 Vcc=3V, RL=4Ω, THD=10% Vcc=6V, RL =4Ω, THD=10% Output Power Po Vcc=6V, RL =8Ω, THD=10% Vcc=9V, RL =8Ω, THD=10% Vcc=9V, RL =16Ω, THD=10% Total Harmonic Distortion Voltage Gain Output Noise Voltage Ripple Rejection Input Resistance THD Gv VNO RR Zi Po=100mW Vo=0.5mVrms RG=10kΩ, BPF=20Hz~20kHz f=100Hz, Vr=0.3Vrms, without Crip 37 500 300 800 450 MIN TYP 5.5 6.6 7.5 120 720 450 1100 610 0.3 40 0.2 25 27 1.0 43 0.5 % dB mV dB kΩ mW mA MAX UNIT
WuXi YouDa Electronics Co., Ltd
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YOUDA INTEGRATED CIRCUIT
APPLICATION CIRCUIT
VCC
YD7368
+
2
+ 100μ
9 FILTER 8 4
0.01μ 220μ
+ 47μ
1 3
+ 7 0.1μ + 470μ
SPEAKER
+ 100μ
5
6
OUTLINE DRAWING
WuXi YouDa Electronics Co., Ltd
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