ICs for Audio Common Use AN7169 Dual 5.8W Audio Power Amplifier Circuit ■ Overview Unit : mm The AN7169 is an integrated circuit designed for low distortion, low noise and low power dissipation audio set of 5.8W (13.2V, 4Ω) output. Stereo operation is enabled due to incorporating two amplifiers on one chip. 12-pin SIL package enabled compact and high integrated set. Thermal protection, short protection and excessive voltage protection circuits are built in. 5.9±0.25 7.7±0.3 7.8±0.25 ø 3.6 Pin No. Pin Name Pin No. Pin Name 1 NFB Ch.1 7 Output Ch.2 2 Input Ch.1 8 Bootstrap Ch.2 3 Ripple Filter 9 GND (Output) 4 GND (Input) 10 VCC 5 Input Ch.2 11 Bootstrap Ch.1 6 NFB Ch.2 12 Output Ch.1 ■ Block Diagram 1 11 Input Circuit Output Circuit Driver Circuit 12 Over Voltage Over Current Over Temperature Protection 3 Input Circuit 5 6 29.6±0.3 12-Lead SIP Package with Fin (HSIP012-P-0000A) ■ Pin Descriptions 2 3.5±0.3 1.2±0.1 1 + 0.1 0.35 – 0.05 2.54 0.6 R1.8 ■ Features • Highly stable operation • Low distortion • Low quiescent current • Low noise • Low shock noise from power ON/OFF operation • Built-in muting circuit • Fewer external components • Incorporating protection circuits 0.6±0.1 29.96±0.3 28.0±0.3 20.0±0.2 12 Driver Circuit 10 VCC Output Circuit 4 9 GND (Input) GND (Output) 7 8 ICs for Audio Common Use AN7169 ■ Absolute Maximum Ratings (Ta= 25˚C) Symbol Rating Unit Supply Voltage Parameter VCC 24 V Supply Current ICC 4.0 A Power Dissipation PD 41.7 Note 1) W VCC (surge) 50 Note 2) V Operating Ambient Temperature Topr – 30 ~ + 75 ˚C Storage Temperature Tstg – 55 ~ + 150 ˚C Peak Supply Voltage Note 1) R θ j – c = 3˚C/W Note 2) Voltage applied time = 0.2s ■ Electrical Characteristics (VCC = 13.2V, f = 1kHz, RL= 4Ω, Ta= 25˚C) Parameter Symbol Condition min. typ. max. Unit Quiescent Circuit Current ICQ Vi= 0mV 30 55 100 mA Voltage Gain GV PO= 0.5W 45 47 49 dB PO= 0.5W, f= 1kHz 0.06 0.5 PO= 0.5W, f= 100Hz 0.07 PO= 0.5W, f= 10kHz 0.15 Total Harmonic Distortion THD THD = 10% PO Maximum Output 8.9 THD = 10%, RL= 8Ω 3.1 Channel Balance CB PO= 0.5W Channel Separation CS PO= 0.5W Ripple Rejection Ratio RR Offset Voltage VO (offset) PO= 0.5W, Vripple = 280mVrms, fripple = 120Hz Sine wave Vi= 0mV PD – Ta 50 (1) Tc = Ta (θj – c = 3˚C/W) (2) With a 100cm2 × 3mm Al heat sink (black color coated) or a 200cm2 × 2mm Al heat sink (not lacquered) (3) With a 100cm2 × 2mm Al heat sink (not lacquered) (4) Without heat sink Power Dissipation PD (W) 40 (1) 30 20 (2) (3) 10 (4) 0 0 40 80 120 Ambient Temperature Ta (˚C) 160 5.7 THD = 10%, RL= 2Ω Rg= 10kΩ, 1000pF, f= 15Hz ~ 30kHz, 12dB/OCT Rg= 10kΩ, 1000pF, Without Filter Vno Output Noise Voltage 5.0 200 % 0.5 W 1.5 mV 0.65 0 1.0 dB 40 50 dB 35 45 dB 0 200 mV ICs for Audio Common Use AN7169 PO, THD – Vi PO – VCC THD = 10% 22 20 16 =2 Ω 14 12 =4 Ω RL 10 RL 8 6 4 RL = 8Ω 2 0 0 5 10 15 20 10 3 PO 1 0.3 0.1 0.03 THD 0.01 25 VCC = 13.2V RL = 4Ω f = 1kHz 30 0.1 0.3 1 Supply Voltage VCC (V) 10 30 0 –2 –3 VCC = 13.2V RL = 4Ω PO = 1.0W –4 2.0 1.5 1.0 0.5 0 10 100 GV –1 THD 100 Input Voltage Vi (mV) ICQ, THD – VCC f = 1kHz RL = 4Ω PO = 1.0W 0.2 20 4Ω 0.4 800 600 = 40 VCC = 13.2V, RL = 4Ω Rg = 600Ω, f = 1kHz RL 0.6 100k THD – PO f = 1kHz Rg = 600Ω THD = 10% Supply Current ICC (mA) ICQ 60 Total Harmonic Distortion THD (%) 0.8 10k 10 1000 80 1k Frequency f (Hz) ICC – VCC (Single Channel) 100 Quiecent Circuit Current ICQ (mA) 3 Total Harmonic Distortion THD (%) Output Power PO (W) 18 THD, GV – f 100 Total Harmonic Distortion THD (%), Voltage Gain Response GV (dB) Output Power PO (W) , Total Harmonic Distortion THD (%) 24 400 R =8 L Ω 200 3 1 0.3 0.1 0.03 THD 0 4 8 12 16 20 0 24 0 4 Supply Voltage VCC (V) 8 12 16 20 Supply Voltage VCC (V) PC – PO (Single Channel) 0.3 0.5 8 1 10 THD 5% 4 2 VCC = 13.2V RL = 4Ω 1.8 Output Noise Voltage Vno (mV) Output Voltage PO (W) 6 2 5 Vno – Rg THD 10% 3 3 2.0 VCC = 13.2V RL = 4Ω RL = 4Ω, f = 1kHz VCC = 13.2V 1 Output Power PO (W) PO – f 4 Power Consumption PC (W) 0.01 0.1 24 1.6 1.4 1.2 1.0 0.8 0.6 FLAT 0.4 0.2 DIN AUDIO 0 0.1 0.3 0.5 1 3 Output Power PO (W) 5 10 0 10 100 1k 10k Frequency f (Hz) 100k 0 10 100 1k 10k Source Resistance Rg (Ω) 100k ICs for Audio Common Use AN7169 ■ Application Circuits VCC • DUAL MODE – + + 1000µF – 100µF 3 0.047µF 10 1 11 + 100µF 2.2Ω + – – 47µF Ch.1 Input 2 1000µF 12 AN7169 (Dual mode) Ch.2 Input 5 + – + – 4Ω 7 47µF 4Ω 1000µF – + 6 + 100µF 8 4 – 0.047µF 9 2.2Ω • BTL MODE – + + 100µF – 3 VCC 1000µF 10 0.1µF 1 + 0.047µF – Input 2 + 470Ω 2.2Ω 11 – 12 5 4Ω or 8Ω + – 1000µF + – AN7169 (BTL mode) 47µF 47µF 7 – + 6 8 4 1000µF 47µF 0.1µF 9 2.2Ω ■ Printed Circuit Board Layout Scale : 1/1 AN7169 Output2 – + 1000µF – + 2.2Ω 100µF 100µF – + 100µF 2.2 Ω – + 47µF Input1 1 µF GND Output1 1000µF 47 0.047µF + – – + 0.0 Input2 VCC + – + – 47µF 12 1000µF GND