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| 1.2W AUDIO POWER AMP S1A2201X01 INTRODUCTION The S1A2201X01 is a monolithic integrated audio amplifier. It is designed for the audio frequency class B amplifier. 8-DIP-300 FEATURES * * * * * * Wide range of operating supply voltage: VCC = 3V - 14V Medium output power PO = 1.2W at VCC = 9V, RL = 8, THD = 10% Low quiescent circuit current (ICCQ = 4mA: Typ) Good ripple rejection Minimum number of external parts required ORDERING INFORMATION Device S1A2201X01-D0B0 Package 8-DIP-300 Operating Temperature -20C - + 70C BLOCK DIAGRAM RIPPLE 8 BOOTSTRAP 7 VCC 6 OUTPUT 5 - + 1 CB 2 NF 3 INPUT 4 GND Figure 1. 1 S1A2201X01 1.2W AUDIO POWER AMP ABSOLUTE MAXIMUM RATINGS (Ta = 25C) Characteristic Supply Voltage Output Peak Current Power Dissipation Operating Temperature Storage Temperature Symbol VCC IPK PD TOPR TSTG Value 16 1.5 1.25 - 20 -- + 70 - 40 -- + 150 Unit V A W C C ELECTRICAL CHARACTERISTICS ( Ta = 25C, VCC = 9V, f = 1kHz, RG = 600, RF = 120, RL = 8, unless otherwise specified ) Characteristic Quiescent Circuit Current Symbol ICCQ VI = 0 VCC = 9V, RL = 4, THD = 10% VCC = 9V, RL = 8, THD = 10% Output Power PO VCC = 6V, RL = 4, THD = 10% VCC = 6V, RL = 8, THD =10% VCC = 12V, RL = 8, THD =10% Total Harmonic Distortion Open Loop Voltage Gain Closed Loop Voltage Gain Input Resistance Output Noise Voltage THD GVO GVC RI VNO R G = 10k BW (-3dB) = 50Hz - 20kHz PO = 500mW R F = 0 R F = 120 - Test Conditions Min. - - 0.9 - 0.4 - - - 33 - - Typ. 4 1.6 1.2 0.75 0.5 2 0.3 75 36 5 0.3 Max. 12 - - - - - 1.0 - 39 - 1.0 % dB dB M mV W Unit mA 2 1.2W AUDIO POWER AMP S1A2201X01 TEST CIRCUIT C2 100/16V + VCC R3 56 C4 0.1 6 7 1 INPUT CB C7 + 100/16V 3 S1A2201X01 5 R2 1 + 2 R1 10K RF C1 120 C5 470/16V RL 8 OUTPUT 4 C6 8 + + 100/10V C3 0.1(M) 47/10V Figure 2. 3 S1A2201X01 1.2W AUDIO POWER AMP 4 |
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