UTC CXA1191
FM/AM Radio
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 components
*Low current consumption (Vcc=3V)
FM: l
D
=5.3mA (Typ.)
AM: l
D
=3.4mA (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
P
D
VALUE
9
-10 ~ +60
-50 ~ +125
700 (SOP-28)
1000 (DIP-28)
UNIT
V
°C
°C
mW
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
UTC-IC [ UNISONIC TECHNOLOGIES ]
