4.6W AUDIO POWER AMP S1A2206D01 INTRODUCTION The S1A2206D01 is a monolithic integrated circuit consisting of a 2channel power amplifier. It is suitable for the stereo and bridge amplifier application of a radio cassette tape recorder. 12-DIPH-300 FEATURES • High power output Stereo : PO = 2.3 W (Typ) at VCC = 9 V, RL = 4 Bridge : PO = 4.7 W (Typ) at VCC = 9 V, RL = 8 16-DIP-300A • Low switching distortion at high frequency • Reduced shock noise at the time of power on/off due to a built-in muting circuit • Good ripple rejection due to a built-in ripple filter • Good channel separation • Soft tone at the time of output saturation • Closed loop voltage gain fixed at 45dB (Bridge : 51 dB) but availability with external resistor added • Minimum number of external parts required • Easy-to-design radiator fin ORDERING INFORMATION Device Package Operating Temperature S1A2206D01-H0B0 12-DIPH-300 − 20°C − + 70°C S1A2206D01-D0B0 16-DIP-300A 1 S1A2206D01 4.6W AUDIO POWER AMP BLOCK DIAGRAM VCC 12 (16) OUT1 (15) 11 BS1 10 (14) POWER GND (13) (12) FIN NF1 9 IN1 (11) (10) 8 IN AMP2 OUT AMP1 RIPPLE FILTER Shock Noise Rejector IN AMP2 OUT AMP2 1 (1) BTL OUT PRE GND (9) 7 2 OUT2 (2) 3 BS2 (3) (4) FIN (5) POWER GND 4 (6) NF2 5 (7) IN2 6 (8) R.R NOTE: () 16-DIP Package ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Characteristic Symbol Value Unit Supply Voltage VCC 15 V Power Dissipation PD (*) 4 W Operating Temperature TOPR − 20 — +70 °C Storage Temperature TSTG − 40 — +150 °C * Fin is soldered on the PCB 2 4.6W AUDIO POWER AMP S1A2206D01 ELECTRICAL CHARACTERISTICS ( Ta = 25°C, VCC = 9V, f = 1kHz, RG = 600Ω, unless otherwise specified ) Characteristic Symbol Test Conditions Min Typ Max Unit Operating Supply Voltage VCC – – 9 11 V Quiescent Circuit Current ICCQ VI = 0, Stereo – 40 55 mA GVC Stereo 43 45 47 dB 49 51 53 dB – −1 0 +1 dB RL= 4, THD = 10 %, 1.7 2.3 – W RL= 8, THD = 10 %, – 1.3 – W Bridge RL= 8, THD = 10 %, – 4.7 – W Stereo PO= 250 mW, RL = 4Ω – 0.3 1.5 % – 0.5 – % 21 30 – kΩ Closed Loop Voltage Gain Bridge Channel Balance CB Stereo Stereo Power Output Total Harmonic Distortion PO THD Bridge VI = -45 dBm Input Resistance RI Ripple Rejection Ratio RR Stereo,RG = 0, VI = 150mW f =100Hz 40 46 – dB VNO Stereo,RG = 0Ω – 0.3 1.0 mV Stereo,RG = 10kΩ – 0.5 2.0 mV Stereo,RG = 10kΩ, VO = 0dBm 40 55 – dB Output Noise Voltage Cross Talk CT – 3 S1A2206D01 4.6W AUDIO POWER AMP APPLICATION INFORMATION 1.Stereo Application i) Fixed voltage gain (Pin 9 connected to GND directly) INPUT 8 + CH1 9 R1 Gv = 20log ------- ( dB ) R2 11 - R2 ii) Variable voltage gain (Rf and C1 connected with pin 9) R1 RF C1 R1 Gv = 20 log ---------------------- ( dB ) R2 + RF 2. Bridge Application 8 + 9 - CH1 RF R2 CH2 - 5K + R4 1 50 11 9 + C4 + RL C6 i) Fixed voltage gain (Pin 9 connected to GND directly) R1 Gv = 20 log ------- + 6 ( dB ) R2 ii) Variable voltage gain RF and C1 connected with pin 9) R1 Gv = 20 log ---------------------- + 6 ( dB ) R2 + RF 4 R3 R1 + C1 4 5 + C2 4.6W AUDIO POWER AMP S1A2206D01 APPLICATION CIRCUIT 1. Stereo Amplifier 470 µF /16V 100 µ F /16V 100 µF /16V C1 OUTPUT1 C4 C2 (16) RL *C3 0.15 µF (15) 12 (13) (12) (14) 11 10 INPUT1 (11) Fin (10) (9) 9 8 7 4 5 6 Vcc + C5 1000 µF /16V + 1 (1) 470 µF /16V 3 (2) (3) C8 OUTPUT2 C6 2 *C7 0.15 µ F 100 µF /16V Fin (4) (5) (6) C9 100 µ F /16V (7) (8) C10 100 µ F /16V INPUT2 RL * (polyester film capacitor) 5 S1A2206D01 4.6W AUDIO POWER AMP 2. Bridge Amplifier 100 µF /16V 100 µ F /16V C1 C2 Vcc (16) C5 1000 µ F /16V C4 470 µF /16V *C3 0.15 µ F (15) 12 (13) (12) (14) 11 10 Fin INPUT1 (11) (10) (9) 9 8 7 4 5 6 S1A2206D01 RL C6 470 µF /16V 1 (1) 2 3 (2) (3) C8 *C7 0.15 µ F 100 µF /16V C9 100 µF /16V 6 Fin (4) (5) (6) (7) (8) C10 100 µF /16V * (polyester film capacitor)