AN6480 IF Amplifier for Car Telephone ■ Overview Unit : mm 21.7±0.3 • Excellent output voltage linearity for level detector • Low temperature coefficiency of output voltage for level detector • Voltage stabilizer built-in 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 2.54 ■ Features 0.5±0.1 1.2±0.25 The AN6480 is an integrated circuit designed for IF amplifier for car telephone and wireless installation. 10 0.51min. 6.3±0.25 3.8±0.25 (3.45) + 0.1 5 0.2 0.3 – 3 to 15˚ 7.62±0.25 18-pin DIL Plastic Package (DIP018-P-0300D) ■ Pin Descriptions Pin No. Pin name Pin No. Pin name 1 Oscillator input 10 OP. amp. input 2 Second mixer input 11 FM detector output 3 Second mixer output 12 FM detector input 4 IF amp. input 13 IF amp. output 5 Reference input 14 VCC 6 GND 15 Level detector output 7 Squelch output 16 Voltage regulator output 8 Squelch input 17 GND 9 O.P amp. output 18 Oscillator input ■ Block Diagram Osc. Input GND 18 17 Reg. Level Det. VCC Output Output 16 Regulator 15 14 IF Amp. FM Det. FM Det. OP. Amp. Output Input Output Input 13 12 11 10 FM Det. Level Det. OP. Amp. IF Amp. 2nd Mixer 1 Osc. Input 2 3 4 2nd Mix. 2nd Mix. IF Amp. Input Output Input SQ 5 6 7 Ref. GND SQ Output 8 9 SQ OP. Amp. Input Output ■ Absolute Maximum Ratings (Ta=25˚C) Symbol Rating Supply voltage Parameter VCC 8.5 Supply current ICC 15 mA Power dissipation (Ta=75˚C) PD 130 mW Temperature Unit V Operating ambient temperature Topr –30 to + 85 ˚C Storage temperature Tstg –55 to +125 ˚C ■ Electrical Characteristics (Ta=25˚C) Parameter Current consumption (no-signal) Symbol Condition ICC min typ max Unit 5 9 12.5 mA IF amp. bias V4–17 5.8 6.1 6.4 V IF amp. bias V5–17 5.8 6.1 6.4 V Regulator output voltage V16–17 3.8 4.1 4.4 V OP. amp. input voltage V10–17 1.7 2.0 2.3 V OP. amp. output voltage V9–17 1.7 2.0 2.3 V Level detector balance I15 –20 25 µA SQ output “L” voltage V7–17 – 0.05 0.2 V SQ output “H” voltage V7–17 4.7 5.1 V Level detector voltage (no-signal) V15–17 2.9 4.3 V Level detector min. output voltage V15–17 1.3 2.25 V FM detector output voltage Vno (FM Det.) FM detector residual noise V0 (FM Det.) SW1…OFF, SW2…OFF SW1…OFF, SW2…ON SW1…ON, SW2…ON ±3kHz modulation SW1…ON, SW2…ON Non-modulation –8.5 dBs –58 dBs ■ Characteristics Curve Vi (lim) –Ta –100 –110 –120 –40 0 40 300 260 220 180 140 100 80 FM Detector Output Voltage V11–17 (dBs) Limiting Output Voltage V13–17 (mVrms) Input Sensitivity Vi (lim) (dBm) –90 –130 Ambient Temperature Ta (˚C) –40 V11–17 –Ta 30 20 40 Level Detector Output Voltage V15–17 (V) –40 –35 –30 –25 3 2 1 0 Input Level Vi (dBm) 50 80 40 30 20 –40 0 40 80 Ambient Temperature Ta (˚C) 4 40 V3–17 –Ta 50 –20 80 0 Ambient Temperature Ta (˚C) –40 V15–17–Vi –50 –14 60 5 –100 –12 –45 Ambient Temperature Ta (˚C) 0 –150 –10 –16 80 Mixer Gain V3–17 (dB) FM Detector Distortion V11–17 (dB) Signal to Noise Ratio V11–17 (dB) 40 0 40 –8 V11–17 –Ta 50 –40 0 –6 Ambient Temperature Ta (˚C) 60 10 V11–17 –Ta V13–17 –Ta –80 10 –40 0 40 80 Ambient Temperature Ta (˚C)