CXA-1191
CXA-1191 is FM/AM Radio manufactured by Unisonic Technologies.
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC CXA1191 is a one-chip FM/AM radio IC designed for radio-cassette tape recorders and headphone tape recorders.
SOP-28
FEATURES
- Small number of peripheral ponents
- Low current consumption (Vcc=3V) FM: l D=5.3m A (Typ.) AM: l D=3.4m A (Typ.)
- Built-in FM/AM select switch
- Large current of AF amplifier DIP-28
FUNCTIONS
FM section RF amplifier, Mixer and OSC (incorporating AFC variable capacitor) IF amplifier Quadrature detection Tuning LED driver AM section RF amplifier, Mixer and OSC (with RF AGC) IF amplifier (with IF AGC) Detector Tuning LED driver AF section Electronic volume control FM muting Structure Bipolar silicon monolithic IC
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
PARAMETER
Supply voltage Operating temperature Storage temperature Allowable power dissipation
SYMBOL
Vcc Topr Tstg PD
VALUE
9 -10 ~ +60 -50 ~ +125 700 (SOP-28) 1000 (DIP-28)
UNIT
V °C °C m W
UNISONIC TECHNOLOGIES CO., LTD.
UTC CXA1191
PARAMETER
Supply voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vcc Vcc
REMENDED OPERATING CONDITIONS
VALUE
2 ~ 7.5 (SOP-28) 2 ~ 8.5 (DIP-28)
UNIT
BLOCK DIAGRAM
GND 28 AF OUT 27 Vcc 26 RIPPLE FILTER 25 AF IN 24 DET OUT 23 AFC AQC 22 AFC AQC 21 IF END 20 METER 19 NC 18 FM IF IN 17 AM IF IN 16 FM/AM BAND SELECT 15
AM IF DET AGC AF POWER AMP TUNING METER
AM FE
FM IF
FM...
