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| Datasheet File OCR Text: |
| AN6480 IF Amplifier for Car Telephone s Overview 0.50.1 1.20.25 0.51min. 6.30.25 3.80.25 (3.45) 0.3 - + 0.1 5 0.2 Unit : mm The AN6480 is an integrated circuit designed for IF amplifier for car telephone and wireless installation. s Features 21.70.3 1 2 3 4 5 6 7 8 9 18 17 16 14 13 12 11 10 15 detector * Voltage stabilizer built-in 3 to 15 7.620.25 18-pin DIL Plastic Package (DIP018-P-0300D) s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 Pin name Oscillator input Second mixer input Second mixer output IF amp. input Reference input GND Squelch output Squelch input O.P amp. output Pin No. 10 11 12 13 14 15 16 17 18 Pin name OP. amp. input FM detector output FM detector input IF amp. output VCC Level detector output Voltage regulator output GND Oscillator input s Block Diagram Osc. Input 18 GND 17 Reg. Level Det. VCC Output Output 16 15 14 IF Amp. FM Det. FM Det. OP. Amp. Output Input Output Input 13 12 11 10 Regulator Level Det. FM Det. OP. Amp. 2nd Mixer IF Amp. SQ 1 2 3 4 5 6 7 8 9 Osc. Input 2nd Mix. 2nd Mix. IF Amp. Input Output Input Ref. GND SQ Output SQ OP. Amp. Input Output 2.54 * Excellent output voltage linearity for level detector * Low temperature coefficiency of output voltage for level s Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage Supply current Power dissipation (Ta=75C) Temperature Operating ambient temperature Storage temperature Symbol VCC ICC PD Topr Tstg Rating 8.5 15 130 -30 to + 85 -55 to +125 Unit V mA mW C C s Electrical Characteristics (Ta=25C) Parameter Current consumption (no-signal) IF amp. bias IF amp. bias Regulator output voltage OP. amp. input voltage OP. amp. output voltage Level detector balance SQ output "L" voltage SQ output "H" voltage Level detector voltage (no-signal) Level detector min. output voltage FM detector output voltage FM detector residual noise Symbol ICC V4-17 V5-17 V16-17 V10-17 V9-17 I15 V7-17 V7-17 V15-17 V15-17 Vno (FM Det.) V0 (FM Det.) SW1...OFF, SW2...OFF SW1...OFF, SW2...ON SW1...ON, SW2...ON 3kHz modulation SW1...ON, SW2...ON Non-modulation Condition min 5 5.8 5.8 3.8 1.7 1.7 -20 - 0.05 4.7 2.9 1.3 -8.5 -58 typ 9 6.1 6.1 4.1 2.0 2.0 max 12.5 6.4 6.4 4.4 2.3 2.3 25 0.2 5.1 4.3 2.25 Unit mA V V V V V A V V V V dBs dBs s Characteristics Curve Vi (lim) -Ta Limiting Output Voltage V13-17 (mVrms) -80 300 V13-17 -Ta FM Detector Output Voltage V11-17 (dBs) -6 V11-17 -Ta Input Sensitivity Vi (lim) (dBm) -90 260 -8 -100 220 -10 -110 180 -12 -120 140 -14 -130 -40 0 40 80 100 -40 0 40 80 -16 -40 0 40 80 Ambient Temperature Ta (C) Ambient Temperature Ta (C) Ambient Temperature Ta (C) V11-17 -Ta 60 -45 V11-17 -Ta 60 V3-17 -Ta Mixer Gain V3-17 (dB) -40 0 40 80 50 FM Detector Distortion V11-17 (dB) Signal to Noise Ratio V11-17 (dB) -40 50 40 -35 40 30 -30 30 20 -25 20 10 -40 0 40 80 -20 10 -40 0 40 80 Ambient Temperature Ta (C) Ambient Temperature Ta (C) Ambient Temperature Ta (C) Level Detector Output Voltage V15-17 (V) V15-17-Vi 5 4 3 2 1 0 -150 -100 -50 0 50 Input Level Vi (dBm) |
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