SGM9146 Datasheet, PDF (4/13 Pages) SG Micro Corp – 4-Channel, Video Filter Driver

SGM9146
BLOCK DIAGRAM
4-Channel, Video Filter Driver
for SD/HD (1080i)/HD (1080p)
SD IN1
Clamp
HD IN2
Bias
HD IN3
Bias
HD IN4
Bias
SELECT _10kΩ
To External Power
Supply or Control I/O
6dB
SD, 6th-Order
6dB
6dB
6dB
Configurable
1080i, 6th-Order
1080p, 6th-Order
SD OUT1
HD OUT2
HD OUT3
HD OUT4
NOTES:
1. A 10kΩ resistor must be serially connected to SELECT pin.
2. Power supply VCC must be sequenced on first before input video signals.
TYPICAL APPLICATION CIRCUIT
Encoder/DAC
CV
0.1µF
CV_{IN Clamp}
Pb
Pb_{IN Bias}
SGM9146
Pr
Pr_{IN Bias}
Y
Y_{IN Bias}
R1 R2 R3 R4
CV_OUT
75Ω
Pb_OUT
75Ω
Pr_OUT
75Ω
Y_OUT
75Ω
220µF
220µF
220µF
220µF
CV_OUT
Pb_OUT
Pr_OUT
Y_OUT
SG Micro Corp
4
www.sg-micro.com