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| DUAL LOW NOISE EQUALIZER AMPLIFIER S1A2221A02 INTRODUCTION The S1A2221A02 is a monolithic integrated circuit consisting of a 2-channel pre-amplifier in a 8-pin plastic single in line package. The minimum operating voltage is 2.5V, Making it suitable for low voltage application. 8-SIP FEATURES * * * * * Wide operating supply voltage: VDD = 2. 5V - 6V Low noise (VHI = 1.0V: Typ) High channel separation Good ripple rejection ratio Minimum number of external parts required ORDERING INFORMATION Device S1A2221A02-I0U0 Package 8-SlP Operating Temperature -20C - +70C BLOCK DIAGRAM AMP1 AMP2 1 INPUT1 2 NF1 3 OUTPUT1 4 VCC 5 GND 6 OUTPUT2 7 NF2 8 INPUT2 1 S1A2221A02 DUAL LOW NOISE EQUALIZER AMPLIFIER ABSOLUTE MAXIMUM RATINGS (Ta = 25C) Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC PD TOPR TSTG Value 7.5 200 - 20 - +70 - 40 - +125 Unit V mW C C ELECTRICAL CHARACTERISTICS (Ta = 25C, VCC = 4V, RL = 10k, RG = 600, f = 1kHz, NAB, unless otherwise specified) Characteristic Quiescent Circuit Current Open Loop Voltage Gain Closed Loop Voltage Gain Output Voltage Total Harmonic Distortion Input Resistance Equivalent Input Noise Voltage Cross Talk Symbol ICCQ GVO GVC VO THD RI VNI CT VO = 0.2V THD = 1% VO = 0.2V - RG = 2.2k BW (-3dB) = 15Hz - 30kHz RG = 2. 2k Test Conditions VI = 0 - Min. - 65 33 0.4 - - - 50 Typ. 2.0 80 35 0.7 0.1 150 1.0 65 Max. 6.0 - 37 - 0.3 - 2.0 - Unit mA dB dB V % k V dB 2 DUAL LOW NOISE EQUALIZER AMPLIFIER S1A2221A02 TEST CIRCUIT R1 C5 C2 10/6.3V INPUT 1 C1 1000p C4 10/6.3V INPUT 2 C3 1000p + + 240 R2 47/6.3V 7.5K 2 + C8 47/6.3V C8 0.015 4 1 + VCC 4V R3 100K 3 C7 10/6.3V + OUTPUT 1 10K RL S1A2221X02 8 5 7 R5 7.5K + C9 10/6.3V 6 C10 0.015 + OUTPUT 2 RL 10K C11 47/6.3V R4 100K R6 240 3 S1A2221A02 DUAL LOW NOISE EQUALIZER AMPLIFIER 4 DUAL LOW NOISE EQUALIZER AMPLIFIER S1A2221A02 APPLICATION CIRCUIT Vcc 47 47K 6.8K + + power 470/10V 120K 0.018 3300p 6.8K 1/50V 0.018 4 L-CH + + power 2 3 47K 1/50V + 3300p 1/50V 1 R/P Head 10/25V 10/25V + S1A1222X 8 5 7 120K 6 200K SW (PLAY/REC): PLAY + 1/50V R-CH + 0.039 R/P Head 2200p 2200p 47/10V 68 68 47/10V 56K 56K 0.039 + 5 S1A2221A02 DUAL LOW NOISE EQUALIZER AMPLIFIER NOTES 6 |
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