SE121-00 Datasheet, PDF (1/2 Pages) Faraday Technology – 4-CHANNEL OVERSAMPLED POST FILTER

SE121-00
4-CHANNEL OVERSAMPLED POST FILTER
The SE121-00 is a surface mountable four channel video output filter designed to provide all the filtering
and buffering requirements for the Analog Devices ADV7170 and ADV7171 encoders. Use of high
performance video operational amplifiers gives minimal differential gain and phase distortion with the
capability of driving up to ± 2.5V into 75Ω loads.
Other features
• 4 independent filtered channels for RGB and Alpha or dual S-video and dual composite.
• accurate factory set gain of 0 dB (6 dB optional - order SE121-60)
• 75Ω output termination resistors provided
• Flat passband response - ADV encoder incorporates sinx/x correction
• high input impedance - makes interfacing easy
• DC coupling eliminates tilt problems associated with AC coupling
• DC offset of encoder output (due to single rail operation) is corrected to bring blanking level near zero
• 24-pin surface mount DIL package
FILTER SPECIFICATION FOR EACH CHANNEL
End of Passband
5.5 MHz
Passband shape
flat
Sampling frequency
-
Amplitude ripple
± 0.1 dB to 5.5 MHz, ± 0.2 dB to 6 MHz
Gain
0 dB ± 0.2 dB
Group Delay ripple
< 10 ns to 5.5 MHz
Start of stopband
21 MHz
Stopband rejection wrt 100 kHz > 30 dB
Input impedance
100 kΩ typical
Output impedance
75Ω
Supply voltage
± 5V
Supply current
25 mA per rail (typical)
Aqueous Washable
Yes
Package
DR00134B
© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice
FARA089d
Page 1 of 2
Feb-00(B)