UTCKA22427

UTC KA22427 DESCRIPTION LINEAR INTEGRATED CIRCUIT I-CHIP AM/FM RADIO IC UTC KA22427 is a one-chip AM/FM radio integrated circuit that is suitable for portable radio applications. It includes AM amplifier, local OSC, AM mixer, AM/FM amplifier, AM AGE, FM AGE circuit and also class b Audio Power Amplifier. FEATURES *Low external components count. *Wide operating voltage : 3 - 13 V. *Internal regulated supply for constant current operation. *DC selection of AM/FM mode. DIP-16 BLOCK DIAGRAM AM IF OUT AM/FM IN HF GND IF bypass AGC bypass AM/FM OUT IF Detector IN +Vcc 4 3 2 1 16 15 14 13 Regulator AM/FM IF AM HF MIXER AM/FM discriminato Audio amplifier AM LO 5 AM local OSC 6 AM HF IN 7 HF bypass 8 9 10 11 12 Audio Audio in Ripple Suppression detector out Audio GND Audio power out ABSOLUTE MAXIMUM RATING(Ta=25°C) PARAMETER SUPPLY VOLTAGE SUPPLY CURRENT POWER DISSIPATION THERMAL RESISTANCE OPERATING TEMPERATURE STORAGE TEMPERATURE SYMBOL VCC ICC PD RJ-A TOPX TSTG VALUE 11 44 600 100 -18~65 -40~125 UNIT V mA mW °C/W °C °C NOTE:Ta>25°C, DERATE WITH 10mW/°C UNLESS SPECIFIED. UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-002,A UTC KA22427 PARAMETER Quiescent Circuit Current LINEAR INTEGRATED CIRCUIT TEST CONDITIONS SW1→FM,VCC=3V SW1→FM,VCC=9V ELECTRICAL CHARACTERISTICS SYMBOL ICCQ MIN 7 10 2.0 TYP 12 17 2.4 57 MAX 17 23 3.1 UNIT mA Pin 16 Terminal Voltage Limiting Voltage Internal Regulated Voltage Pin 16 Voltage Signal to Noise Ratio Maximum Sensitivity Power Output Total Harmonic Distortion Voltage Gain V16(FM) VIN(lim) VCC V16(AM) VO S/N POUT THD GV SW1→FM,ICC=42mA SW1→FM,VCC=5.5V,-3dB V16=2.4V,VR=Min. SW1→AM,ICC=42mA SW1→AM,VCC=9V SW1→AM,VCC=12V,VIN=37dB SW2→45Ω,V16=1.4V SW1→AM,VCC=5.5V, SW2→8Ω,VIN=37.5dB SW2→8Ω,VCC=5.5V,f=1KHZ VR=Min. VR=Min. THD=10% SW2→45Ω,ICC=42mA,f=1KHZ VOUT=2V SW2→8Ω,VCC=5.5V,f=1KHZ VR=Min. V dBµV 12.5 1.4 1.5 15 0.28 13.2 14.0 1.9 V V V dB 3.0 20 W 0.5 40 4.0 % dB INPUT - OUTPUT IMPEDANCE(Ta=25°C,VCC=6V) PARAMETER Pin 2 Input ( AM ) Impedance ( AM ) Pin 2 Input ( FM ) Impedance（FM） Pin 4 Output Impedance Pin 6 Input Impedance Pin 14 Input ( AM ) Impedance（AM） Pin14 Input ( FM ) Impedance（FM） Pin15 Output ( AM ) Impedance（AM） Pin15 Output ( FM ) Impedance（FM） SYMBOL Rip2(AM) Cip2(AM) Rip2(FM) Cip2(FM) Rop4 Cop4 Rip6 Cip6 Rip14(AM) Cip14(AM) Rip14(FM) Cip14(FM) Rop15(AM) Cop15(AM) Rop15(FM) Cop15(FM) TEST CONDITIONS f=465KHZ f=465KHZ f=10.7MHZ f=10.7MHZ f=465KHZ f=465KHZ f=1MHZ f=1MHZ f=465KHZ f=465KHZ f=10.7MHZ f=10.7MHZ f=465KHZ f=465KHZ f=10.7MHZ f=10.7MHZ MIN TYP 200 3 30 3.5 300 6 50 5 300 3.5 300 4 300 5.5 300 6 MAX UNIT KΩ pF KΩ pF KΩ pF KΩ pF KΩ pF KΩ pF KΩ pF KΩ pF UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R110-002,A UTC KA22427 TEST CIRCUIT LINEAR INTEGRATED CIRCUIT V16 1 2 3 4 6 V13 Vcc Icc 470 µF 0.047 µF 220pF OUTPUT 470 µF SW2 1.2kΩ 4 3 2 4 3 2 470 µF 8Ω 220 µF 45Ω 6 1 4.7kΩ 0.001 µF GND FM AM SW1 6 1 10pF 16 15 14 13 12 11 10 9 UTC KA22427 Rg=50Ω 22kΩ HF SIGNAL ~ 1 1 2 3 4 5 6 7 8 0.022 µF 3.3 µF 6 3 2 4 4 3 2 0.01 µF 3 4 680pF 5kΩ 2 1 6 6 1 2pF Rg=600Ω 220pF 4 3 2 6 1 51pF 0.047 µF 50Ω AUDIO SIGNAL ~ 50次 0.022 µF 0.022 µF FM AM SW1 FM IF INOUT AM HF INPUT VOD INPUT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R110-002,A