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UTCKA22427

Unisonic Technologies
Part Number UTCKA22427
Manufacturer Unisonic Technologies
Description I-CHIP AM/FM RADIO IC
Published Apr 16, 2005
Detailed Description UTC KA22427 DESCRIPTION LINEAR INTEGRATED CIRCUIT I-CHIP AM/FM RADIO IC UTC KA22427 is a one-chip AM/FM radio integra...
Datasheet PDF File UTCKA22427 PDF File

UTCKA22427
UTCKA22427

Overview
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 detector Suppression 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=...


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