CXA1691BM Datasheet, PDF (1/11 Pages) Sony Corporation – FM/AM Radio

CXA1691BM/BS
FM/AM Radio
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Description
CXA1691BM/BS is a one-chip FM/AM radio IC
designed for radio-cassette tape recorders.
CXA1691BM
28 pin SOP (Plastic)
CXA1691BS
30 pin SDIP (Plastic)
Features
• Small number of peripheral components.
• Low current consumption (VCC=3 V)
For FM : ID=5.8 mA (Typ.)
For AM : ID=4.7 mA (Typ.)
• Built-in FM/AM select switch.
• Large output of AF amplifier.
VCC=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
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
VCC
14
V
• Operating temperature Topr –10 to +60 °C
• Storage temperature Tstg –50 to +125 °C
• Allowable power dissipation
PD
700 mW
(CXA1691BM)
PD
1000 mW
(CXA1691BS)
Recommended Operating Conditions
Supply voltage
VCC
2 to 7.5
V
(CXA1691BM)
VCC
2 to 8.5
V
(CXA1691BS)
Structure
Bipolar monolithic IC
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.
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E99215-TE