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HomeProductsIntegrated Circuits (ICs)Linear - Video ProcessingTMDS251PAGR
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TMDS251PAGR - Texas Instruments

Manufacturer Part Number
TMDS251PAGR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TMDS251PAGR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
18,653 pcs available, New & Original
Parts Description
IC VIDEO SWITCH 64TQFP
Package
64-TQFP (10x10)
Data sheet
TMDS251PAGR.pdf

PCN Assembly/Origin

Mult Devices 23/Feb/2018.pdf

HTML Datasheet

TMDS251.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 18653
  • Unit Price: $3.889
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $3.889 $3.89
200+ $1.505 $301.00
500+ $1.452 $726.00
1500+ $1.426 $2,139.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TMDS251PAGR Tech Specifications
Texas Instruments - TMDS251PAGR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TMDS251PAGR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3.0V ~ 3.6V
Supplier Device Package 64-TQFP (10x10)
Standards HDMI 1.3a
Series -
Package / Case 64-TQFP
Product Attribute Attribute Value
Package Tape & Reel (TR)
Mounting Type Surface Mount
Function Switch
Control Interface Logic
Base Product Number TMDS251
Applications Video Display

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TMDS251PAGR Image
TMDS251PAGR (1)

Manufacturer Part Number

TMDS251PAGR

Manufacturer

Texas Instruments

Introduction

The TMDS251PAGR is a part of the Linear Video Processing category, designed for switching functions in video display applications. It adheres to the HDMI 1.3a standard, enabling enhanced video and audio performance.

Product Features and Performance

Integrates HDMI 1.3a support for improved audio and video quality.

Features a high-speed switch function oriented for video displays.

Operates within a supply voltage range of 3.0V to 3.6V.

Designed with a 64-TQFP package for efficient surface mounting.

Supports logic control interface, facilitating easy integration into existing systems.

Product Advantages

Enhanced video and audio transmission quality with HDMI 1.3a support.

Remarkably versatile with logic control interface.

Low supply voltage operation minimizes power consumption.

Compact 64-TQFP (10x10) packaging allows for dense PCB layouts.

Key Technical Parameters

Standards: HDMI 1.3a

Voltage Supply: 3.0V ~ 3.6V

Control Interface: Logic

Mounting Type: Surface Mount

Package / Case: 64-TQFP

Supplier Device Package: 64-TQFP (10x10)

Quality and Safety Features

The TMDS251PAGR is manufactured by Texas Instruments, a leader in semiconductor reliability and safety standards, ensuring high-quality performance and durability.

Compatibility

Designed for use in video display applications, it seamlessly integrates with HDMI 1.3a compliant devices and systems.

Application Areas

High-definition televisions (HDTVs)

Digital signage

Home theater systems

Professional video editing and playback equipment

Product Lifecycle

The TMDS251PAGR is currently in the Last Time Buy status, indicating it is nearing discontinuation. Customers are advised to consider future availability of replacements or upgrades when planning long-term projects.

Several Key Reasons to Choose This Product

Compatibility with HDMI 1.3a standard enhances multimedia experience.

Low voltage operation and high integration level lead to energy-saving designs.

The compact packaging supports dense and efficient PCB designs.

Texas Instruments' reputation for quality and reliability ensures a high-performing product.

Last Time Buy status offers an opportunity to purchase before discontinuation, ideal for legacy system maintenance.

Frequently Asked Questions(FAQ)

How does the TMDS251PAGR support HDMI 1.3a signal routing in a multi-display system, and what are the implications for signal integrity at full bandwidth?
The TMDS251PAGR is designed to route HDMI 1.3a signals between multiple video sources and displays using its internal crosspoint architecture. Operating at up to 3.4 Gbps per channel, it supports high-definition video formats including 1080p60 and deep color modes. However, due to its passive switching nature without active amplification, designers must ensure trace length matching within ±50 mils across all three TMDS differential pairs to maintain timing alignment and prevent intersymbol interference. PCB layout becomes critical near the device, where impedance control on TMDS lanes should stay within 10% of 100 Ω to preserve eye diagram performance.
What voltage margin considerations apply when integrating the TMDS251PAGR into a 3.3V digital logic system with mixed analog video components?
While the TMDS251PAGR operates from a single 3.0 V to 3.6 V supply, its input thresholds are optimized for standard TTL/CMOS levels. In a mixed-signal environment, care must be taken to ensure that upstream source outputs (such as FPGAs or processors) provide valid logic-high voltages above the device’s VIH(min), which is typically around 2.1 V at 3.3 V supply. Additionally, any downstream load capacitance exceeding the specified 15 pF per output may degrade rise/fall times and increase EMI susceptibility—designers should limit capacitive loading through proper termination or buffering if driving long cables.
Can the TMDS251PAGR be used to switch between two HDMI sources without requiring external level translators, and how does this affect ESD protection strategy?
Yes, the TMDS251PAGR directly interfaces with standard LVDS-compatible TMDS signals without requiring external translation circuitry, provided both source outputs are compliant with HDMI 1.3a signaling standards. However, since the device lacks integrated ESD diodes on its TMDS inputs, external protection such as transient voltage suppressors or ESD-rated connectors must be implemented near the connector interface. The recommended approach includes adding series resistors (22–100 Ω) at each TMDS pair to damp reflections and improve robustness against fast transient events.
How does the TMDS251PAGR compare to alternative video multiplexers like the SN75DP130 in terms of power consumption and signal path loss?
Unlike the SN75DP130, which uses active reclocking and amplification, the TMDS251PAGR employs a purely resistive crosspoint matrix that introduces minimal insertion loss—typically less than 1 dB up to 1.65 GHz. This makes it suitable for short-reach applications where signal degradation must be minimized. However, the SN75DP130 consumes more power due to its active architecture, whereas the TMDS251PAGR offers lower quiescent current (~1 mA typical), making it preferable in battery-powered or thermally constrained systems despite lacking built-in equalization or de-emphasis features.
What design constraints arise when cascading the TMDS251PAGR with HDMI receivers that have strict common-mode voltage requirements?
The TMDS251PAGR drives TMDS outputs with a differential swing of approximately 400 mVpp and a common-mode voltage centered near the supply rail (e.g., ~1.8 V at 3.3 V). Some HDMI receivers specify tight common-mode input ranges; failure to meet these can result in reduced noise margin or lock-up. To mitigate this, designers may insert DC-blocking capacitors in series with each TMDS pair only if the receiver supports AC-coupled operation. Otherwise, precise biasing via pull-down resistors or reference networks may be necessary to shift the common-mode voltage into the acceptable window defined by the downstream IC.
Is it feasible to use the TMDS251PAGR in an automotive infotainment application meeting AEC-Q100 Grade 2 requirements, and what modifications might be needed?
Although the TMDS251PAGR itself is not qualified under AEC-Q100, its base product number TMDS251 shares similar electrical characteristics with automotive-grade variants. If deploying in an automotive context, additional screening, extended temperature testing (-40°C to +105°C operational range), and conformal coating considerations become necessary. Furthermore, automotive environments demand higher immunity to EMI and surge events—therefore, external filtering on power rails and robust grounding strategies are essential to ensure reliable operation beyond commercial-grade conditions.
How does the TMDS251PAGR handle hot-plug detection (HPD) signals when switching between multiple HDMI sinks, and what control logic simplifies sink management?
The TMDS251PAGR does not process HPD signals internally but provides dedicated GPIO pins that can monitor HPD lines from connected displays. These outputs can feed into a microcontroller that dynamically enables the appropriate TMDS path based on presence detection. By implementing a state machine that polls HPD status before asserting enable controls, designers avoid transmitting data to unpowered or disconnected displays, thereby reducing error rates and improving system responsiveness during plug/unplug cycles.
What impact does package parasitics have on high-speed routing through the TMDS251PAGR’s 64-TQFP (10x10) footprint, and how should thermal vias be managed?
The 10x10 mm TQFP package presents modest lead inductance and capacitance, which minimally affect TMDS signal paths up to 3.4 Gbps. Nevertheless, critical nets should avoid vias under the package body to reduce discontinuity. Thermal vias beneath the exposed pad aid heat dissipation but must be filled and capped to prevent solder wicking during reflow. Given the device’s low power dissipation (<500 mW), extensive thermal management is usually unnecessary unless operating near ambient temperatures above 85°C with poor airflow.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TMDS251PAGR

Product Attribute TMDS261SPAGR TMDS261BPAGR TMDS250PAGR TMDS261APAGR
Part Number TMDS261SPAGR TMDS261BPAGR TMDS250PAGR TMDS261APAGR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Supply - - - -
Applications - - - -
Standards - - - -
Function - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Control Interface - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

TMDS251PAGR Datasheet PDF

Download TMDS251PAGR pdf datasheets and Texas Instruments documentation for TMDS251PAGR - Texas Instruments.

PCN Assembly/Origin
Mult Devices 23/Feb/2018.pdf
HTML Datasheet
TMDS251.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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TMDS251PAGR Image

TMDS251PAGR

Texas Instruments
32D-TMDS251PAGR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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