Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 General Description Features The AA8227 is a monolithic dual audio power amplifier with built-in power on/off switch. It is designed for use in portable radio cassette, tape recorder and other audio products. · High Power: POUT=2.5W/CH (Typ) at RL=4Ω, VCC1=VCC2=9V, THD=10% · · · · · · Built-in Standby Switch Built-in Thermal Shutdown Protection Circuit Low Popping Noise at Power On Soft Clip Few External Components Operating Supply Voltage Range: 5 to 15 V Because it needs only few external components to work, an audio system adopting AA8227 will have a remarkable merit to save system space. This IC is available in HDIP-12 package. Applications · · · · · Mini 2.1-CH or 5.1-CH Audio Sound System PC External Audio Power Amplifier Portable Radio Cassette Tape Recorder Active Speaker HDIP-12 Figure 1. Package Type of AA8227 Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Pin Configuration PH Package (HDIP-12) VCC2 1 12 VCC1 OUT1 2 11 OUT2 BS1 3 10 BS2 PW_GND PW_GND FIN Pre_GND 4 9 RIPPLE NF1 5 8 NF2 IN1 6 7 IN2 FIN Figure 2. Pin Configuration of AA8227 (Top View) Pin Description Pin Number Pin Name Function 1 VCC2 Supply voltage 2 2 OUT1 Output of channel 1 3 BS1 4 Pre_GND Bootstrap of channel 1 5 NF1 Negative feedback of channel 1 6 IN1 Input of channel 1 7 IN2 Input of channel 2 8 NF2 Negative feedback of channel 2 9 RIPPLE 10 BS2 Prestage ground Ripple rejection Bootstrap of channel 2 11 OUT2 Output of channel 2 12 VCC1 Supply voltage 1 FIN PW_GND Power ground Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 2 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Functional Block Diagram VCC2 VCC1 1 12 3 IN1 NF1 6 + _ 5 CH1 45Ω RIPPLE IN2 NF2 7 + _ 8 OUT1 30kΩ BIAS CIRCUIT THERMAL SHUTDOWN PROTECTION CIRCUIT 9 2 BS1 CH2 45Ω FIN 11 10 30kΩ PW-GND OUT2 BS2 4 Pre-GND Figure 3. Functional Block Diagram of AA8227 Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 3 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Ordering Information AA8227 - Circuit Type E1: Lead Free Package PH: HDIP-12 Package Temperature Range HDIP-12 0 to 70 oC Part Number Marking ID Packing Type AA8227PH-E1 AA8227PH-E1 Tube BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit VCC1, VCC2 18 V IO (peak) 2.5 A Total Power Dissipation PD 4 W Operating Ambient Temperature TA -20 to 85 oC TSTG -50 to 150 oC Supply Voltage Peak Output Current (Each Channel) Storage Temperature Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Parameter Supply Voltage Operating Ambient Temperature Symbol Min Max Unit VCC1, VCC2 5 15 V TA 0 70 o Aug. 2006 Rev. 1. 0 C BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Electrical Characteristics (VCC1=VCC2=9V, TA=25oC, RL=4Ω, Rg=600Ω, f=1KHz, unless otherwise specified.) Parameter Symbol Conditions Min Typ Max Unit 15 V 45 mA Supply Voltage VCC Quiescent Current ICC VIN=0 21 V2, V11 VIN=0 4.5 V 2.5 W Quiescent Output Voltage Output Power (Each Channel) POUT Total Harmonic Distortion THD Closed Loop Voltage Gain GV 5 THD=10%, RL=4Ω 2.0 THD=10%, RL=3Ω 3.0 POUT=0.4W/CH 0.2 1.0 % 45 47 dB ±1 dB RNF=120Ω, VOUT=0.775Vrms 43 RNF=0Ω, VOUT=0.775Vrms 56.5 Channel Balance ∆GV 0.3 Input Resistance RI 30 kΩ Output Noise Voltage VNO Rg=10kΩ, BW=20 to 20kHz 0.3 Ripple Rejection Ratio PSRR f=100Hz 52 dB VOUT=0.775Vrms 50 dB Channel Separation CS Input Offset Voltage V6, V7 Standby Current ISTB Thermal Shutdown Junction Temperature TSD 30 1.0 60 mVrms mV 1 µA 175 oC SW1=off Typical Pin DC Voltage (VCC1=VCC2=9V, TA=25oC) Pin Number Pin Name DC Voltage (V) 1 VCC2 9 2 OUT1 4.5 3 BS1 8.7 4 Pre_GND GND 5 NF1 0.7 6 IN1 0.03 7 IN2 0.03 8 NF2 0.7 9 RIPPLE 5 10 BS2 8.7 11 OUT2 4.5 12 VCC1 9 Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 5 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Typical Performance Characteristics 100 Total Harmonic Distortion THD (%) VCC1=9V RL=4Ω f=1kHz RNF=120Ω VCC2=6V VCC2=5V VCC2=7V o 10 Total Harmonic Distortion THD (%) 100 TA=25 C VCC2=8V VCC2=9V 1 0.1 0.01 0.1 1 VCC1=VCC2=9V RL=4Ω RNF=120Ω 10 o TA=25 C 1 f=10KHz f=1KHz f=100Hz 0.1 0.01 0.01 10 0.1 1.2 100 f=1kHz RL=4Ω RNF=120Ω o TA=25 C VCC1=VCC2=6V 1 0.1 0.01 Output Noise Voltage VNO (mVrms) Total Harmonic Distortion THD (%) 10 Figure 5. Total Harmonic Distortion vs. Output Power Figure 4. Total Harmonic Distortion vs. Output Power 10 1 Output Power POUT (W) Output Power POUT (W) VCC1=VCC2=9V 0.1 1 VCC1=VCC2=9V RL=4Ω 1.0 RNF=120Ω BW=20 to 20kHz o TA=25 C 0.8 0.6 0.4 0.2 10 10 Output Power POUT (W) 100 1000 10000 100000 Signal Source Resistance Rg (Ω) Figure 7. Output Noise Voltage vs. Signal Source Resistance Figure 6. Total Harmonic Distortion vs. Output Power Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 6 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Typical Performance Characteristics (Continued) 0 80 Voltage Gain GV (dB) 60 Channel Separation CS (dB) VCC1=VCC2=9V RL=4Ω RNF=120Ω o TA=25 C 40 20 -20 -40 VCC1=VCC2=9V RL=4Ω Rg=600Ω RNF=120Ω VOUT=0.775Vrms -60 o TA=25 C 0 10 100 1000 10000 -80 10 100000 100 1k 10k Frequency f (Hz) Frequency f (Hz) Figure 9. Channel Separation vs. Frequency Figure 8. Voltage Gain vs. Frequency -20 VCC1=VCC2=9V f=1kHz RL=4Ω RNF=120Ω VOUT=0.775Vrms (0dBm) 5 o TA=25 C -40 -60 RL=4Ω f=1kHz THD=10% o TA=25 C 6 Output Power POUT (W) Channel Separation CS (dB) 0 RL=6Ω 4 RL=8Ω 3 2 1 -80 10 0 100 1000 10000 4 100000 Signal Source Resistance Rg (Ω) 6 8 10 12 14 16 Supply Voltage VCC1, VCC2 (V) Figure 11. Output Power vs. Supply Voltage Figure 10. Channel Separation vs. Signal Source Resistance Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 7 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Typical Performance Characteristics (Continued) 6 6 VCC1=VCC2=12V 4 3 VCC1=VCC2=9V 2 RL=4Ω f=1kHz o TA=25 C 4 3 RL=8Ω 2 1 0 0 0 RL=6Ω 1 2 3 4 5 0 6 1 2 Figure 12. Power Dissipation vs. Output Power 20 15 15 10 10 V2, V11 5 0 0 5 10 Quiescent Current ICC2 (mA) 20 Output Voltage V2, V11 (V) Quiescent Current ICC (mA) 25 ICC 5 6 12 VCC1=12V VIN=0 o TA=25 C 5 12 VIN=0 25 4 Figure 13. Power Dissipation vs. Output Power 30 30 3 Output Power POUT (W) Output Power POUT (W) 10 10 O TA=25 C ICC2 8 8 6 6 4 4 V2, V11 2 2 0 0 15 0 2 4 6 8 10 12 Output Voltage V2, V11 (V) 1 VCC1=VCC2=12V f=1kHz o TA=25 C 5 Power Dissipation PD (W) Power Dissipation PD (W) 5 0 14 Supply Voltage VCC2 (V) Supply Voltage VCC1, VCC2 (V) Figure 15. Quiescent Current and Output Voltage vs. Supply Voltage Figure 14. Quiescent Current and Output Voltage vs. Supply Voltage Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 8 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Typical Performance Characteristics (Continued) 0 -20 VCC1=VCC2=9V RL=4Ω Rg=600Ω RNF=120Ω Ripple Rejection Ratio PSRR (dB) Ripple Rejection Ratio PSRR (dB) 0 o TA=25 C -40 -60 -80 10 100 1000 10000 100000 -20 VCC1=VCC2=9V RL=4Ω RNF=120Ω f=100Hz o TA=25 C -40 -60 -80 10 100 1000 10000 100000 Signal Source Resistance Rg (Ω) Frequency f (Hz) Figure 16. Ripple Rejection Ratio vs. Frequency Figure 17. Ripple Rejection Ratio vs. Signal Source Resistance Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Typical Application Circuit C10 1000µF VCC2 C11 100µF 1 12 3 CIN1 + _ 5 C1 47µF + C4 100µF C8 1000µF + 6 + IN-1 2 CH1 45Ω RNF1 120Ω VCC1 + SW1 + + OUT-1 RL 30kΩ C6 0.15µF CIN2 7 + + IN-2 _ 8 C2 47µF + RNF2 120Ω CH2 FIN 11 C5 100µF C9 1000µF + 9 + 45Ω OUT-2 RL + C3 47µF BIAS CIRCUIT THERMAL SHUTDOWN PROTECTION CIRCUIT 10 30kΩ C7 0.15µF 4 Figure 18. Applicaton Circuit for AA8227 Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 10 Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER AA8227 Mechanical Dimensions HDIP-12 Unit: mm(inch) 0.510(0.020)MIN 4.060(0.160) TYP 3.100(0.122) 3.500(0.138) 3.000(0.118)MIN 0.219(0.009) 0.460(0.018) 0.560(0.022) 2.540(0.100) TYP 3.000(0.118)TYP 0.339(0.013) MAX 10 ° 7.620(0.300) TYP 6.150(0.242) 6.550(0.258) 1.524(0.060)TYP 18.900(0.744) 19.300(0.760) Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 11 http://www.bcdsemi.com IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. MAIN SITE BCD Semiconductor Manufacturing Limited BCD Semiconductor Manufacturing Limited - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. 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