TVP5154A Datasheet, PDF (1/92 Pages) Texas Instruments – 4-Channel Low-Power PAL/NTSC/SECAM Video Decoder With Independent Scalers and Fast Lock

TVP5154A
www.ti.com
SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
4-Channel Low-Power PAL/NTSC/SECAM Video Decoder
With Independent Scalers and Fast Lock
Check for Samples: TVP5154A
1 Introduction
1.1 Features
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• Four Separate Video Decoder Channels With
Features for Each Channel:
– Accept NTSC (J, M, 4.43), PAL (B, D, G, H, I,
M, N, Nc), and SECAM (B, D, G, K, K1, L)
Video
– Support ITU-R BT.601 Standard Sampling
– High-Speed 9-Bit Analog-to-Digital Converter
(ADC)
– Two Composite Inputs or One S-Video Input
(for Each Channel)
– Fully Differential CMOS Analog
Preprocessing Channels With Clamping and
Automatic Gain Control (AGC) for Best
Signal to Noise (SNR) Performance
– Brightness, Contrast, Saturation, Hue, and
Sharpness Control Through Inter-Integrated
Circuit (I²C)
– Complementary 4-Line (3-H Delay) Adaptive
Comb Filters for Both Cross-Luminance and
Cross-Chrominance Noise Reduction
– Patented Architecture for Locking to Weak,
Noisy, or Unstable Signals
• Four Independent Polymorphic Scalers
• Single or Concurrent Scaled and Unscaled
Outputs Via Dual Clocking Data, Interleaved
54-MHz Data or Single 27-MHz Clock
• Scaled/Unscaled Image Toggle Mode Gives
Variable Field Rate for Both Scaled and
Unscaled Video
• Low Power Consumption: 700 mW Typical
• 128-Pin Thin Quad Flat Pack (TQFP) Package
• Single 14.31818-MHz Crystal for All Standards
and All Channels
• Internal Phase-Locked Loop (PLL) for
Line-Locked Clock (Separate for Each Channel)
and Sampling
• Sub-Carrier Genlock Output for Synchronizing
Color Sub-Carrier of External Encoder
• Standard Programmable Video Output Format
– ITU-R BT.656, 8-Bit 4:2:2 With Embedded
Syncs
– 8-Bit 4:2:2 With Discrete Syncs
• Advanced Programmable Video Output
Formats
– 2× Over-Sampled Raw Vertical Blanking
Interval (VBI) Data During Active Video
– Sliced VBI Data During Horizontal Blanking
or Active Video
• VBI Modes Supported:
– Teletext (NABTS, WST)
– Closed-Caption Decode With FIFO, and
Extended Data Services (EDS)
– Wide Screen Signaling (WSS), Video
Program System (VPS), Copy Generation
Management System (CGMS), Vertical
Interval Time Code (VITC)
– Gemstar 1×/2× Electronic Program Guide
Compatible Mode
– Custom Configuration Mode Allows User to
Program the Slice Engine for Unique VBI
Data Signals
• Improved Fast Lock Mode Can Be Used When
Input Video Standard Is Known and Signals on
Switching Channels Are Clean
• Four Possible I²C Addresses Allowing 16
Decoder Channels on a Single I²C Bus
• Available in Commercial (0°C to 70°C) and
Industrial (–40°C to 85°C) Temperature Ranges
1.2 Description
The TVP5154A device is a 4-channel, low-power, NTSC/PAL/SECAM video decoder. Available in a
space-saving 128-pin thin quad flat pack (TQFP) package, each channel of the TVP5154A decoder
converts NTSC, PAL, or SECAM video signals to 8-bit ITU-R BT.656 format. Discrete syncs are also
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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