FMS6143A ONSEMI | Alldatasheet
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© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6143A • Rev. 1.0.1 FMS6143A —Three-Channel 6th-Order Standard-Definition VoltagePlus™ Video Filter Driver FMS6143A Three-Channel 6th-Order Standard-Definition VoltagePlus™ Video Filter Driver
Features
Three 6th-Order 8MHz (SD) Filter Drives Single AC- or DC-Coupled Video Loads (150Ω) Transparent Input Clamping Single Supply: 3.3V AC- or DC-Coupled Inputs and Outputs DC-Coupled Output Eliminates AC-Coupling Capacitor Robust 8.5kV ESD Protection Supply Voltage Range: 3.3V to 5.0V Lead-Free SOIC-8 Package
Applications
Cable Set-Top Boxes Satellite Set-Top Boxes DVD Players HDTV Personal Video Recorders (PVR) Video On Demand (VOD)
Description
The FMS6143A VoltagePlus™ vi deo filter is intended to replace passive LC filters and drivers with a cost- effective integrat ed device. Three 6 th-order filters provide improved image quality compared to typical 2 nd- and 3rd-order passive solutions. The FMS6143A 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 (150Ω) or dual (75 Ω) video loads. DC coupling the outputs removes the need for large out put coupling capacitors. The input DC levels are offs et approximately +280mV at the output (see Applications section for details). Related Applications Notes AN-6024 – FMS6xxx Product Series Understanding Analog Video Signal Clamps, Bias, DC Restore, and AC or DC coupling Methods AN-6041 – PCB Layout Considerations for Video Filter / Drivers Figure 1. Block Diagram
Ordering Information
Part Number Operating Temperature Range Package Packing Method Quantity FMS6143ACSX -40°C to +85°C 8-Lead, Small Outline Integrated Circuit (SOIC) Reel 5000 IN1 IN2 IN3 OUT1 OUT2 OUT3 6dBTransparent Clamp 6dBTransparent Clamp 6dBTransparent Clamp
Figure 2. Pin Assignments
1 IN1 Input Video Input Channel 1
2 IN2 Input Video Input Channel 2
3 IN3 Input Video Input Channel 2
4 Vcc Input Positive Power Supply
5 GND Input Device Ground Connection
6 OUT3 Output Filtered Output Channel 3
7 OUT2 Output Filtered Output Channel 2
8 OUT1 Output Filtered Output Channel 1
© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6143A • Rev. 1.0.1 3 FMS6143A —Three-Channel 6th-Order Standard-Definition VoltagePlus™ Video Filter Driver Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The devic e may not function or be operable above the recommended operating c onditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit VS DC Supply Voltage -0.3 6.0 V VIO Analog and Digital I/O -0.3 V CC+0.3 V VOUT Maximum Output Current, Do Not Exceed 50 mA Electrostatic Discharge Information Symbol Parameter Min. Unit ESD Human Body Model, JESD22-A114 8.5 kV Charged Device Model, JESD22-C101 2.0 Reliability Information Symbol Parameter Min. Typ. Max. Unit TJ Junction Temperature +150 °C TSTG Storage Temperature Range -65 +150 °C JA Thermal Resistance, JEDEC Standard, Multilayer Test Boards, Still Air 115 °C/W Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device oper ation. Recommended operating conditions are specified to ens ure optimal performance to the datasheet specificat ions. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Parameter Min. Typ. Max. Unit TA Operating Temperatur e Range -40 +85 °C VCC Supply Voltage Range 3.14 3.30 5.25 V
© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6143A • Rev. 1.0.1 4 FMS6143A —Three-Channel 6th-Order Standard-Definition VoltagePlus™ Video Filter Driver Unless otherwise noted; TA=25°C, VCC=3.3V, RS=37.5Ω; all inputs are AC coupled with 0.1µF; and all outputs are AC coupled with 220µF into 150Ω load. Symbol Parameter Conditions Min. Typ. Max. Units VS Supply Voltage Range V S Range 3.14 3.30 5.25 V ICC Quiescent Supply Current (1) VS=+3.3V, No Load 15 22 mA VS=+5.0V, No Load 19 24 mA VIN Video Input Voltage Range Referenced to GND if DC Coupled 1.4 V pp PSRR Power Supply Rejection Ratio DC (All Channels) -65 dB Note: 1. 100% tested at T A=25°C. Unless otherwise noted; T A=25°C, VCC=3.3V, RS=37.5Ω; all inputs are AC coupled with 0.1µF; and all outputs AC coupled with 220µF into 150Ω load. Symbol Parameter Conditions Min. Typ. Max. Units AV Channel Gain Active Video Input Range = 1V PP 5.8 6.0 6.2 dB BW0.1dB ±0.1dB Bandwidth (2) R SOURCE=75Ω, RL=150Ω 5.0 MHz BW-1.0dB -1.0 dB Bandwidth (2) R SOURCE=75Ω, RL=150Ω 6.5 7.0 MHz BW3.0dB -3.0 dB Bandwidth (2) R SOURCE=75Ω, RL=150Ω 7.5 8.0 MHz Att27M Normalized Stopband Attenuation(2) RSOURCE=75Ω, f=27MHz 45 60 dB DG Differential Gain - NTSC/PAL Active Video Input Range = 1V PP 0.6 % DP Differential Phase - NTSC/ PAL Active Video Input Range = 1V PP 0.6 ° THD Total Harmonic Distortion f=1.00MHz; V OUT=1.4Vpp 0.2 % Xtalk Crosstalk (Channel to Channel) f=1.00MHz; VOUT=1.4Vpp -65 dB SNR Peak Signal to RMS Noise NTC-7 Weighting: 100kHz to 4.43MHz 74 dB tpd Propagation Delay Delay from Input to Output: 100KHz to 4.43MHz 90 ns CLG Chroma-Luma Gain (2) 400KHz to 3.58MHz and 4.43MHz 95 100 105 % CLD Chroma-Luma Delay 400KHz to 3.58MHz and 4.43MHz 5.0 ns Note: 2. 100% tested at T A=25°C.
Figure 10. Typical Application
recommended routing rules listed below. Do not run analog and digital signals in parallel. No trace should run over ground/power splits. Avoid routing at 90-degree angles. the device on the top layer. distortion (video tilt) is kept as low as possible. capacitance and inductance e ffect on the output driver. resistor should be no greater than 2.54mm (0.1in). Figure 20. Termination Resistor Placement (bottom plane) each other on the PCB. Maximize thermal performance of the PCB. of board area, not copper thickness.
B) ALL DIMENSIONS ARE IN MILLIMETERS. D) LANDPATTERN STANDARD: SOIC127P600X175-8M.
1.75 MAX
0.25 CBA
Figure 21. 8-Lead, Small Outline Integrated Circuit (SOIC) warranty therein, which covers Fairchild products.
© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FMS6143A • Rev. 1.0.0 13 FMS6143A —Three-Channel 6th-Order Standard-Definition VoltagePlus™ Video Filter Driver
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