CXA1991N
CXA1991N is FM Pager/FM Multiplex Tuner manufactured by Sony Semiconductor Solutions.
Description
The CXA1991N is a tuner IC designed for use in FM pagers and FM multiplex broadcasting. A receiver system can be configured by using the digital data output, in bination with a decoder. It has a battery save function and ultra-low power consumption. Features
- Ultra-low power consumption (ID = 1.2 m A for FM; ID = 0.8 m A for AM; VCC = 3 V)
- LED drive circuit for tuning
- Battery save function
- Few external parts Applications
- Tuners for FM multiplex broadcasting
- FM pagers 20 pin SSOP (Plastic)
Absolute Maximum Ratings (Ta=25 °C)
- Supply voltage VCC 14 V
- Operating temperature Topr
- 20 to +75 °C
- Storage temperature Tstg
- 65 to +150 °C
- Allowable power dissipation 400 m W PD Operating Conditions Supply voltage
1.8 to 4.5
Block Diagram
FM MIX AM OSC GND 1 FM RF FM OSC FE OUT AM IN FM IN REG TUNE
FM FRONT END
METER
AM FRONT END
AGC BUFF
AM IF, IF DET AGC
FM IF DET
BATTERY SAVE...
