FMS6363 ONSEMI | Alldatasheet
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© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6363 • Rev. 1.0.4 FMS6363 — Low-Cost, Three-Channel, 6th-Order, High-Definition Video Filter Driver FMS6363 — Low-Cost, Three-Channel, 6th-Order, High-Definition, Video Filter Driver
Features
Three Sixth-order 30MHz (HD) Filters Transparent Input Clamping Single Video Drive Load (2Vpp, 150Ω = 6δβ) AC or DC-coupled Inputs AC or DC-coupled Outputs DC-coupled Outputs Eliminate AC-coupling Capacitors 5V Only Robust 8kV ESD Protection Package SOIC-8
Applications
Cable and Satellite Set-top Boxes DVD Players HDTV Personal Video Recorders (PVR) Video On Demand (VOD)
Description
The FMS6363 low-cost video filter (LCVF) is intended to replace passive LC filters and drivers with a low-cost integrated device. Three sixth -order filters provide improved image quality compared to typical lower-order passive solutions. The FMS6363 may be directly driven by a DC-coupled DAC output or an AC-coupled signal. Internal diode clamps and bias circuitry may be used if AC-coupled inputs are required (see Applications section for details). The outputs can drive AC-or DC-coupled single (150 Ω) loads. DC-coupling the outputs removes the need for output coupling capacitors. The input DC levels are offset approximately +280mV at the output (see Applications section for details). Block Diagram IN1 IN2 IN3 OUT1 OUT2 OUT3 30MHz, 6th order 6dBTransparent Clamp 6dBTransparent Clamp 6dBTransparent Clamp Figure 1. Block Diagram
Ordering Information
FMS6363CS 0 to 70°C RoHS 8-Lead, Small Outline Integrated Circuit (SOIC) Rail 95 FMS6363CSX 0 to 70°C RoHS 8-Lead, Small Outline Integrated Circuit (SOIC) Reel 2500 For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html
Figure 2. 8-Pin SOIC
1 IN1 Input Video input, channel 1
2 IN2 Input Video input, channel 2
3 IN3 Input Video input, channel 3
4 V CC Input +5V Supply
5 GND Input Ground
6 OUT3 Output Filtered output, channel 3
7 OUT2 Output Filtered output, channel 2
8 OUT1 Output Filtered output, channel 1
operable above the recommended operating conditions and stressing the parts to these levels is not recommended. reliability. The absolute maximum ratings are stress ratings only. recommend exceeding them or designing to Absolute Maximum Ratings.
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6363 • Rev. 1.0.4 3 FMS6363 — Low-Cost, Three-Channel,6th-Order, High-Definition, Video Filter Driver TA=25°C, V CC=5V, R SOURCE=37.5Ω, inputs AC coupled with 0.1µF, all outputs AC coupled with 220µF into150Ω loads, referenced to 400kHz; unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Units ICC Supply Current (1) No Load 22 30 mA VIN Video Input Voltage Range Referenced to GND, if DC-coupled 1.4 V PP Note: 1. 100% tested at 25°C. TA=25°C, V IN=1VPP, V CC=5V, R SOURCE=37.5Ω, inputs AC coupled with 0.1µF, all outputs AC coupled with 220µF into150Ω loads, referenced to 400kHz; unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Units AV Channel Gain (2) All Channels 5.8 6.0 6.2 dB f1dB -1dB Bandwidth (2) All Channels 23 30 MHz fC -3dB Bandwidth All Channels 30 33 MHz fSB1 All Channels at f=37.125MHz 6.5 fSB2 All Channels at f=44.25MHz 14.5 fSB3 Attenuation, Stopband Reject All Channels at f=74.25MHz(2) 32 36 dB THD1 V OUT=1.4VPP, 10MHz 0.2 THD2 V OUT=1.4VPP, 15MHz 0.4 THD3 Output Distortion, All Channels(3) VOUT=1.4VPP, 22MHz 1.2 XTALK Crosstalk Channel-to-Channel At 1MHz -60 dB SNR1 SNR2 Signal-to-Noise Ratio, All Channels(4) Unweighed; 30MHz lowpass, 100KHz to 30HKz 65 dB tpd Propagation Delay Delay from input to output 20 ns Notes: 2. 100% tested at 25°C. 3. 1.4V PP active video. 4. SNR=20 • log (714mV/rms noise).
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6363 • Rev. 1.0.4 7 FMS6363 — Low-Cost, Three-Channel,6th-Order, High-Definition, Video Filter Driver Layout Considerations Layout and supply bypassing play major roles in high- frequency performance and thermal characteristics. For optimum results, follow the steps below as a basis for high-frequency layout: Include 10µF and 0.1μF ceramic bypass capacitors Place the 10μF capacitor within 0.75 inches of the power pin. Place the 0.1μF capacitor within 0.1 inches of the power pin. Connect all external ground pins as tightly as possible, preferably with a large ground plane under the package. Layout channel connections to reduce mutual trace inductance. Minimize all trace lengths to reduce series inductances. If routing across a board, place device such that longer traces are at the inputs rather than the outputs. If using multiple, low-impedance DC- coupled outputs, special layout techniques may be employed to help dissipate heat. If a multilayer board is used, a large ground plane directly under the device helps reduce package case temperature. For dual-layer boards, an extended plane can be used. Worst-case additional die power due to DC loading can be estimated at (V CC 2/4Rload) per output channel. This assumes a constant DC output voltage of V CC 2. For 5V VCC with a dual DC video load, add 25/(4•75) = 83mW, per channel.
Figure 17. Typical Application Diagram
B) ALL DIMENSIONS ARE IN MILLIMETERS. D) LANDPATTERN STANDARD: SOIC127P600X175-8M.
1.75 MAX
Figure 18. 8-Lead, Small Outline Integrated Circuit (SOIC) Package the warranty therein, which covers Fairchild products.
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6363 • Rev. 1.0.4 10 FMS6363 — Low-Cost, Three-Channel, 6th-Order High-Definition Video Filter Driver
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