10W Audio Power Amplifier HD2003 HSiN Semiconductor Pte Ltd www.hsin.com.sg 1. Overview The HD2003 is a monolithic integrated circuit intended for use as audio power amplifier. The device provides high output current capability with low harmonic and cross-over distortion. Its features are: Few peripheral components required High reliability and stability Protection against AC and DC short TO-220-5 2. Block Diagram and Pin Description 2. 1 Block Diagram ＰＲＯＴＥＣＴ ＢＩＡＳ ＡＭＰ １ ２ ３ ４ ５ ＩＮ ＮＦ ＧＮＤ ＯＵＴ Ｖｃｃ 2. 2 Pin Description Pin No. 1 2 3 Symbol ININ+ GND Description Negative Input Positive Input Ground Pin No. 4 5 Page 1 of 4 Symbol OUT VCC Description Output VCC 3. Electrical Characteristics 3. 1 Absolute Maximum Ratings Unless otherwise specified, T amb = 25 Parameter Symbol DC Supply Voltage VCC 1 Operating Supply Voltage VCC 2 Power Dissipation at T CASE =90 PD Storage and Junction Temperature T stg , T j Value 28 18 20 -40~150 Unit V V W 3. 2 Electrical Characteristics Unless otherwise specified, T amb = 25 Parameter Symbol , VCC=14.4V Test Conditions Min Value Typ Max DC Characteristics, refer to DC test circuit Supply Voltage VCC 8 18 Quiescent Current (pin5) VOQ 44 50 Quiescent Output VO 6.1 6.9 7.7 Voltage(pin4) AC Characteristics, refer to AC test circuit, GV=40dB, f=1kHz Input Saturation Voltage VIS 300 THD THD PO =1W, RL =4 0.15 1 RL =4 5.5 6 RL =2 8.4 10 Output Power PO RL =3.2 7.5 RL =1.6 12 PO ==0.5W, RL =4 14 PO ==6W, RL =4 55 Input Sensitivity VI PO ==0.5W, RL =2 10 PO ==10W, RL =2 50 Frequency Response Fr PO =1W, RL =4 40 ~ 15000 Input Resistance RI 70 150 f=100Hz, Rg=10k Supply Voltage Rejection SVR 30 36 Vripple=0.5V,RL =4 Closed Loop Voltage Gain GV PO ==0.5W, RL =4 39.3 40 40.3 f=1kHz 80 Open Loop Voltage Gain GV f=10kHz 60 PO =6W, RL =4 69 Efficiency PO =10W, RL =4 65 Input Noise Voltage Vn 1 5 Input Noise Current In 60 200 Page 2 of 4 Unit V mA V mV % W mW Hz k dB dB dB % V pA 4. Test Circuit 4.1 DC Test Circuit Ｖｃｃ １００ｎＦ ｍＡ ５ １００ｎＦ １ １０００ Ｆ ＨＤ２００３ + ４ Ｖ ＲＬ ２２０ ２ ３ ２．２ + ４７０ Ｆ 4. 2 AC Test Circuit Ｖｃｃ + １００ Ｆ ５ Ｖｉ + １００ｎＦ １ １０ Ｆ ＨＤ２００３ １０００ Ｆ + ４ ３９ｎＦ ２ 220 Ω ３ １００ｎＦ 3 9Ω RＬ + ４７０ Ｆ 1Ω 2.2 Ω 5. Characteristics Curve Ｐｔｏｔ Ｔａｍｂ Ｐｏ Ｗ Ｇｖ＝４０ｄＢ ｆ＝１ＫＨｚ ＴＨＤ＝１０％ １５ １５ Ｏｕｔｐｕｔ Ｐｏｗｅｒ Ａｌｌｏｗａｂｌｅ Ｄｉｓｓｉｐａｔｉｏｎ Ｗ Ｉｎｆｉｎｉｔｅ Ｈｅａｔｓｉｎｋ １０ １０ Ｗ Ａｌ Ｈｅａｔｓｉｎｋ ３０ Ｗ Ａｌ Ｈｅａｔｓｉｎｋ ５ ０ ５０ １００ Ｐｏ Ｖｃｃ Ｒ ＝１．６ Ｌ ２ ３．２ １０ ４ ５ １５０ Ｔａｍｂ ０ Ａｍｂｉｅｎｔ Ｔｅｍｐｅｒａｔｕｒｅ ５ １０ １５ Ｓｕｐｐｌｙ Ｖｏｌｔａｇｅ Page 3 of 4 Ｖｃｃ Ｖ 6. Package Dimensions Page 4 of 4