FMS6246 Fairchild Semiconductor, FMS6246 Datasheet
FMS6246
Related parts for FMS6246
FMS6246 Summary of contents
Page 1
... DVD video output circuitry. Three channels offer fixed SD filters while the other three are select- able between SD and PS filters. The FMS6246 offers a fixed gain of 6dB. A metal option is avail- able that provides a fixed gain of 9dB, offering even more flexi- bility. ...
Page 2
... N FAIRCHILD Vcc 5 16 FMS6246 6 15 FcSEL 20L TSSOP SD/PS IN1 7 14 SD/PS IN2 8 13 SD/PS IN3 FMS6246 Rev. 1A Pin Assignments Pin# Pin Type 1 SD IN1 Input 2 SD IN2 Input 3 SD IN3 Input 4 N/C Input 5 Vcc Input SD OUT1 6 FcSEL Input SD OUT2 7 SD/PS IN1 ...
Page 3
... Thermal Resistance (Theta ), JEDEC Standard Multi-Layer Test JA Boards, Still Air Recommended Operating Conditions Parameter Operating Temperature Range Supply Voltage Range Factory Programming Options Part Name Part Number FMS6246 FMS6246MTC20 FMS6246-9 FMS6246MTC209 FMS6246 Rev. 1A Min. Max. -0 Min. Typ. -65 74 Min. ...
Page 4
... Crosstalk (ch-to-ch) TALKPS 2 SNR Signal-to-Noise Ratio t Propagation Delay pdPS Notes: 1. 100% tested at 25°C 2. SNR = 20 * log (714mV / rms noise) FMS6246 Rev. 1A Conditions no load Referenced to GND, if DC-coupled F cSEL F cSEL = 37.5Ω, all inputs AC coupled with 0.1uF, all outputs AC coupled source Conditions All SD Channels ...
Page 5
... DVD or LCVF STB Clamp SoC Active DAC Output Figure 4. AC-coupled Inputs, DC-coupled Outputs When the FMS6246 is driven by an unknown external source or a SCART switch with its own clamping circuitry the inputs should be AC-coupled as follows 1.4V 0.1u External Video source must be AC-coupled. 75 Figure 5. SCART Configuration with DC-coupled ...
Page 6
... Fairchild offers a demonstration board, FMS6246DEMO, to use as a guide for layout and to aid in device testing and characterization. The FMS6246DEMO is a 4-layer board with a full power and ground plane. Following this layout configuration will provide the optimum performance and thermal characteristics. For optimum ...
Page 7
... The following circuit may be used for direct DC-coupled drive by DACs with an output voltage range 1.4V. AC-coupled or DC- coupled outputs may be used with AC-coupled outputs offering slightly lower power dissipation. DVD Player or STB Y1 OUT C OUT CV OUT Video SoC G/Y2 OUT B/Pb OUT R/Pr OUT DAC Load Resistors FMS6246 Rev. 1A +5V 0 75Ω IN1 SD OUT1 2 75Ω ...
Page 8
... Lead SYMBOL MIN NOM D 2.90 3.0 E1 4.30 4.40 E 6.4 BSC e 0.65 BSC Lead SYMBOL MIN NOM D 6.50 6.50 E1 4.30 4.40 E 6.4 BSC e 0.65 BSC N 20 FMS6246 Rev – B – SECTION (02) (0.20) R1 – H – R GAGE PLANE (03) 0. (L1) 14 Lead MAX SYMBOL MIN NOM MAX 3 ...
Page 9
... Ordering Information Model Part Number FMS6246 FMS6246MTC20 FMS6246 FMS6246MTC20X Temperature range for all parts: 0°C to 70°C. Contact Fairchild for additional gain options. Refer to Factory Programming Options Table for more information. FMS6246 Rev. 1A Gain Option Lead Free Package 6dB Yes TSSOP-20 ...
Page 10
... PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Preliminary No Identification Needed Obsolete FMS6246 Rev. 1A ISOPLANAR™ POP™ Power247™ LittleFET™ PowerTrench MICROCOUPLER™ QFET MicroFET™ QS™ ...