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| ICs for Audio Common Use AN7158N Dual 7.5W Audio Power Amplifier Circuit s Overview The AN7158N is an integrated circuit designed for power amplifier of 7.5W (16V, 4) output with low noise and low distortion, and it suits TV set with multi-sound. Stereo operation is enabled due to incorporating two amplifiers on one chip. 12-pin SIL package enabled compact and high-densely mounted set. 15.00.3 3.60.2 7.70.25 1.00.5 12 11 10 9 8 7 6 5 4 3 2 1 Unit : mm 4.70.3 2.70.4 1.8R 30.00.3 24.00.3 1.260.25 tion and etc.) * Automatic operating point stabilizer circuit * Low distortion, low 1/f noise * Low shock noise from power ON/OFF operation * Better channel separation * Fewer external components 0.70.1 11 Ch.2 Output 1 VCC Ch.1 Output 2 0.35 + 0.1 - 0.05 s Features * Incorporating protection circuits (surge, thermal protec- 0.950.25 5.50.3 0.350.25 12-Lead SIP Package (HSIP012-P-0000B) s Block Diagram Ch.2 Bootstrap 8 7 GND 10 Shock Noise Suppression Temperature Compensation Over Voltage Protection Ch.2 Input 9 Input Circuit Drive Output Circuit Ch.1 Input 4 Input Circuit Drive Output Circuit 12 Shock Noise Suppression Temperature Compensation Over Voltage Protection 5 6 Ch.1 Bootstrap 3 GND 2.54 AN7158N s Absolute Maximum Ratings (Ta= 25C) Parameter Supply Voltage Supply Current Power Dissipation (Ta= 45C) Operating Ambient Temperature Storage Temperature Note 1) Note 2) Note 1) ICs for Audio Common Use Symbol VCC VCC ICC PD Topr Tstg Rating 24 20 4 30 - 30 ~ + 75 - 55 ~ + 150 Unit V V A W C C Supply Voltage Note 2) Without signal VCC = 24V (For non-stabilized supply) Operation VCC= 20V (For stabilized supply) s Electrical Characteristics (Ta = 25C) * VCC=13.2V, RL= 4, f =1kHz Parameter Quiescent Circuit Current Voltage Gain Output Power Total Harmonic Distortion Output Noise Voltage Channel Balance Separation Ripple Rejection Ratio Symbol ICQ GV PO THD Vno CB Sep. RR Vi = 0mV Vi = 3mV THD = 10% Vi = 3mV Rg = 10k Vi = 3mV f = 60Hz, Rg = 600 45 Condition min. 40 52 4.8 typ. 70 54 5.5 0.15 1 0 50 40 1 3 1 max. 120 56 Unit mA dB W % mV dB dB dB * VCC =16V, RL= 8, f =1kHz Parameter Quiescent Circuit Current Voltage Gain Output Power Total Harmonic Distortion Output Noise Voltage Crosstalk Symbol ICQ GV PO THD Vno CT Vi = 0mV Vi = 4mV THD = 10% RL = 4, THD = 10% Vi = 4mV Rg = 10k Vi = 4mV, Rg = 10k 45 Condition min. 40 52 4 typ. 80 54 4.5 7.5 0.1 1 1 3 max. 140 56 Unit mA dB W W % mV dB PD - Ta 40 36 32 Power Dissipation PD (W) 28 24 20 (2) 16 (3) 12 8 4 0 -20 0 (4) (1) Tc = Ta With a 100cm2 x 3mm Al heat sink (black) or a 200cm2 x 2mm Al heat sink (3) With a 100cm2 x 2mm Al heat sink (4) Without heat sink (1) (2) 20 40 60 80 100 120 140 160 180 Ambient Temperature Ta (C) ICs for Audio Common Use AN7158N PO, ICQ - VCC Output Power PO (W), Total Harmonic Distortion THD (%) 16 THD = 10% 14 12 Output Power PO (W) PO 10 8 6 8 4 2 0 40 20 0 20 RL = 3 100 4 80 ICQ 60 140 120 100 PO, THD - Vi VCC = 13.2V RL = 4 30 f = 1kHz 10 3 1 0.3 0.1 0.03 PO 0.01 0.1 0.3 1 3 10 30 100 : GV 54dB : GV 46dB (with 4, 9 Pin 82) Output Power PO (W), Total Harmonic Distortion THD (%) 100 30 10 3 1 THD THD PO, THD - Vi VCC = 16V RL = 8 f = 1kHz : GV 54dB : GV 46dB (with 4, 9 Pin 82) otal 2-ch. T Quiescent Circuit Current ICQ (mA) PO 0.3 THD 0.1 0.03 0.01 0.1 PO 0 4 8 12 16 0.3 1 3 10 30 100 Supply Voltage VCC (V) Input Voltage Vi (mV) Input Voltage Vi (mV) THD, GV - f Total Harmonic Distortion THD (%), Voltage Gain Response ,GV (dB) Total Harmonic Distortion THD (%), Voltage Gain Response GV (dB) 3 2 1 0 -1 -2 -3 -4 -5 1 0 -1 -2 -3 -4 -5 VCC = 13.2V RL = 4 PO = 0.5W GV, THD - f GV Power Dissipation (Single Channel Operation) PD (W) 4.0 3.6 3.2 2.8 2.4 2.0 1.6 1.2 PD - PO 8.0 Power Dissipation (Dual Operation) PD (W) f = 1kHz Ta = 25C 6.4 5.6 4.8 VCC = 13.2V RL = 4 4.0 3.2 2.4 13.2V, 8 0.8 9V, 4 0.4 9V, 8 0 0 2 4 6 8 10 0 0.8 1.6 GV : GV 54dB : GV 46dB (with 4, 9 Pin 82) 2.0 1.5 1.0 0.5 0 10 VCC = 16V RL = 8 PO = 0.5W : GV 54dB : GV 46dB (with 4, 9 Pin 82) 2.0 1.5 1.0 0.5 0 10 THD 100 1k 10k 100k THD 100 1k 10k 100k Frequency f (Hz) Frequency f (Hz) Output Power PO (W) THD - PO 100 50 Total Harmonic Distortion THD (%) 30 Output Noise Voltage Vno (mV) VCC = 13.2V RL = 4 f =100kHz 2.0 V = 13.2V 1.8 R CC 4 L= 1.6 1.4 1.2 Vno - Rg 10 5 3 : Commend Circuit : GV 47dB (with82 to Pin 4, 9) 82100F or less 1.0 0.8 0.6 0.4 0.2 1 0.5 0.3 0.1 0.01 0.1 1 10 100 0 10 100 1k 10k 100k Output Power PO (W) Source Resistance Rg () AN7158N ICs for Audio Common Use 47F + - + - 100F 2.2 0.1F 5 Ch.1 Input 1000pF 30k 4 3 Ch.1 6 2 1 12 1000F + - AN7158N Ch.2 + - 1000F + - VCC Ch.1 RL Ch.2 Input 1000pF 30k 9 8 + 100F 11 7 1000F + - 10 0.1F 100F - Ch.2 RL 47F + - 2.2 s Printed Circuit Board Layout Output 1000F Ch.2 - + 47F -+ 2.2 100F 0.1F -+ 100F - + Output 1000F - + Ch.1 47F 100F 0.1F s Pin Descriptions Pin No. 1 VCC Output Ch.1 GND Input Ch.1 N.F.B Ch.1 Bootstrap Ch.1 2 3 4 2.2 AN7158N 1000F - + VCC Pin Name Pin No. 7 8 9 10 11 12 Pin Name Bootstrap Ch.2 N.F.B Ch.2 Input Ch.2 GND Output Ch.2 Ripple Filter +- IN IN 1000pF 1000pF 30k 30k - + 5 6 12 11 10 9 8 7 6 5 4 3 2 |
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