UTCTA7640AP UTC | Alldatasheet
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UTC TA7640AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-007,A AM/FM IF PROCESSOR
DESCRIPTION
The UTC TA7640AP Is A Monolithic Integrated Circuit Designed For The Radios Cassette Tape Recorder.
FEATURES
*Low Operating Current *Low External Component *Internal AM/FM Switch *Wide Operating Voltage : Vcc=3.8V DIP-16 BLOCK DIAGRAM FM IF AMPAM IF AMP IF AMP FREQUENCY DETECTOR MIXER LOCAL OSC REGULATOR IF AMP AM AMP DRIVER AM/FM SWITC H DC AMP 1 2 3 4 5 6 8 910111213141516 INPUT 0.01 µF 0.047 µF 4.7k Ω 0.015 µF 100 µF Vcc=5V 22 µF 68k Ω 10 µF 0.047 µF AM FM
UTC TA7640AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R110-007,A ABSOLUTE MAXIMUM RATINGS (Ta=25 °C) PARAMETER SYMBOL VALUE UNIT Voltage VCC 8 V Led Driving Current ILAMP 10 mA Power Dissipation PD 750 mW Operating Temperature TOPR -25 ~-+75 °C Storage Temperature TSTG -55~-+150 °C NOTE : Ta>25 °C,6mw/ °C DC ELECTRICAL CHARACTERISTICS (VCC=5V) PARAMETER SYMBOL TYP UNIT AM FM Pin 1 AM Mixer Input V1 1.5 0 V Pin 2 AM Mixer Bypass V2 1.5 0 V Pin 3 AM Local OSC V3 2.3 2.3 V Pin 4 Voltage Regulator V4 2.3 2.3 V Pin 5 AM IF Out V5 1 0.9 V Pin 6 Level Meter Out V6 1 0.9 V Pin 7 Led Driver Output V7 V Pin 8 GND V8 0 0 V Pin 9 Dectector V9 1.4 1.5 V Pin 10 Vcc V10 5 5 V Pin 11 FM Decter Out V11 5 5 V Pin 12 AM IF Bypass V12 1.5 1.5 V Pin 13 AM IF Input V13 1.5 1.5 V Pin 14 AM IFBypass V14 1.5 1.5 V Pin 15 FM IF Input V15 1.5 1.5 V Pin 16 AM Mixer Output V16 5 5 V AC ELECTRICAL CHARACTERISTICS (Ta=25 °C,V CC =5V,FM;f=10.7MHz, Δf=22.5KHz, FM=400Hz AM; f=1MHz, Mod=30%,FM=400Hz) PARAMETER SYMBOL CHART TEST CONDITIONS MIN TYP MAX UNIT Supply Current ICC(1) 1 FM VIN=0 10 15 mA ICC(2) AM VIN=0 7 10 FM Input Limiting Voltage VIN( lim) 1 -3dB 40 46 dB µ Detector Output VOD 1 VIN=66dB µ 57 85 114 mVrms Signal Noise Ratio S/N 1 VIN=80dB µ 65 dB Total Harmonic Distortion THD 1 VIN=80dB µ 0.05 % Am Rejection AMR 1 VIN=80dB µ 38 dB µ
UTC TA7640AP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R110-007,A PARAMETER SYMBOL CHART TEST CONDITIONS MIN TYP MAX UNIT Leverl Meter Driving Voltage VM 1 VIN=100dB µ 1.6 1.75 1.9 V Led Driving Sensitivity VL 1 IL=1mA 46 52 dB AM Gain GV 1 VIN=26dB µ 20 30 60 mVrms Detector Output Voltage VOD 1 VIN=60dB µ 65 95 125 mVrms Signal To Noise Ratio S/N 1 VIN=60dB µ 47 dB Total Harmonic Distortion THD 1 VIN=60dB µ 1 % Signal Meter Output VM 1 VIN=100dB µ 1.6 1.75 1.9 V Level Meter Driving Voltage VL 1 IL=1mA 32 dB µ Oscillation Stop Voltage Vstop 1 RDUMP= ∝ 1.5 V Pin 5 Output Impedance R09 f=1KHZ 3 K Ω TEST CIRCUIT 16 15 14 13 12 11 10 9 87654321 4.7kΩ 68kΩ 33k Ω Vin Vin FM IN AM IN 75 Ω 220 Ω 50 Ω 0.033 µF 50 Ω 0.047 µF 0.047 µF 47 µF 22 µF 390 Ω LED 100 Ω VL(ON) FM\\AM OUT mA Vcc=5V10 Ω 0.015 µF 0.01 µF 0.022 µF 0.022 µF FM CLOSE FM OPEN UTC TA7640AP