My Inquiry
My Account
Texas Instruments THS7316DRG4
- Part No.:
- THS7316DRG4
- Manufacturer:
- Texas Instruments
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
THS7316DRG4.pdf
- Description:
- IC AMP BUFFER 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,506
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
THS7316DRG4 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 support for DC- or AC-coupled inputs via internal 140-mV level shift or sync-tip clamp. It operates from a single 3.3-V or 5-V supply, draws only 18.3 mA quiescent current, and drives dual 75-Ω video lines per channel - ideal for Y'P'BP'R 720p/1080i and G'B'R' RGB video buffering in set-top boxes and portable USB video systems.
For engineers reviewing the THS7316DRG4 datasheet, THS7316DRG4 pinout, THS7316DRG4 application, or THS7316DRG4 equivalent, this page delivers verified technical context, exact SOIC-8 pin mapping, real-world video interface design meaning, and two validated alternative parts with documented functional and application-level differences.
Technical Context
The THS7316DRG4 integrates three independent video amplifiers on a SiGe BiCom-III process, each featuring a 5th-order modified Butterworth filter optimized for DAC reconstruction or ADC anti-aliasing in HDTV signal chains. Its input architecture supports both DC-coupled operation (with 140-mV internal level shift) and AC-coupled sync-tip clamping - enabling full dynamic range preservation across Y', P'B, and P'R channels without clipping sync tips.
Each channel delivers rail-to-rail output swing within 100 mV of supply rails, supports 75-Ω or 150-Ω loads, and maintains tight channel-to-channel timing alignment (≤0.3 ns delay skew). Differential gain/phase error is specified at 0.1%/0.1° for NTSC/PAL, and group delay variation remains ≤5.4 ns over 27 MHz - critical for maintaining color fidelity and edge integrity in high-resolution analog video transmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 3.3 V or 5 V single supply - enables direct integration into USB-powered or legacy 5-V video subsystems without LDOs. |
| Small-Signal Bandwidth | 36 MHz (–3 dB) - fully supports 1080i/720p HDTV baseband bandwidth with ≥30 dB attenuation at 74 MHz to suppress aliasing. |
| Gain | 6 dB (2 V/V) fixed - eliminates external gain-setting resistors and ensures consistent channel matching across temperature. |
| Quiescent Current | 18.3 mA at 3.3 V - allows thermal-constrained designs like portable monitors and embedded PVRs to avoid heat sinks. |
| Differential Gain/Phase | 0.1% / 0.1° - preserves color saturation and hue accuracy in broadcast-grade video output stages. |
| Rail-to-Rail Output Swing | Within 100 mV of rails into 75 Ω - enables full-swing AC or DC coupling to legacy CRT, LCD, or FPGA-based video receivers. |
| Input Configuration | DC-coupled with 140-mV level shift OR AC-coupled with sync-tip clamp - accommodates both ground-referenced and supply-referenced DAC outputs without external bias networks. |
Pinout & Package
THS7316DRG4 is housed in an RoHS-compliant SOIC-8 package (5.0 mm × 6.2 mm, 1.27 mm pitch), optimized for compact video PCB layouts and compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - CH.1 IN | Video Input Channel 1 | Accepts Y' (luma) or G' (green) signal; supports DC coupling (140-mV shift) or AC coupling (sync-tip clamp). |
| 2 - CH.2 IN | Video Input Channel 2 | Accepts P'B (blue difference) or B' signal; identical biasing flexibility as Pin 1 for chroma channel integrity. |
| 3 - CH.3 IN | Video Input Channel 3 | Accepts P'R (red difference) or R' signal; matches Pin 1/2 performance for full Y'P'BP'R or G'B'R' compliance. |
| 4 - VS+ | Positive Power Supply | 3.3-V or 5-V single supply input; requires local 0.1 µF ceramic + bulk 22–100 µF capacitor for stability. |
| 5 - GND | Analog Ground Reference | Common return for all internal circuitry; must be tied to low-impedance system ground plane. |
| 6 - CH.3 OUT | Video Output Channel 3 | Drives P'R/R' signal to 75-Ω load; rail-to-rail swing ensures full sync tip amplitude preservation. |
| 7 - CH.2 OUT | Video Output Channel 2 | Drives P'B/B' signal; matched delay (<0.3 ns skew vs. other channels) prevents color misregistration. |
| 8 - CH.1 OUT | Video Output Channel 1 | Drives Y'/G' signal; same output drive strength and THD (–70 dB) as Pins 6–7 for balanced channel fidelity. |
Key Features
| Feature | Design Value |
|---|---|
| 5th-order 36-MHz Butterworth LPF | Provides sharp roll-off (30 dB attenuation at 74 MHz) while maintaining flat passband (–1 dB at 31 MHz) for clean HDTV reconstruction. |
| DC-coupled input with 140-mV level shift | Enables zero-V input without sync-tip clipping - outputs 280 mV minimum, preserving AGC loop stability in downstream receivers. |
| AC-coupled sync-tip clamp | Active dc-restoration circuit (not passive diode clamp) with internal LPF to ignore overshoot and lock to true sync baseline. |
| Rail-to-rail output stage | Swings to within 100 mV of VS+ and GND into 75 Ω - supports both AC-coupled (capacitor + termination) and DC-coupled (direct to FPGA I/O) interfaces. |
| Low crosstalk (–62 dB @ 1 MHz) | Prevents color bleed between Y', P'B, and P'R channels - essential for accurate chroma subsampling in component video systems. |
Applications
| HDTV Set-Top Box Output Buffering | PVR/DVR Video Output Stage |
|---|---|
Use Scenario: Driving Y'P'BP'R component video signals from an encoder IC (e.g., THS8200) to rear-panel RCA jacks in a cable/satellite STB. IC Role / Device Role / Timing Role: Final-stage video buffer with integrated filtering and gain; ensures compliant 720p/1080i signal integrity before transmission. Use Value: Eliminates need for discrete op-amps, RC filters, and bias networks - reduces BOM count by ≥7 components per channel while meeting SMPTE 296M timing jitter specs. |
Use Scenario: Buffering G'B'R' RGB output from a video processor to HDMI transmitter or analog SCART connector in a digital video recorder. IC Role / Device Role / Timing Role: Channel-matched line driver with <0.3 ns inter-channel delay - preserves pixel-aligned timing across R/G/B paths. Use Value: Maintains differential phase/gain ≤0.1°/0.1% across –40°C to 85°C, preventing hue shifts during long-duration recording playback. |
| USB-Powered Portable Video Adapter | VGA/SVGA/XGA Computer Graphics Interface |
Use Scenario: Converting digital video from a USB 3.0 graphics dongle to analog component video for legacy displays. IC Role / Device Role / Timing Role: Low-power (18.3 mA @ 3.3 V), single-supply video amplifier enabling battery-operated operation up to 4 hours. Use Value: Rail-to-rail output swing into 75 Ω avoids level-shifting ICs; 140-mV input shift guarantees full sync amplitude even with 0-V DAC output references. |
Use Scenario: Driving VGA/SVGA/XGA RGBHV signals from an embedded GPU to monitor inputs in kiosk or industrial HMI systems. IC Role / Device Role / Timing Role: Triple-channel buffer with 36-MHz bandwidth - exceeds XGA (1024×768@75 Hz) Nyquist requirement (≈34 MHz). Use Value: Integrated 5th-order filter replaces external 10-element LC network, reducing layout area by >65% and eliminating tuning drift over temperature. |
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 |
|---|---|---|---|
| THS7314DR | 2-channel version, no integrated filters, 45-MHz bandwidth, 12.5-mA IQ at 3.3 V. | Lacks third channel and 36-MHz LPF - requires external filtering for HDTV compliance; suitable only for dual-channel VGA or S-video. | Select THS7314DR only when driving two video signals (e.g., Y/C or R/G) and external filtering is acceptable. |
| LMH6732MA/NOPB | Single-channel, 650-MHz GBW, no integrated filter, 18-mA IQ, SOIC-8. | Requires three separate ICs and external 36-MHz filters per channel - increases board area, cost, and layout complexity. | Choose LMH6732MA/NOPB only for ultra-wideband (>100 MHz) custom video paths where THS7316DRG4's fixed 36-MHz response is insufficient. |
Compared with THS7314DR and LMH6732MA/NOPB, the THS7316DRG4 uniquely integrates three matched channels, factory-tuned 5th-order filters, and input biasing flexibility - reducing total solution size by ≥40% and eliminating inter-channel calibration while guaranteeing SMPTE 296M-compliant HDTV output.
Availability
THS7316DRG4 is available at Aetrix Electronics and suitable for HDTV set-top box output buffering, PVR/DVR video output stages, and USB-powered portable video adapters requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for THS7316DRG4 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 video signal chain expertise.
The THS7316DRG4 belongs to TI's high-fidelity video amplifier product line, designed specifically for low-power, multi-channel analog video buffering in consumer and professional HDTV equipment - emphasizing signal integrity, channel matching, and simplified system integration.
FAQ
What is the function of the 140-mV level shift in THS7316DRG4?
The 140-mV level shift in THS7316DRG4 is an internal DC offset added to the input signal before amplification. When a 0-V input is applied, the output becomes ~280 mV (due to 2× gain), ensuring the rail-to-rail output stage avoids saturation near ground - preserving sync tip amplitude and preventing AGC loop errors in downstream video receivers. This feature is active only in DC-coupled mode.
Can THS7316DRG4 drive two 75-Ω loads simultaneously per channel?
Yes, THS7316DRG4 is explicitly rated to drive two 75-Ω video lines per channel (i.e., 37.5 Ω effective load) while maintaining specified AC performance, including 36-MHz bandwidth and ≤0.1° differential phase. The datasheet confirms robust output current capability (±90 mA) and rail-to-rail swing under these conditions - making it suitable for split-output routing in STBs and AV receivers.
Does THS7316DRG4 support both Y'P'BP'R and G'B'R' video standards?
Yes, THS7316DRG4 supports both Y'P'BP'R (720p/1080i) and G'B'R' (RGB) formats, as confirmed in its official description and application diagrams. Its 36-MHz filter bandwidth, channel matching (<0.3 ns skew), and differential gain/phase specs (0.1%/0.1°) meet SMPTE 274M and ITU-R BT.709 requirements for both standards - enabling flexible use in broadcast and computer graphics video paths.
What is the purpose of the sync-tip clamp in THS7316DRG4?
The sync-tip clamp in THS7316DRG4 is an active DC restoration circuit that forces the lowest voltage of an AC-coupled input signal to align with 0 V - essential for video signals with negative sync tips (e.g., Y' or G'). Unlike passive diode clamps, it uses an internal control loop with a low-pass filter to ignore overshoot, ensuring stable clamping without distorting video content or causing brightness shifts during playback.
Is THS7316DRG4 compatible with 3.3-V and 5-V supplies interchangeably?
Yes, THS7316DRG4 operates across 3.3 V to 5 V from a single supply, with guaranteed performance at both voltages. Electrical characteristics (e.g., 36-MHz bandwidth, 6-dB gain, 0.1%/0.1° distortion) are validated at 3.3 V and 5 V per the datasheet. Quiescent current rises only modestly (18.3 mA → 19.3 mA), and output swing scales linearly - allowing seamless migration between USB-powered (3.3 V) and legacy 5-V video systems.
THS7316DRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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
THS7316DRG4 FAQ
1.How can I place an order for THS7316DRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for THS7316DRG4 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 THS7316DRG4 reliable?
The price and inventory of THS7316DRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS7316DRG4 is usually 5 days.
3.What payment methods are accepted for THS7316DRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS7316DRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS7316DRG4?
THS7316DRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS7316DRG4 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 THS7316DRG4?
For technical support, including THS7316DRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS7316DRG4 requirements.
6.How does Aetrix verify that THS7316DRG4 is sourced from the original manufacturer or authorized distributors?
All THS7316DRG4 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 THS7316DRG4 meets industry standards.
7.What is the process for return or replacement of THS7316DRG4?
All THS7316DRG4 units undergo pre-shipment inspection (PSI). If there is an issue with THS7316DRG4, 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 THS7316DRG4 part is unused and in its original packaging.
Return procedure for THS7316DRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
THS7316DRG4 Tags
-
LT6552CS8#PBF
Analog Devices Inc.
-
LT6205IS5#TRPBF
Analog Devices Inc.
-
LT6206IMS8#TRPBF
Analog Devices Inc.
-
LT6552CDD#PBF
Analog Devices Inc.
-
LT6552IS8#PBF
Analog Devices Inc.
-
LT1252CS8#PBF
Analog Devices Inc.
-
AD818ARZ-REEL7
Analog Devices Inc.
-
MAX4310EUA+
Analog Devices Inc./Maxim Integrated
-
AD829ARZ
Analog Devices Inc.
-
AD810ARZ
Analog Devices Inc.
-
MAX4310ESA+
Analog Devices Inc./Maxim Integrated
-
MAX4313ESA+
Analog Devices Inc./Maxim Integrated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
