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| DUAL PRE-POWER AMP WITH VOLUME CONTROLLER S1A0136A01 INTRODUCTION The S1A0136A01 is a monolithic intergrated circuit designed for use in low voltage and low power applications. It has functions including dual audio pre-power amplifier, electronic volume controller and DC motor speed controller in a single chip. It is suitable for portable tape recorders headphone cassette tape recorders or radios that are battery-operated. 28-SDIP FEATURES 28-SOP * * * * * Low current consumption in an operating voltage range Operating supply voltage range: Vcc = 2.1V - 5V Only a few components in composing a headphone cassette tape recorder Dual audio pre-power amplifier, electronic volume controller and DC motor speed controller in a single chip Reduced input and output coupling capacitors because of 1/2 Vcc AMP adoption on chip as AC GND ORDERING INFORMATION Device S1A0136A01-A0B0 S1A0136A01-S0B0 Package 28-SDIP 28-SOP Operating Temperature -20C -- + 65C 1 S1A0136A01 DUAL PRE-POWER AMP WITH VOLUME CONTROLLER BLOCK DIAGRAM PRE GND PRE COMPEN IN2 -SATION NF2 PRE OUT2 ATT IN2 PRE OFF PRE VCC VCC PWR MOTOR MOTOR TORQUE SPEED CNT OUT2 CNT VCC ADJ 28 27 26 - 25 24 23 22 21 20 19 18 17 16 15 PRE 2 PWR 2 + VOLUME CONTROL BIAS CIRCUIT MOTOR SPEED CONTROL BIAS CIRCUIT + PRE 1 PWR 2 - 1 VCC1 2 3 4 5 PRE OUT1 6 7 8 9 10 11 12 13 14 PRE COMNF1 IN1 PENSATION ATT VOLUME VOL IN1 REF PWR PWR 1/2 VCC2 MOTOR MOTOR MOTOR OUT1 GND GND CNT ABSOLUTE MAXIMUM RATINGS (Ta = 25C) Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC PO TOPR TSTG Value 7.5 450 -20 -- +70 - 40 -- +125 Unit V mW C C 2 DUAL PRE-POWER AMP WITH VOLUME CONTROLLER S1A0136A01 ELECTRICAL CHARACTERISTICS (Ta = 25C, VCC = 3V, unless otherwise specified) Characteristic Quiescent Circuit Current Symbol ICCQ Test Conditions VCC = 3V, VI = 0, IM = 0 Min. - Typ. 18 Max. 25 Unit mA PRE AMPLIFIER SECTION (VCC = 3V, f = 1kHz, RL1 = 10k, unless otherwise specified) Characteristic Open Loop Voltage Gain Closed Loop Voltage Gain Output Voltage Total Harmonic Distortion Output Noise Voltage Input Resistance Cross Talk Output Voltage In Pre OFF Symbol GVO GVC1 VO THD VNO1 RI CT1 VO (OFF) Test Conditions VO = -10dBm, RL = VO = -10dBm THD = 1% VO = 0.2V Vi = 0, Rg = 2.2k, BPF(30 - 20kHz) VO = 10dBm RG = 2.2k, VO = -10dBm VI = 100mV Pre OFF (pin 22) = VCC Min. - 40 0.45 - - 18 30 - Typ. 70 42 0.6 0.05 150 22 - - Max. - 44 - 0.5 300 - - -50 Unit dB dB V % V k dB dB POWER AMPLIFIER SECTION (Ta = 25C, VCC = 3V, unless otherwise specified) Characteristic Closed Loop Voltage Gain Voltage Gain Difference Output Power 1 Output Power 2 Total Harmonic Distortion Pre+ Power Output Noise Voltage Output Noise Voltage Cross Talk Ripple Rejection Ratio Symbol GVC2 GV PO1 PO2 THD2 VNO2I VNO3I CT2 RR Test Conditions PO = 5mW VCONT = Max THD = 10%, RL = 32 THD = 10%, RL = 16 PO = 5mW VI = 0, RG = 2.2k, VCONT = Max RG = 2.2 k, VCONT = Min Ro = 5mW VCC = 3V, 100Hz, 100mVp-p Min. 26 - 20 30 - - - 20 34 Typ. 28 0 28 - 0.2 6 0.25 30 40 Max. Unit 30 3 - - 2.0 10 1.0 - - dB dB mW mW % mV mV dB dB 3 S1A0136A01 DUAL PRE-POWER AMP WITH VOLUME CONTROLLER ATTENUATOR SECTION (Ta = 25C, VCC = 3V, f = 1kHz, unless otherwise specified) Characteristic Maximum Input Voltage Maximum Attenuation Attenuation Error Input Impedance Symbol VI(MAX) VATT(MAX) VATT(ERR) ZI VCONT = Min VCONT = Max - Test Conditions - Min. 0.2 66 - 15 Typ. - - 0 20 Max. - - - - Unit V dB dB K MOTOR SPEED CONTROLLER (Ta = 25C, VCC = 3V, IM = 100mA, unless otherwise specified) Characteristic Circuit Current Starting Current Reference Voltage Reference Voltage Regulation 1 Reference Voltage Regulation 2 Reference Voltage Regulation 3 Current Coefficient Current Coefficient Regulation 1 Current Coefficient Regulation 2 Current Coefficient Regulation 3 Saturation Voltage Leakage Current Symbol IMC IMS VREF VREF1 VREF2 VREF3 K K1 K2 K3 VSAT ILKG V(pin 15, 16) VCC = 2.1 - 5.0 V IM = 25 - 250 mA Ta = -10 ~ 50 C - VCC = 2.1 - 5.0 V IM = 25 - 250 mA Ta = -10 - 50 C IM = 200mA, Pin14 = VCC Pin 18 = VCC Test Conditions - - Min. - 500 0.72 - - - 32 - - - - - Typ. 3.0 - 0.80 0.05 0.01 0.01 38 0.50 0.05 0.02 - 50 Max. 5.0 - 0.87 - - - 43 - - - 0.6 200 Unit mA mA V %/V %/mA %/C - %/V %/mA %/C V V * Voltage across Pin 13, 17 4 DUAL PRE-POWER AMP WITH VOLUME CONTROLLER S1A0136A01 TEST CIRCUIT VCC 2.2K S.G 220 + RL2 16 OFF CONT + 220 S.G RL1 10K + 33 0.022 PRE OFF SW MOTOR SW M 1.5K 0.15K 28 27 26 25 24 23 22 21 20 19 18 17 16 15 S1A0136A01 1 2 3 + 4 5 6 7 8 30K 9 10 11 12 13 14 0.022 2.2K 3.3 S.G RL1 10K S.G RL2 16 + 0.1 ON CONT 5 S1A0136A01 DUAL PRE-POWER AMP WITH VOLUME CONTROLLER APPLICATION CIRCUIT VCC 102 220 33 + RL1 0.022 10k SW 220 + RL2 16 SW M 0.15K 1.5K 28 27 26 25 24 23 22 21 20 19 18 17 16 15 S1A0136A01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SW + 33 102 0.022 R L1 10k 30K RL2 16 6 + 0.1 |
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