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Home > Products > Integrated Circuits (ICs) > Linear > Video Amps and Modules

Texas Instruments THS7316D

Name: THS7316D
Brand: Texas Instruments
SKU: THS7316D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: THS7316D

Manufacturer:: Texas Instruments

Category:: Video Amps and Modules

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: THS7316D.pdf

Description:: IC AMP BUFFER 8SOIC

Quantity:: RFQ Add To RFQ list

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Product details

Overview

THS7316D from Texas Instruments is a 3-channel HDTV video amplifier with integrated 5th-order 36-MHz Butterworth low-pass filters, 6-dB fixed gain (2 V/V), rail-to-rail output stage, and SOIC-8 package. It supports Y'P'BP'R 720p/1080i, G'B'R', VGA/SVGA/XGA signals, and operates from 3-V to 5-V single supply with 18.3-mA quiescent current at 3.3 V - used as a line driver in set-top box and portable video output buffering.

For engineers reviewing the THS7316D datasheet, THS7316D pinout, THS7316D application, or THS7316D equivalent, this page delivers verified technical context, real-world design meaning of key specs (e.g., 30 dB attenuation at 74 MHz, ±0.1° differential phase), package-aware layout guidance, and validated alternative options for video signal chain optimization.

Technical Context

The THS7316D integrates three independent video amplifiers, each with a 5th-order modified Butterworth filter optimized for DAC reconstruction or ADC anti-aliasing in HDTV systems. Its SiGe BiCom-III process enables high-speed performance while maintaining low power consumption and excellent linearity.

It supports dual input biasing modes: DC-coupled with internal +140-mV level shift (enabling full sync dynamic range at 0-V input), and AC-coupled with transparent sync-tip clamp for signals containing sync pulses. Rail-to-rail output swing allows direct driving of 75-Ω loads or two parallel video lines per channel without external components.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	3 V to 5 V single supply - enables USB-powered and portable video designs without dual-rail generation.
Small-Signal Bandwidth	36 MHz (–3 dB) - fully supports HDTV timing (720p/1080i) and computer graphics (XGA) without signal degradation.
Filter Cutoff	36-MHz 5th-order Butterworth - provides –1 dB passband flatness to 31 MHz and 30 dB attenuation at 74 MHz for clean DAC reconstruction.
Differential Gain/Phase	0.1% / 0.1° - preserves color fidelity and timing integrity in broadcast-quality analog video transmission.
Quiescent Current	18.3 mA at 3.3 V - enables low-power operation in battery-powered or thermally constrained video interfaces.
Rail-to-Rail Output Swing	Within 100 mV of rails into 75 Ω - ensures full-swing AC or DC coupling to standard video loads without clipping.
Input Resistance	800 kΩ - simplifies impedance matching with DAC outputs and minimizes loading on upstream sources.

Pinout & Package

THS7316D is housed in an RoHS-compliant SOIC-8 package (5.0 mm × 4.0 mm, 1.27 mm pitch), optimized for compact video PCB layouts and thermal performance (θ_JA = 130°C/W).

Pin/Terminal	Circuit Role	Design Meaning
1 - CH.1 IN	Input	Video input channel 1 (e.g., Y′, G′, or R′); accepts DC-coupled (with 140-mV shift) or AC-coupled (sync-tip clamp) signals.
2 - CH.2 IN	Input	Video input channel 2 (e.g., P′B or B′); identical biasing flexibility and signal path as CH.1 IN.
3 - CH.3 IN	Input	Video input channel 3 (e.g., P′R or R′); fully independent channel with matched gain and filtering.
4 - VS+	Power Supply	Positive supply rail (3 V to 5 V); requires local 0.1 µF decoupling capacitor for stability.
5 - GND	Ground	Analog ground reference for all internal circuitry; must be connected to low-impedance system ground plane.
6 - CH.3 OUT	Output	Amplified, filtered video output channel 3; rail-to-rail swing supports 75-Ω load driving or dual-line fanout.
7 - CH.2 OUT	Output	Amplified, filtered video output channel 2; matched delay (<0.3 ns channel-to-channel) ensures timing coherence.
8 - CH.1 OUT	Output	Amplified, filtered video output channel 1; identical AC/DC coupling capability and output drive strength.

Key Features

Feature	Design Value
Integrated 5th-order LPF	36-MHz Butterworth response with –1 dB passband to 31 MHz - eliminates need for external filter components in HDTV DAC output stages.
DC + 140-mV input shift	Enables full sync amplitude preservation at 0-V input - prevents AGC loop errors and horizontal/vertical sync clipping in receiver circuits.
Sync-tip clamp mode	Active DC restoration (not passive diode clamp) - maintains transparency for sync-containing channels (Y′, G′) while rejecting overshoot via internal LPF.
Rail-to-rail output stage	Swings within 100 mV of rails into 75 Ω - supports both AC-coupled (capacitor + termination) and DC-coupled (direct 75-Ω load) video interface topologies.
Low crosstalk	–61 dB at 1 MHz - preserves color channel independence in RGB/Y'P'BP'R systems without inter-channel interference.

Applications

Set-Top Box Video Output	PVR/DVDR Component Output
Use Scenario: Driving Y'P'BP'R component video signals from an encoder IC to rear-panel RCA jacks in consumer STBs. IC Role / Device Role / Timing Role: Final-stage video buffer with integrated reconstruction filtering and sync-preserving DC biasing. Use Value: Eliminates external RC filters and level-shifting networks while ensuring NTSC/PAL-compatible differential gain/phase (<0.1%/0.1°) for broadcast compliance.	Use Scenario: Buffering G'B'R' RGB signals from a video processor to HDMI transmitter or analog component outputs in digital video recorders. IC Role / Device Role / Timing Role: Three-channel line driver with matched group delay (<0.3 ns) and flat passband for multi-channel timing alignment. Use Value: Maintains chroma/luma timing coherence across all three channels, preventing color fringing or edge artifacts in recorded playback.
USB-Powered Portable Display	VGA/SVGA/XGA Graphics Interface
Use Scenario: Low-power video amplification in battery-operated HDMI-to-analog adapters or USB-C display docks. IC Role / Device Role / Timing Role: Power-efficient 3-channel buffer operating from 3.3-V USB supply with 18.3-mA total I_Q. Use Value: Enables full-resolution analog output without external LDOs or charge pumps - extends runtime and reduces thermal footprint.	Use Scenario: Driving VGA, SVGA, or XGA RGBHV signals from GPU outputs to monitor inputs in embedded industrial displays. IC Role / Device Role / Timing Role: High-fidelity RGB line driver with 36-MHz bandwidth and <2.5 ns group delay variation across 27 MHz. Use Value: Supports sharp text rendering and artifact-free motion at 1024×768@75 Hz and higher resolutions without pixel smearing.

Set-Top Box Video Output

PVR/DVDR Component Output

Use Scenario: Driving Y'P'BP'R component video signals from an encoder IC to rear-panel RCA jacks in consumer STBs.

IC Role / Device Role / Timing Role: Final-stage video buffer with integrated reconstruction filtering and sync-preserving DC biasing.

Use Value: Eliminates external RC filters and level-shifting networks while ensuring NTSC/PAL-compatible differential gain/phase (<0.1%/0.1°) for broadcast compliance.

Use Scenario: Buffering G'B'R' RGB signals from a video processor to HDMI transmitter or analog component outputs in digital video recorders.

IC Role / Device Role / Timing Role: Three-channel line driver with matched group delay (<0.3 ns) and flat passband for multi-channel timing alignment.

Use Value: Maintains chroma/luma timing coherence across all three channels, preventing color fringing or edge artifacts in recorded playback.

USB-Powered Portable Display

VGA/SVGA/XGA Graphics Interface

Use Scenario: Low-power video amplification in battery-operated HDMI-to-analog adapters or USB-C display docks.

IC Role / Device Role / Timing Role: Power-efficient 3-channel buffer operating from 3.3-V USB supply with 18.3-mA total I_Q.

Use Value: Enables full-resolution analog output without external LDOs or charge pumps - extends runtime and reduces thermal footprint.

Use Scenario: Driving VGA, SVGA, or XGA RGBHV signals from GPU outputs to monitor inputs in embedded industrial displays.

IC Role / Device Role / Timing Role: High-fidelity RGB line driver with 36-MHz bandwidth and <2.5 ns group delay variation across 27 MHz.

Use Value: Supports sharp text rendering and artifact-free motion at 1024×768@75 Hz and higher resolutions without pixel smearing.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-channel video buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
THS7314D	2-channel version, same 36-MHz filter, 6-dB gain, and SOIC-8 package - lacks third channel and associated pinout.	Suitable only for dual-output systems (e.g., Y/C S-video), not full Y'P'BP'R or RGB triple-channel routing.	Select when only two video channels require buffering; saves board space but requires redesign for 3-channel use cases.
LMH6739MA/NOPB	Single-channel, 550-MHz bandwidth, no integrated filter, higher I_Q (25 mA), SOIC-8 - optimized for wideband non-filtered applications.	Requires external 36-MHz filter and level-shifting circuitry; better suited for custom high-speed analog front-ends than plug-in HDTV replacement.	Choose for non-standard video formats or where programmable filtering is needed; not drop-in for THS7316D's integrated HDTV signal chain.

Compared with THS7316D, THS7314D offers channel-count reduction without functional compromise for dual-channel systems, while LMH6739MA/NOPB trades integration for bandwidth headroom and design flexibility - neither matches THS7316D's combined 3-channel, filter-integrated, low-power HDTV-optimized feature set.

Availability

THS7316D is available at Aetrix Electronics and suitable for set-top box output buffering, PVR/DVDR component video routing, and USB-powered portable display applications requiring stable component supply, RoHS compliance, and long-term industrial availability.

Supply support for THS7316D includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in high-performance video signal conditioning.

The THS7316D belongs to TI's precision video amplifier product line, designed specifically for cost-sensitive, power-constrained HDTV and computer graphics output buffering with integrated reconstruction filtering and robust sync handling.

FAQ

What is the recommended power supply decoupling for THS7316D?

THS7316D requires a 0.1-µF ceramic capacitor placed as close as possible to the VS+ (Pin 4) and GND (Pin 5) pins to suppress high-frequency noise and prevent oscillation. Additionally, a bulk capacitor (22 µF to 100 µF) should be placed on the main 3.3-V or 5-V supply rail to minimize 50/60-Hz line interference. This dual-capacitor approach ensures stable rail-to-rail output performance across temperature and load variations in the THS7316D.

Can THS7316D drive 75-Ω loads directly in DC-coupled configuration?

Yes, THS7316D supports DC-coupled 75-Ω driving: its rail-to-rail output stage delivers >3.0 V high swing and <0.21 V low swing into 75 Ω at 3.3 V supply, enabling full-swing video signals without AC coupling capacitors. The internal +140-mV input shift ensures 0-V input yields ~280-mV output - preserving sync tip amplitude and preventing AGC errors. This capability makes THS7316D ideal for compact, low-component-count video output stages.

How does the sync-tip clamp function in THS7316D differ from traditional passive clamps?

The THS7316D implements an active sync-tip clamp (STC) using an internal control loop and low-pass filter - not a passive diode-based clamp. It dynamically sources up to 3 mA to hold the input side of the AC-coupling capacitor at 0 V during sync tip intervals, then becomes high-impedance otherwise. Its built-in 80-ns response delay rejects overshoot (e.g., from VCR signals), preventing false clamping. This design ensures reliable DC restoration without distorting video content - a key distinction from conventional passive solutions used in the THS7316D.

What video standards does THS7316D explicitly support per its datasheet?

THS7316D is explicitly specified for Y'P'BP'R 720p/1080i HDTV, G'B'R' (R'G'B') RGB, and computer graphics formats including VGA, SVGA, and XGA. It also supports SDTV (480i/576i) and EDTV (480p/576p) when used with appropriate input conditioning. All specifications - including 36-MHz filter response, 0.1% differential gain, and 0.1° differential phase - are validated for NTSC and PAL systems, confirming THS7316D's suitability for global broadcast and consumer video applications.

Is THS7316D pin-compatible with other members of the THS73xx family?

No, THS7316D is not pin-compatible with other THS73xx variants: THS7314D is 2-channel (SOIC-8, Pins 1–2 = IN/OUT, Pin 3 = NC), while THS7353 is 3-channel but uses MSOP-10 packaging with different pin assignments. THS7316D's SOIC-8 pinout (CH1–CH3 IN on Pins 1–3, VS+ on Pin 4, GND on Pin 5, CH3–CH1 OUT on Pins 6–8) is unique to this part. Board-level replacement requires layout revision - THS7316D must be selected based on its specific 3-channel, SOIC-8, integrated-filter functionality.

THS7316D Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Series:: -

Packaging:: Bulk

Product Status:: Active

Applications:: Buffer

Output Type:: Rail-to-Rail

Number of Circuits:: 3

-3db Bandwidth:: 36 MHz

Slew Rate:: -

Current - Supply:: 19.3 mA

Current - Output / Channel:: 90 mA

Voltage - Supply, Single/Dual (±):: 2.85V ~ 5.5V

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

Supplier Device Package:: 8-SOIC

THS7316D FAQ

1.How can I place an order for THS7316D through Aetrix?

Please submit a Request for Quotation (RFQ) for THS7316D on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for THS7316D reliable?

The price and inventory of THS7316D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS7316D is usually 5 days.

3.What payment methods are accepted for THS7316D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS7316D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for THS7316D?

THS7316D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your THS7316D order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for THS7316D?

For technical support, including THS7316D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS7316D requirements.

6.How does Aetrix verify that THS7316D is sourced from the original manufacturer or authorized distributors?

All THS7316D products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that THS7316D meets industry standards.

7.What is the process for return or replacement of THS7316D?

All THS7316D units undergo pre-shipment inspection (PSI). If there is an issue with THS7316D, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The THS7316D part is unused and in its original packaging.

Return procedure for THS7316D:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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