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YOUDA INTEGRATED CIRCUIT
YD6283
DUAL AUDIO POWER AMPLIFIER-YD6283
DESCRIPTION
YD6283 is an audio power IC with built-in two channels developed for portable radio cassette tape recorder. Because of the parts reduction and SIP (Single In line Package), space merit is remarkable. Thermal shut down protection circuit is built in.
FEATURES
*High Power: Pout(1)=2.5W/CH (Typ.) (Vcc=9V, RL=4Ω, f=1kHz, THD=10%) Pout(2)=4.6W/CH (Typ.) (Vcc=12V, RL=4Ω, f=1kHz, THD=10%) *Low popping noise at power ON *Small quiescent current: Iccq=19mA(Typ.) (Vcc=9V, VIN=0) *Soft clip *Built-in thermal shut down protection circuit *Operation supply voltage range: Vcc=6V~15V *Best for supply voltage:9V, 12V.
BLOCK DIAGRAM
+ 20k 30Ω
BIAS AND THRMAL PROTECTION
30Ω
+ 20k
1
2
3
4
5
Pre-GND 6 7
8
Pw-GND 9 10
11
Vcc 12
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 4 2006-06-28
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YOUDA INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Output Peak Current Power Dissipation Infinite Heat Sink No Heat Sink (Tamb=25℃) SYMBOL VCC Iop PD Topr Tstg VALUE 20 2.5 12.5 2.0 -20~+75 -55~+150
YD6283
UNIT V A W ℃ ℃
Operating Temperature Storage Temperature
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VCC=9V, RL=4Ω, Rg=600Ω, f=1kHz, Tamb=25℃) PARAMETER Quiescent Current Output Power Total Harmonic Distortion Voltage Gain Input Resistance Output Noise Voltage Ripple Rejection Ratio Cross Talk Input Offset Voltage SYMBOL Iccq Po THD GV Zi VNO RR CT V5, V7 Rg=0 BW=20Hz~20kHz fRIP=100Hz Rg=600Ω Vr=0.2Vrms Rg=600Ω f=1kHz, Vo =0dBm TEST CONDITIONS Vin=0 THD=10%, Vcc=12V,THD=10% POUT=1W/CH Rf=82Ω Vo=0dBm Rf=0 Vo=0dBm 43 2.0 MIN TYP 19 2.5 W 4.6 0.2 45 56 30 0.3 54 60 20 60 1.0 1.0 47 % dB kΩ mVs dB dB mV MAX 45 UNIT mA
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YOUDA INTEGRATED CIRCUIT
APPLICATION CIRCUIT
YD6283
12
Vcc + 1000μ 0.1μ 1
Vin1
+ *Cin 82Ω 47μ +
5 4
+ POWER AMP 1 30Ω 20k
+100μ + 1000μ 0.15μ
2
+
3 220μ
BIAS AND THERMAL PROTECTION 11
Vin2 +
+ *Cin 82Ω 47μ
7 8
30Ω
+ POWER AMP 2 20k 6 9
10
+ 100μ + 1000μ 0.15μ
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YOUDA INTEGRATED CIRCUIT
OUTLINE DRAWING
YD6283
WuXi YouDa Electronics Co., Ltd
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