ICs for Audio Common Use AN7140 5W Audio Power Amplifier Circuit ■ Overview Unit : mm ø 2.65±0.1 6.3±0.3 8.4±0.25 7.1±0.25 1.7±0.25 22.3±0.3 15.0 2.54 1.5±0.25 9 8 7 6 5 4 3 2 1 19.9±0.1 18.3±0.25 0.1±0.05 ø 3.3±0.1 ■ 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 3.75±0.25 0.5±0.1 1.2±0.25 5.8±0.25 1.7±0.25 5.6±0.25 + 0.1 0.45 – 0.05 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. 9-Lead SIP Package with Fin (HSIP009-P-0000) ■ Pin Descriptions Pin No. Pin Name 1 Output 2 GND 3 Bootstrap 4 Phase Compensation 5 N.F.B 6 Input 7 GND 8 Ripple Filter 9 VCC ■ Block Diagram VCC 9 3 GND 6 Input Circuit Drive SEPP Output Circuit 7 Power Supply Ripple Rejection Temperature Compensation Overvoltage Protection 8 5 4 1 2 GND ICs for Audio Common Use AN7140 ■ Absolute Maximum Ratings (Ta= 25˚C) Symbol Rating Unit Supply Voltage Parameter VCC 20 V Supply Current ICC 4 A Power Dissipation (Ta = 30˚C) PD 10 W Operating Ambient Temperature Topr – 30 ~ + 75 ˚C Storage Temperature Tstg – 40 ~ + 150 ˚C ■ Electrical Characteristics (VCC = 13.2V, RL = 4Ω, f = 1kHz, Ta = 25˚C) Parameter Symbol Condition Quiescent Circuit Current ICQ Vi= 0 Voltage Gain GV Vi= 3mV Output Power PO THD= 10% min. typ. max. Unit 15 30 55 mA 51.5 53.5 55.5 dB 4.5 5 W THD Vi= 3mV 0.15 1 % Output Noise Voltage Vno Rg= 10kΩ 1.5 3 mV Input Impedance Zi Total Harmonic Distortion 30 PD – Ta 12 Power Dissipation PD (W) 10 (1) Tc = Ta (2) With a 100 × 100 × 3mm AI heat sink (black color coated) (3) With a 200 × 200 × 2mm AI heat sink (4) With a 25 × 25 × 2mm AI heat sink (5) Without heat sink (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) ■ Application Circuit – 47µF + 8 VCC =13.2V + 9 – 470µF Input 6 3 + AN7140 – 47µF 1 7 5 + – 4 2 0.1µF 2.2Ω 47µF 1000µF + – RL = 4Ω kΩ