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TA31275FN/ TA31275FNG
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA31275FN, TA31275FNG
AM/FM RF/IF Detector IC for Low Power Wireless System
The TA31275FN is an RF/IF detector IC for AM/FM radio.
The IC incorporates an RF amp, 2-level comparator, and local ×8 circuit
Features
• • • • • • RF frequency: 240 to 450 MHz (multiplication is used) 100 to 450 MHz (multiplication is not used) IF frequency: 10.
7 MHz Operating
voltage range: 2.
4 to 5.
5 V Current dissipation: 5.
8 mA (FM)/5.
4 mA (AM) (except current at oscillator circuit) Current dissipation at BS: 0 µA (typ.
) Small package: 24-pin SSOP (0.
65 mm pitch) Weight: 0.
09 g (typ.
)
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