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FMS6403
Triple Video Drivers with Selectable HD/PS/SD/ Bypass Filters for RGB and YPbPr Signals
Features
Three video anti-aliasing or reconstruction filters 2:1 Mux inputs for YPbPr and RGB inputs Supports D1, D2, D3 and D4 video D-connector (EIAJ CP-4120) Selectable 8MHz/15MHz/30MHz 6th order filters plus bypass Works with SD (480i), Progressive (480p) and HD (1080i/ 720p) AC-coupled inputs include DC restore /bias circuitry All outputs can drive AC or DC coupled 75 loads and provide either 0dB or 6dB of gain 0.40% differential gain, 0.25 differential phase Lead (Pb)-free TSSOP-20 packaging

Description
The FMS6403 offers comprehensive filtering for TV, set top box or DVD applications. This part consists of a triple 6th order filter with selectable 30MHz, 15MHz, or 8MHz cutoff frequencies. The filters may also be bypassed so that the bandwidth is limited only by the output amplifiers. A 2 to 1 multiplexer is provided on each filter channel. The triple filters are intended for YPbPr and RGB signals. The DC clamp levels are set according to the RGB SEL control input. YPbPr sync tips are clamped to 250mV, 1.125V and 1.125V respectively while RGB sync tips are all clamped to 250mV. Sync clamp timing can be derived from the Y/G inputs or from the external SYNC IN pin. The 8MHz and 15MHz filter settings support bi-level sync while the 30MHz filter setting and bypass mode support tri-level sync. All channels nominally accept AC coupled 1Vpp signals. Selectable 0dB or 6dB gain allows the outputs to drive 1Vpp or 2Vpp signals into AC or DC coupled terminated loads with a 1Vpp input. Input signals cannot exceed 1.5Vp
p and outputs cannot exceed 2.5Vpp.

Applications
Progressive scan Cable set top boxes Home theaters Satellite set top boxes DVD players HDTV Personal Video Recorders (PVR) Video On Demand (VOD)

Functional Block Diagram
SYNC IN Y1/G1 Y2/G2 EXT SYNC
8MHz, 15MHz, 30MHz, Bypass Sync Strip

Y/GOUT

gM

250mV

Pb1/B1 Pb2/B2
8MHz, 15MHz, 30MHz, Bypass

Pb/BOUT

gM

RGB SEL
250mV 1.125V Selectable 0dB or 6dB output gain 8MHz, 15MHz, 30MHz, Bypass 250mV

Pr1/R1 Pr2/R2 IN2 SEL
1.125V

Pr/ROUT

gM

FSEL0 FSEL1

0dB SEL

REV. 1C March 2005

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FMS6403 DATASHEET