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| ICs for Audio Common Use AN7140 5W Audio Power Amplifier Circuit s Overview The AN7140 is an integrated circuit designed for low power amplifier such as portable radio, radio cassette tape recorder and car radio. Wide supply voltage range (6 ~ 16V) enables stabilized operation. Fewer external components and 9-pin SIL package achieved compact and highly integrated set. o 2.650.1 6.30.3 8.40.25 7.10.25 5.80.25 1.50.25 9 8 7 6 5 4 3 2 1 19.90.1 18.30.25 0.10.05 o 3.30.1 Unit : mm 3.750.25 0.50.1 1.20.25 9-Lead SIP Package with Fin (HSIP009-P-0000) s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 Output GND Bootstrap Phase Compensation N.F.B Input GND Ripple Filter VCC Pin Name s Block Diagram VCC 9 3 6 Input Circuit Drive SEPP Output Circuit 1 GND 7 Power Supply Ripple Rejection Temperature Compensation Overvoltage Protection 2 GND 8 5 4 1.70.25 s Features * High gain, low distortion, low noise * Fewer external components * Built-in thermal protection circuit * Built-in overvoltage protection circuit * Incorporating automatic operating point stabilizer circuit * Low shock noise when power is switched ON and OFF 15.0 1.70.25 2.54 5.60.25 + 0.1 0.45 - 0.05 22.30.3 AN7140 s Absolute Maximum Ratings (Ta= 25C) Parameter Supply Voltage Supply Current Power Dissipation (Ta = 30C) Operating Ambient Temperature Storage Temperature Symbol VCC ICC PD Topr Tstg ICs for Audio Common Use Rating 20 4 10 - 30 ~ + 75 - 40 ~ + 150 Unit V A W C C s Electrical Characteristics (VCC = 13.2V, RL = 4, f = 1kHz, Ta = 25C) Parameter Quiescent Circuit Current Voltage Gain Output Power Total Harmonic Distortion Output Noise Voltage Input Impedance Symbol ICQ GV PO THD Vno Zi Vi= 0 Vi= 3mV THD= 10% Vi= 3mV Rg= 10k Condition min. 15 51.5 4.5 typ. 30 53.5 5 0.15 1.5 30 1 3 max. 55 55.5 Unit mA dB W % mV k PD - Ta 12 (1) Tc = Ta (2) With a 100 x 100 x 3mm AI heat sink (black color coated) (3) With a 200 x 200 x 2mm AI heat sink (4) With a 25 x 25 x 2mm AI heat sink (5) Without heat sink 10 Power Dissipation PD (W) (1) 8 (2) 6 (3) 4 (4) 2 (5) 0 0 20 40 60 80 100 120 140 160 180 200 Ambient Temperature Ta (C) s Application Circuit - 47F + 8 Input 6 3 + 9 VCC =13.2V + - 470F AN7140 7 5 + - 47F 4 2 1 - 47F 1000F +- 0.1F 2.2 RL = 4 |
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