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| Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 General Description The AA4005 is a Class AB audio power amplifier which can deliver 2.7W into 3 speakers with 5.0V power supply and THD+N less than 10%. It is designed specially for Notebook PC and portable media player applications. The AA4005 features stereo full differential input or 2 sets of stereo Single-Ended audio input. There are 4 different gain settings at BTL mode - 6dB, 10dB, 15.6dB and 21.6dB, changed by setting GAIN0, GAIN1 pins. AA4005 is available in TSSOP-20 (EDP) package. Features * Output Power, THD+N=10% 1.5W at BTL Mode for 8 Speaker 2.3W at BTL Mode for 4 Speaker 2.7W at BTL Mode for 3 Speaker Supply Voltage Range: 3.0V to 5.5V 4 Selectable Internal Fixed Gain Setups Stereo Full Differential Input Low Power Consumption at Shutdown Mode 100A Typical Excellent Click/POP Noise Suppression Thermal Shutdown Protection * * * * * * Applications * * Notebook PC Portable Media Player TSSOP-20 EDP Figure 1. Package Type of AA4005 Apr. 2008 Rev. 1. 0 1 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Pin Configuration G Package (TSSOP-20(EDP)) GND GAIN0 GAIN1 OUTL+ LINPVDD RIN+ OUTLLIN+ BYPASS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND SHUTDOWN OUTR+ RINVDD PVDD OUTRGND NC GND Figure 2. Pin Configuration of AA4005 (Top View) Apr. 2008 Rev. 1. 0 2 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Pin Description PIN Number 1, 11, 13, 20 2 3 4 5 6, 15 7 8 9 10 12 14 16 17 18 19 PIN Name GND Gain0 Gain1 OUTL+ LINPVDD RIN+ OUTLLIN+ BYPASS NC OUTRVDD RINOUTR+ SHUTDOWN Function Ground reference, it is better to connect with thermal pad. Internal gain setup 0, see table-1 below. Internal gain setup 1, see table-1 below. Left channel positive output Left channel negative input Power supply for output stage Right channel positive input for differential input, AC ground for Single-ended input. Left channel negative output Left channel positive input for differential input, AC ground for Single-ended input Internal reference voltage pin, connect a 1.0F ceramic capacitor to GND No connected Right channel negative output Power supply for analog circuit Right channel negative input Right channel positive output Shutdown mode select, L - Shutdown enable H - Shutdown disable, normal work Apr. 2008 Rev. 1. 0 3 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Table-1, Gain vs.Gain0, Gain1 Logic level GAIN0 L L H H GAIN1 L H L H Gain 6dB 10dB 15.6dB 21.6dB Ordering Information AA4005 Circuit Type Package G: TSSOP-20(EDP E1: Lead Free TR: Tape and Reel Package TSSOP-20(EDP) Part Number Temperature Range -40 to 85oC Lead Free AA4005GTR-E1 Marking ID Lead Free AA4005G Packing Type Tape and Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Apr. 2008 Rev. 1. 0 4 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Absolute Maximum Ratings (Note 1) Parameter Power Supply Voltage Input Voltage Power Dissipation (Note 2) Thermal Resistance Operating Junction Temperature ESD (Machine Mode) ESD (Human Body Mode) Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) TSTG TLEAD Symbol VDD VIN PD JA TJ Value 6.0 -0.3 to VDD+0.3 Internally limited 35 (Note 3) 150 200 2000 -65 to 150 260 oC/W oC Unit V V V V o o C C 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. Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, JA and the ambient temperature TA. The maximum allowable power dissipation is PDMAX = (TJMAX-TA)/JA. For the AA4005, TJMAX = 150oC, and the typical junction-to-ambient thermal resistance for TSSOP-20 (EDP) package can be found in the Absolute Maximum Ratings section. Note 3: Chip is soldered to 60mm2 (4mmx15mm) copper (top side solder mask) of 1oz. on PCB with 8x0.5mm vias. Recommended Operating Conditions Parameter Input Voltage Operating Ambient Temperature Range Symbol VDD TA Min 3.0 -40 Max 5.5 85 Unit V o C Apr. 2008 Rev. 1. 0 5 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Electrical Characteristics VDD=5.0V, Gain=6dB, TA=25oC, f=1kHz, 22kHz Low pass filter, unless otherwise specified. Parameter Quiescent Current Shutdown Current SHUTDOWN Thermal Shutdown Temperature Hysteresis Temp Window Output Offset Voltage VIN=0, No load THD+N=1%, RL=3, THD+N=10%, RL=3, Output Power PO THD+N=1%, RL=4, THD+N=10%, RL=4, THD+N=1%, RL=8 THD+N=10%, RL=8W Total Harmonic Distortion Plus Noise Signal to Noise Ratio Cross Talk Power Supply Rejection Ration Output Noise THD+N S/N XTALK PSRR VNO PO=1W, RL=4W PO=1W, RL=4 f=1kHz Cb=1mF, f=1kHz, Vripple=0.2VRMS f=20Hz~20kHz, RL=8 Symbol IDD ISD VIL VIH 2.0 165 35 5 2.1 2.7 1.8 2.3 1.2 1.5 0.08 100 -100 70 18 25 Conditions VIN=0, IO=0 VSHUTDOWN=0 Min Typ 6.5 100 Max 12 200 0.8 Unit mA A V V oC o C mV W W W W W W % dB dB dB VRMS Apr. 2008 Rev. 1. 0 6 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics 11 10 200 Quiescent Current _IDD (mA) Shutdown Current_ISD (A) 9 8 7 6 5 4 3 2 1 0 3.0 VIN=0 IOUT=0 VSHUTDOWN=VDD 180 160 140 120 100 80 60 40 20 VIN=0 IOUT=0 VSHUTDOWN=0 3.5 4.0 4.5 5.0 5.5 6.0 0 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Supply Voltage _VDD (V) Supply Voltage_VDD (V) Figure 3. Quiescent Current vs. Supply Voltage Figure 4. Shutdown Current vs. Supply Voltage 10 f=1kHz RL=4 Gain=6dB LPF=22kHz THD+N (%) 1 10 (VDD=5.5V) (VDD=5.0V) (VDD=3.3V) (VDD=3.0V) THD+N (%) (VDD=3.6V) VDD=3.0V f=1kHz RL=4 Gain=6dB LPF=22kHz 1 0.1 0.1 10m 100m 1 10m 100m 1 Output Power (W) Output Power (W) Figure 5. THD+N vs. Output Power Figure 6. THD+N vs. Output Power Apr. 2008 Rev. 1. 0 7 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 10 10 VDD=3.0V f=1kHz RL=3 THD+N (%) THD+N (%) VDD=3.0V f=1kHz RL=8 Gain=6dB LPF=22kHz 1 Gain=6dB LPF=22kHz 1 0.1 0.1 10m 100m 1 10m 100m 1 Output Power (W) Output Power (W) Figure 7. THD+N vs. Output Power Figure 8. THD+N vs. Output Power 10 10 VDD=5.0V f=1kHz RL=4 THD+N (%) VDD=5.0V f=1kHz RL=8 Gain=6dB LPF=22kHz 1 Gain=6dB LPF=22kHz THD+N (%) 1 0.1 10m 100m 1 0.1 10m 100m 1 Output Power (W) Output Power (W) Figure 9. THD+N vs. Output Power Figure 10. THD+N vs. Output Power Apr. 2008 Rev. 1. 0 8 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 10 VDD=5.0V f=1kHz RL=3 THD+N (%) 10 VDD=5.0V THD+N (%) Gain=6dB LPF=22kHz 1 f=1kHz RL=4 LPF=22kHz 1 Gain=21.6dB Gain=15.6dB Gain=6dB 0.1 10m 100m 1 0.1 10m Gain=10dB 100m 1 Output Power (W) Output Power (W) Figure 11. THD+N vs. Output Power Figure 12. THD+N vs. Output Power 10 10 VDD=5.0V RL=4 Gain=6dB LPF=30kHz 1 VDD=5.0V RL=4 f=10kHz 1 Gain=6dB LPF=30kHz THD+N (%) f=1kHz THD+N (%) 0.1 PO=0.25W PO=1W 0.1 f=20Hz 0.01 0.01 10m PO=1.5W 100 1k 10k 100m 1 Output Power (W) Frequency (Hz) Figure 13. THD+N vs. Output Power Figure 14. THD+N vs. Frequency Apr. 2008 Rev. 1. 0 9 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 10 10 VDD=5.0V RL=8 1 Gain=6dB LPF=30kHz PO=500mW PO=250mW VDD=5.0V RL=4, PO=1W 1 Gain=6dB LPF=30kHz LPF=80kHz THD+N (%) THD+N (%) 0.1 LPF=30kHz 0.1 0.01 100 PO=1000W 0.01 1k 10k 100 1k 10k Frequency (Hz) Frequency (Hz) Figure 15. THD+N vs. Frequency Figure 16. THD+N vs. Frequency 10 24 VDD=5.0V RL=8, PO=1W 1 22 20 18 Gain0, Gain1=H, H VDD=5.0V RL=8, CIN=1.0F Gain=6dB LPF=30kHz Gain (dB) Gain=15.6dB Gain=21.6dB THD+N (%) 16 14 12 10 Gain0, Gain1=H, L 0.1 Gain0, Gain1=L, H Gain=10dB 0.01 100 8 6 Gain=6dB 1k 10k Gain0, Gain1=L, L 4 20 100 1k 10k 20k Frequency (Hz) Frequency (Hz) Figure 17. THD+N vs. Frequency Figure 18. Gain vs. Frequency Apr. 2008 Rev. 1. 0 10 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Performance Characteristics (Continued) 0 -10 -20 -30 0 VDD=5.0V Cb=1.0F, RL=8 Vripple=0.2VRMS Input AC Ground -40 -20 VDD=5.0V RL=8, PO=1.0W Crosstalk (dB) PSRR (dB) -40 -50 -60 -70 -80 -90 20 -60 -80 Right -> Left -100 -120 Left -> Right 100 1k 10k 20k -140 20 100 1k 10k 20k Frequency (Hz) Frequency (Hz) Figure 19. PSRR vs. Frequency Figure 20. Crosstalk vs. Frequency Apr. 2008 Rev. 1. 0 11 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Application VDD 1F Cs10F + 6 15 16 PVDD VDD CIN0.47F Left IN5 Left Out+ 4 Gain Control 9 + AMP1 + Left Out8 CIN0.47F AMP2 CIN0.47F Right IN- 17 Right Out+ 18 Gain Control 7 + AMP3 + Right Out14 CIN0.47F Cb1F AMP4 10 BYPASS 19 SHUTDOWN VREF GAIN0 GAIN1 2 3 1, 11, 13, 20 Figure 21. Typical Application of AA4005 for Single-ended input Apr. 2008 Rev. 1. 0 12 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Typical Application (Continued) VDD 1F Cs10F + 6 15 16 PVDD VDD CIN0.47F Left IN5 Left Out+ 4 Gain Control 9 + AMP1 + Left Out8 CIN0.47F Left IN+ AMP2 CIN0.47F Right IN- 17 Right Out+ 18 Gain Control 7 + AMP3 + Right Out14 CIN0.47F Right IN+ Cb1F AMP4 10 BYPASS 19 SHUTDOWN VREF GAIN0 GAIN1 2 3 1, 11, 13, 20 Figure 22. Typical Application of AA4005 for full differential input Apr. 2008 Rev. 1. 0 13 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005 Mechanical Dimensions TSSOP-20(EDP) Unit: mm(inch) 6.400(0.252) 6.600(0.260) 4.100(0.161) 4.300(0.169) EXPOSED PAD 6.200(0.244) 6.600(0.260) 4.300(0.169) 4.500(0.177) 2.900(0.114) 3.100(0.122) 0.000(0.000) INDEX0.750(0.030)Dp 0.850(0.033) 0.100(0.004) #1 PIN 0.650(0.026)TYP 0.100(0.004) 0.190(0.007) 4-10 14 TOP & BOTTOM 0.200(0.008)MIN R0.090(0.004)MIN 0.900(0.035) 1.050(0.041) 0.340(0.013) 0.540(0.021) 1.200(0.047) MAX 0.050(0.002) R0.090(0.004)MIN 0.150(0.006) 0.250(0.010)TYP 0 8 0.200(0.008) 0.280(0.011) 0.450(0.018) 0.750(0.030) 1.000(0.039) REF Apr. 2008 Rev. 1. 0 14 BCD Semiconductor Manufacturing Limited BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifiBCD 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 cations 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 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 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. other rights nor the rights of others. MAIN SITE MAIN SITE - Headquarters BCD Semiconductor Manufacturing Limited - Wafer Fab BCD Semiconductor Manufacturing Limited Shanghai Design Group - IC SIM-BCD Semiconductor Manufacturing Co., Ltd. 800 Yi Shan Road, Shanghai 200233, China Corporation Advanced Analog Circuits (Shanghai) Tel: +86-21-6485 900, Yi Shan Road, Shanghai 200233, China 8F, Zone B, 1491, Fax: +86-21-5450 0008 Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 USA Office BCD Semiconductor Corp. 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