TA1375FG Datasheet, PDF (5/24 Pages) Toshiba Semiconductor – Single Conversion Tuner for Digital TV / CATV

Pin No. Pin Name.
Function
Interface
Address setting pin
7
ADR set
The address of the PLL block Is set
up using the voltage applied to this
100Њ 1kЊ
7
pin.
TA1375FG
Vcc
8
Vcc1
This Is power supply for the PLL
circuit.
9
GND2
This Is the ground pin for the PLL
circuit.
GND
⎯
⎯
Vcc
10
Crystal
Crystal oscillator input pins.
11
A 4MHz crystal is used.
12
Vcc2
This Is power supply for the Band
circuit.
10
11
GND
⎯
Vcc
13
The output port of the band block can
14
Band driver be set up using the control data.
15
21
13
Output port
Bear in mind that drive current differs
according to each band drive port.
14
15
21
16
Vcc3
This Is power supply for the Mixer
circuit.
17
NF
18
Be sure to connect a resistance (of
about 33kЊ) between pin18 and the
33V external power supply for tuning.
To prevent abnormal oscillation,
connect between pin18 and GND a
capacity element that does not affect
a PLL.
18
Vt output
17
DATA
I/F
GND
⎯
Vcc
50Њ 50Њ
GND
Vcc
2005/05/23
5