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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 • Internal Phase-Locked Loop (PLL) for
Features for Each Channel: Line-Locked Clock (Separate for Each Channel)
and Sampling
– Accept NTSC (J, M, 4.43), PAL (B, D, G, H, I,
M, N, Nc), and SECAM (B, D, G, K, K1, L) • Sub-Carrier Genlock Output for Synchronizing
Video Color Sub-Carrier of External Encoder
– Support ITU-R BT.601 Standard Sampling • Standard Programmable Video Output Format
– High-Speed 9-Bit Analog-to-Digital Converter – ITU-R BT.656, 8-Bit 4:2:2 With Embedded
(ADC) Syncs
– Two Composite Inputs or One S-Video Input – 8-Bit 4:2:2 With Discrete Syncs
(for Each Channel)
• Advanced Programmable Video Output
– Fully Differential CMOS Analog Formats
Preprocessing Channels With Clamping and
– 2× Over-Sampled Raw Vertical Blanking
Automatic Gain Control (AGC) for Best
Interval (VBI) Data During Active Video
Signal to Noise (SNR) Performance
– Sliced VBI Data During Horizontal Blanking
– Brightness, Contrast, Saturation, Hue, and
or Active Video
Sharpness Control Through Inter-Integrated
• VBI Modes Supported:
Circuit (I
2
C)
– Teletext (NABTS, WST)
– Complementary 4-Line (3-H Delay) Adaptive
– Closed-Caption Decode With FIFO, and
Comb Filters for Both Cross-Luminance and
Extended Data Services (EDS)
Cross-Chrominance Noise Reduction
– Wide Screen Signaling (WSS), Video
– Patented Architecture for Locking to Weak,
Program System (VPS), Copy Generation
Noisy, or Unstable Signals
Management System (CGMS), Vertical
• Four Independent Polymorphic Scalers
Interval Time Code (VITC)
• Single or Concurrent Scaled and Unscaled
– Gemstar 1×/2× Electronic Program Guide
Outputs Via Dual Clocking Data, Interleaved
Compatible Mode
54-MHz Data or Single 27-MHz Clock
– Custom Configuration Mode Allows User to
• Scaled/Unscaled Image Toggle Mode Gives
Program the Slice Engine for Unique VBI
Variable Field Rate for Both Scaled and
Data Signals
Unscaled Video
• Improved Fast Lock Mode Can Be Used When
• Low Power Consumption: 700 mW Typical
Input Video Standard Is Known and Signals on
• 128-Pin Thin Quad Flat Pack (TQFP) Package
Switching Channels Are Clean
• Single 14.31818-MHz Crystal for All Standards
• Four Possible I
2
C Addresses Allowing 16
and All Channels
Decoder Channels on a Single I
2
C 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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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2010, Texas Instruments Incorporated
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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