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| LOW VOLTAGE AUDIO POWER AMP S1A0386A01 INTRODUCTION 8-DIP-300 The S1A0386A01 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep the external part count low, but the addition of an external resistor and Capacitor between Pin 1 and 8 will increase the gain to any value up to 200. 8-SOP-225 FEATURES * * * Battery operation Minimum external parts Wide supply voltage range: 4V - 12V (S1A0386A01-D0B0) 4V - 9V (S1A0386A01-S0B0) Low quiescent current drain (4mA) Voltage gains: 20 - 200dB Ground referenced Input Self-centering output quiescent voltage Low distortion * * * * * ORDERING INFORMATION Device S1A0386A01-D0B0 S1A0386A01-S0B0 Package 8-DIP-300 8-SOP-225 Operating Temperature -20C - + 70C 1 S1A0386A01 LOW VOLTAGE AUDIO POWER AMP BLOCK DIAGRAM GAIN 1 8 GAIN - INPUT 2 7 BY PASS + INPUT 3 6 Vcc GND 4 5 Vo TOP VIEW ABSOLUTE MAXIMUM RATINGS (Ta = 25C) Characteristic Supply Voltage Power Dissipation S1A0386A01-D0B0 S1A0386A01-S0B0 Input Voltage Operating Temperature Storage Temperature VI TOPR TSTG Symbol VCC PD Value 15 660 300 0.4 -20 -- +70 -40 -- + 125 V C C Unit V mW 2 LOW VOLTAGE AUDIO POWER AMP S1A0386A01 ELECTRICAL CHARACTERISTICS (Ta = 25C, VCC = 6V, RL = 8, f = 1kHz, unless otherwise specified) Characteristic Quiescent Circuit Current Output Power Voltage Gain Bandwidth Total Harmonic Distortion (D-Type) Input Resistance Input Bias Current Symbol ICCQ PO GV BW THD RI IBIAS VI = 0 VCC = 6 V, THD = 10% VCC = 9 V, THD = 10% Pins 1 and 8 Open 10F from Pin 1 to 8 Pins 1 and 8 Open 10F from Pin 1 to 8 PO = 125 mW, Pins 1 and 8 Open - Pins 1 and 8 Open Test Conditions Min. - 250 500 - - - - - Typ. 4 325 200 26 46 300 60 0.2 50 250 Max. 8 - - - - - - Unit mA mW mW dB kHz % k nA APPLICATION CIRCUIT Amplifier with Gain = 50 (34 dB) Vcc 6 2 Vi 10K 3 1.2K + 1 8 10F 250 + 5 + 4 7 + 10 RL BYPASS 0.05 3 S1A0386A01 LOW VOLTAGE AUDIO POWER AMP NOTES 4 |
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