Product Summary

The STV2248H is a fully bus-controlled IC for TV that include PIF, SIF, Luma, Chroma and Deflection processing functions. Used with a vertical frame booster, the STV2248H allows multistandard sets to be de-signed with very few external components and no manual adjustments.

Parametrics

STV2248H absolute maximum ratings: (1)VCC_8V, 8 V Supply Voltage: 10 V; (2)VCC_5V, 5 V Supply Voltage: 7 V; (3)VESD, Capacitor 100 pF discharged via 1.5 kΩ serial resistance (Human Body Model): ±2 kV; (4)TOPER, Operating Temperature: 0, +70℃; (5)TSTG, Storage Temperature: -55, +150℃.

Features

STV2248H features: (1)PIF Circuit with PLL Demodulation; (2)SIF Circuit with QSS Structure, FM Demodulation and AM Demodulation for France; (3)Intercarrier Capability; (4)Built-in Sound Bandpass; (5)Sound Subcarrier Output for Stereo Chassis (FM, NICAM); (6)Audio FM wide mode; (7)Audio Switch and Volume Control (Mono Chassis); (8)AVL (Automatic Volume Levelling); (9)Integrated Chroma Filters and Luma Delay Line; (10)Integrated Chroma Delay Line; (11)Video Switch (3 CVBS In, 2 CVBS Out); (12)SVHS Switch (Y Combined with CVBS3 Input); (13)OSD RGB Inputs; (14)External RGB/YCrCb Inputs or YUV Interface; (15)PAL / SECAM / NTSC Chroma Demodulators; (16)Auto Flesh Control Capability in NTSC mode; (17)South America Capability (PAL-M / PAL-N /NTSC); (18)Chroma Subcarrier Output; (19)Black Stretch Circuit.

Diagrams

STV2248H block daigram

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