ta31275 TOSHIBA Semiconductor CORPORATION, ta31275 Datasheet - Page 2

• Manufacturer Part Number: ta31275
• Description: Am/fm Rf/if Detector Ic For Low Power Wireless System
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Description
(the values of resistor and capacitor in the internal equivalent circuit are typical.)
Pin No.
1
2
3
4
5
6
7
8
9
OSC IN
V
LOBS
MIX OUT
V
IF IN
IF DEC
GND2
BS
Pin Name
CC-Lo
CC1
Local oscillator input pin.
Local’ power supply pin
Lo switch pin.
Mixer output pin.
The output impedance of the pin is typically
Power supply pin 1.
IF amp input pin.
IF amp input pin.
Used as a bias coupling pin.
GND pin 2.
Battery saving pin.
330 Ω.
H: ×8 circuit pin.
L: Through pass
Function
2
6
TA31275FN/ TA31275FNG
1
Internal Equivalent Circuit
2 pF
3
4
9
3 kΩ
245 Ω
70 kΩ
40 kΩ



7
03-01-23