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| ICs for Audio Common Use AN7168 Dual 5.8W Audio Power Amplifier Circuit s Overview The AN7168 is an integrated circuit designed for low distortion, low noise and low power dissipation audio set of 5.8W (13.2V, 4) 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 protection circuits are built in. 5.90.25 7.70.3 7.80.25 o 3.6 12 Unit : mm 29.960.3 28.00.3 20.00.2 0.60.1 s 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 s Pin Descriptions Pin No. 1 2 3 4 5 6 NFB Ch.1 Input Ch.1 Ripple Filter GND (Input) Input Ch.2 NFB Ch.2 Pin Name R1.8 0.6 1 0.35 - 0.05 1.20.1 3.50.3 + 0.1 12-Lead SIP Package with Fin (HSIP012-P-0000A) Pin No. 7 8 9 10 11 12 Pin Name Output Ch.2 Bootstrap Ch.2 GND (Output) VCC Bootstrap Ch.1 Output Ch.1 s Block Diagram 1 11 2 Input Circuit Driver Circuit Output Circuit 12 3 Over Voltage Over Current Over Temperature Protection 10 VCC 5 Input Circuit Driver Circuit Output Circuit 7 6 4 GND (Input) 9 GND (Output) 8 2.54 29.60.3 AN7168 s Absolute Maximum Ratings (Ta= 25C) Parameter Supply Voltage Supply Current Power Dissipation Note 1) Peak Supply Voltage Note 2) Operating Ambient Temperature Storage Temperature Note 1) R j - c = 3C/W Note 2) Voltage applied time = 0.2s Symbol VCC ICC PD VCC (surge) Topr Tstg ICs for Audio Common Use Rating 24 4 41.7 50 - 30 ~ + 75 - 55 ~ + 150 Unit V A W V C C s Electrical Characteristics (VCC = 13.2V, f = 1kHz, RL= 4, Ta= 25C) Parameter Quiescent Circuit Current Voltage Gain Total Harmonic Distortion Symbol ICQ GV THD Vi= 0mV PO= 0.5W PO= 0.5W, f= 1kHz PO= 0.5W, f= 100Hz PO= 0.5W, f= 10kHz THD = 10% Maximum Output PO THD = 10%, RL= 2 THD = 10%, RL= 8 Rg= 10k, 1000pF f = 15Hz ~ 30kHz, 12dB/OCT Rg= 10k, 1000pF, Without Filter Channel Balance Channel Separation Ripple Rejection Ratio Offset Voltage CB CS RR VO (offset) PO= 0.5W PO= 0.5W PO= 0.5W, Rg = 10k, Vripple= 280mVrms, fripple= 12Hz Sine wave Vi= 0mV 40 35 5 Condition min. 30 52 typ. 55 54 0.1 0.1 0.2 5.7 8.9 3.1 0.8 1.1 0 50 45 0 200 1 dB dB dB mV 1.5 mV W max. 100 56 0.5 % Unit mA dB Output Noise Voltage Vno PD - Ta 50 (1) Tc= Ta (j - c= 3C/W) (2) With a 100cm2 x 3mm Al heat sink (black color coated) or a 200cm2 x 2mm Al heat sink (not lacquered) (3) With a 100cm2 x 2mm Al heat sink (not lacquered) (4) Without heat sink 40 (1) Power Dissipation PD (W) 30 20 (2) (3) 10 (4) 0 0 40 80 120 160 200 Ambient Temperature Ta (C) ICs for Audio Common Use AN7168 s Application Circuit + 100F VCC 1000F - + 3 100F - 10 11 + 47F 0.047F 2.2 1000F + - 1 - 2 Input Ch.1 12 + - AN7168 5 Input Ch.2 7 47F + - + - 1000F 6 + 100F 8 4 9 0.047F - 2.2 |
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