ADV7181 Rev. B is a multiformat SDTV video decoder produced by Analog Devices, which supports NTSC-(J, M, 4.43), PAL-(B/D/G/H/I/M/N), SECAM formats, integrates three 54 MHz, 9-bit ADCs, clocked from a single 27 MHz crystal, has line-locked clock-compatible (LLC), adaptive digital line length tracking (ADLLT™) and other features.