AH830 FULLY BUFFERED COLOUR DIFFERENCE PREFILTER The AH830 has been designed to provide colour difference signal filtering with a flat shape for pre A/D applications sampling at 6.75 MHz. Interfacing to the system is simplified with high input and low output impedance op-amp buffer stages. Filter Shape Lowpass Passband Shape Flat Insertion Loss at 100 kHz 0 dB + 0.1 dB End Of Passband 2.7 MHz Passband Amplitude Ripple 0.2 dB max Loss at 4.0 MHz wrt 100 kHz 30 dB + 2 dB Start Of Stopband 4.4 MHz Stopband Attenuation wrt 100 kHz 39 dB min Group Delay Ripple wrt 200 kHz + 10.0 ns max to 2.5 MHz Delay Time at 200 kHz 800 ns + 10 ns Typical Current 40 mA (20 mA per rail at + 5 v) Input Impedance 2 MΩ typical Package DR00035A © Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice FARA014.DOC Page 1 of 2 Jun-99(A) PACKAGE DETAIL Faraday Technology Ltd. Croft Road Industrial Estate, Newcastle, Staffordshire ST5 0QZ. England. FARA014.DOC Tel: Fax: Email: Web site: Page 2 of 2 + 44 (0)1782 661501 + 44 (0)1782 630101 [email protected] http://www.faradaytech.co.uk Jun-99(A)