ta31273fn TOSHIBA Semiconductor CORPORATION, ta31273fn Datasheet - Page 2

• Manufacturer Part Number: ta31273fn
• Description: Am Rf/if Detector Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Function
No.
Pin
10
1
2
3
4
5
6
7
8
9
OSC IN
V
LOBS
MIX OUT
V
IF IN
IF DEC
REF
GND2
DATA
Pin Name
CC1
CC2
(The Values Of Resistor And Capacitor In The Internal Equivalent Circuit
Are Typical.)
Local oscillator input pin.
Power supply pin 1.
Lo switch pin.
Mixer output pin.
Power supply pin 2.
IF amp input pin.
IF amp input pin.
Used as a bias coupling pin.
AM comparator REF pin.
GND pin 2.
AM waveform shaping output pin.
Open collector output.
Connect a pull-up resistor.
H: x8 circuit in operation
Lo: Through pass
Function
2
20
19
5.5 kΩ
500 Ω
6
1
Internal Equivalent Circuit
4
3
2 pF
10
210 Ω
3 kΩ
40 kΩ
60 kΩ
40 kΩ



8
COMP
TA31273FN
2 kΩ
2002-07-08
DATA
7