CXA1691BM/BS
FM/AM Radio
For the availability of this product, please contact the sales office.
Description
CXA1691BM/BS is a one-chip FM/AM radio IC
designed for radio-cassette tape recorders.
Features
•
Small number of peripheral components.
•
Low current consumption (V
CC
=3 V)
For FM : I
D
=5.8 mA (Typ.)
For AM : I
D
=4.7 mA (Typ.)
•
Built-in FM/AM select switch.
•
Large output of AF amplifier.
V
CC
=6 V, EIAJ output=500 mW (Typ.)
when load impedance 8
Ω
Function
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 monolithic IC
Absolute Maximum Ratings
(Ta=25 °C)
•
Supply voltage
•
Operating temperature
•
Storage temperature
V
CC
Topr
Tstg
14
–10 to +60
–50 to +125
V
°C
°C
CXA1691BM
28 pin SOP (Plastic)
CXA1691BS
30 pin SDIP (Plastic)
•
Allowable power dissipation
P
D
P
D
700
mW
(CXA1691BM)
1000
mW
(CXA1691BS)
Recommended Operating Conditions
Supply voltage
V
CC
2 to 7.5
V
(CXA1691BM)
V
CC
2 to 8.5
V
(CXA1691BS)
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E99215-TE
SONY [ SONY CORPORATION ]
