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| NTE1624 Integrated Circuit AM/FM Radio Circuit w/Power Amp Features: D Suitable for Use in AM/FM Portable Radios or Main-fed AM/FM Clock Radios. D Incorporates AM RF Amp, AM Local Oscillator, AM Mixer, AM/FM IF Amp, AM/FM Detector, AM AGC Circuit, FM AFC Circuit and B Class-Audio Power Amplifier. D Using the NTE1624, Plus the Discrete Input Stage (for FM: RF Amp and Converter), It is Possible to Construct a Complete AM/FM Radios Receivers. D Wide Operating Voltage Range: 3V to Approx 13V, Depending on the Internal Regulator Tolerance. D As the Internal Shunt Voltage Regulator Circuit is Connected to the Supply Voltage Terminal, it Permits a Constant Current Mode (Approximately 42mA) of Operation which is Desirable for Line-Operated Equipments. D AM to FM Switching is Accomplished by Switching Only DC Circuitry. Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44mA Power Dissipation (TA +65C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mW/C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -18 to +65C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Thermal Resistance, Junction-to-Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100C/W Electrical Characteristics: (TA = +25C, f(AM)= 1MHz, Mod=30%, f(FM)=10.7MHz F=22.5kHz, fM=1KHz, VIN=SG Open Voltage -6dB unless otherwise specified) Parameter Quiescent Current Symbol ICCQ V16(FM) VIN(lim) VCC V16(AM) Test Conditions SW FM, VCC = 3V SW FM, VCC = 9V Terminal Voltage (Pin16) Limiting Voltage Internal Regulated Voltage Terminal Voltage (Pin16) SW1 FM, ICC = 42mA, No Signal SW FM, VCC = 5.5V, -3dB, V16 = 2.4V, VR = Min SW1 AM, ICC = 42mA SW1 AM, VCC = 9V, No Signal Min 7 10 2.0 - 12.5 1.4 Typ 12 17 2.4 57 13.2 - Max 17 23 3.1 - 14.0 1.9 Unit mA mA V dBV V V Electrical Characteristics (Cont'd): (TA = +25C, f(AM)= 1MHz, Mod=30%, f(FM)=10.7MHz F=22.5kHz, fM=1KHz, VIN=SG Open Voltage -6dB unless otherwise specified) Test Conditions SW AM, VCC = 12V, VIN = 37dB, SW 45, V16 = 1.4V SW1 AM, VCC = 5.5V, SW 8, VIN = 37.5dB SW 8, VCC = 5.5V, f = 1kHz, VH = Min., THD = 10% SW 45, ICC = 42mA, f = 1kHz, VR = Min., VOUT = 2V SW 8, VCC = 5.5V, f = 1kHz, VR = Min. f = 455kHz Min 1.5 15 0.28 - - - - f = 10.7MHz - - f = 455kHz - - f = 1MHz - - - - f = 10.7MHz - - - - - - Typ 3.0 20 - 0.5 40 200 3.0 30 3.5 300 6.0 50 5.0 300 3.5 300 4.0 300 5.5 300 6.0 Max - - - 4.0 - - - - - - - - - - - - - - - - - Unit V dB W % dB k pF k pF k pF k pF k pF k pF k pF k pF Parameter Maximum Sensitivity Quieting Sensitivity Output Power Total Harmonic Distortion Voltage Gain Pin2 Input Impedance (AM) Symbol VO S/N POUT THD GV Rip2 (AM) Cip2 (AM) Rip2 (FM) Cip2 (FM) Rop4 Cop4 Rip6 Cip6 Pin2 Input Impedance (FM) Pin4 Output Impedance Pin6 Input Impedance Pin14 Input Impedance (AM) Rip14 (AM) f = 455kHz Cip14 (AM) Rip14 (FM) Cip14 (FM) Pin14 Input Impedance (FM) Pin15 Output Impedance (AM) Rop15 (AM) f = 455kHz Cop15 (AM) Rop15 (FM) f = 10.7MHz Cop15 (FM) Pin15 Output Impedance (FM) Pin Connection Diagram IF Bypass 1 AM/FM IF Input 2 RF GND 3 AM IF Output 4 AM OSC 5 AM RF Input 6 RF Bypass 7 Audio Det Output 8 16 AGC Bypass 15 AM/FM IF Output 14 IF Det Input 13 VCC (+) 12 Audio Power Output 11 Audio GND 10 Ripple Rejection 9 Audio Power Input 16 9 .260 (6.6) Max 1 8 .785 (19.9) Max .300 (7.62) .200 (5.08) Max .245 (6.22) Min .100 (2.54) .700 (17.7) |
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