TA31275FN TOSHIBA [Toshiba Semiconductor], TA31275FN Datasheet - Page 4

• Manufacturer Part Number: TA31275FN
• Description: AM/FM RF/IF Detector IC for Low Power Wireless System
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

Equivalent circuits are given to help understand design of the external circuits to be connected. They do not
accurately represent the internal circuits.
Pin No.
20
21
22
23
24
REF
RSSI
AFOUT
LPF IN
LPF OUT
Pin Name
Threshold input terminal for 2-level FM/AM
comparator.
RSSI output pin.
Output terminal for FM demodulator.
FM/AM LPF input pin.
FM/AM LPF output pin.
Function
4
24
23
23
5.5 kΩ
500 Ω
5.5 kΩ
TA31275FN/ TA31275FNG
Internal Equivalent Circuit
21
22
100 kΩ
100 kΩ
30 kΩ
24
20
COMP
500 Ω
03-01-23
DATA