an8934fa Panasonic Corporation of North America, an8934fa Datasheet - Page 7

• Manufacturer Part Number: an8934fa
• Description: Video Signal Processing And Qpsk Demodulation Ic For Bs/cs Broadcasting
• Manufacturer: Panasonic Corporation of North America

ICs for TV
Pin No.
Terminal Equivalent Circuits
1
2
3
4
5
6
7
5
3
100 k
6
4
100 k
100 k
Equivalent circuit
1.8 k
40 k
60 k
40 k
60 k
200
54 k
2.75 V
2
40 k
1
50 k
50 k
100 k
126 k
7
7
Impedance ( )
( 10 )
( 10 )
100 k
100 k
180 k
125 k
50 k
40 k
0
External input pin of base-band signal
Mute switch of video signal
Adjusts the gain of input amp. with this
Input pin of bit-stream
Switches output of pin 13 (detection output 2).
• Pin 13 outputs the input signal from
Switches output of pin 12 (detection output 1)
and pin 9 (bit-stream output)
• Pin 12 and pin 9 output the input
to input amp.
• Input level
• Low-level: normal operation
pin from 0 V to 3 V.
Possible to adjust only the signal
inputted from pin 48.
• Input level
Reference voltage pin for gain
adjustment volume
pin 3 at low-level and pin 48 at
high-level.
Open will do for low-level.
signal from pin 3, pin6 at low-level and
pin 48, pin 45 at high-level respectively.
Open will do for low-level.
min. 0.62, typ. 0.67, max. 0.72 V[p-p]
high-level: video signal mute
Open will do for high-level.
min. 0.4, typ. 0.5, max. 0.6 V[p-p]
Description
AN8934FA
DC voltage (V)
2.75
2.5
1.5
0
0
5
3
7