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3-3 Typical Performance Data (Note 3) A heat sink is recommended for high ambient temperature operation. PARAMETER SYMBOL CA3020 CA3020A UNITS Power Supply Voltage VCC1 9.0 9.0 V VCC2 9.0 12.0 V Zero Signal Current Differential Amplifier ICC1 15 15 mA Output Amplifier ICC2 24 24 mA Maximum Signal Current Differential Amplifier ICC1 16 16.6 mA Output Amplifier ICC2 125 140 mA Maximum Power Output at THD = 10% PO 550 1000 mW Sensitivity eIN 35 45 mV Power Gain GP 75 75 dB Input Resistance RIN 55 55 k Ω Efficiency η 45 55 % Signal-to-Noise Ratio S/N 70 66 dB THD at 150mW Level 3.1 3.3 % Test Signal Frequency from 600 Ω Generator 1000 1000 Hz Equivalent Collector-to-Collector Load Resistance RCC 130 200 Ω NOTE: 3. Refer to Figures 7 through 11 for measurement and symbol information. Test Circuits and Waveforms FIGURE 1A. COLLECTOR-TO-EMITTER BREAKDOWN VOLTAGE (Q6 AND Q7) CIRCUIT FIGURE 1B. TYPICAL AUDIO AMPLIFIER CIRCUIT UTILIZING THE CA3020 OR CA3020A AS AN AUDIO PREAMPLIFIER AND CLASS B POWER AMPLIFIER FIGURE 1. 1 2 3 4 5 6 7 8 9 10 11 12 VCC 10mA VBR(CER) Q7 CA3020 CA3020A 10mA VBR(CER) Q6 1 2 3 4 5 6 7 8 9 11 12 CA3020 CA3020A 10 ~ eIN 3K 1K 510K 5.1K 5 µF 6V 5 µF 3V 0.01 µF + - + + - - 5 µF 3V VCC1 VCC2 CA3020, CA3020A |
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