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Texas Instruments THS4012IDGNR
- Part No.:
- THS4012IDGNR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
THS4012IDGNR.pdf
- Description:
- IC OPAMP VFB 2 CIRCUIT 8HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,465
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Product details
Overview
THS4012IDGNR from Texas Instruments is a dual-channel, voltage-feedback high-speed operational amplifier optimized for precision video and wideband signal conditioning. It delivers 290-MHz bandwidth (G = 1), 310-V/µs slew rate, and 37-ns 0.1% settling time, operating from ±4.5 V to ±16 V supplies. It is used in broadcast video line drivers, high-resolution imaging front-ends, and test equipment analog signal paths.
For engineers reviewing the THS4012IDGNR datasheet, THS4012IDGNR pinout, THS4012IDGNR application, or THS4012IDGNR equivalent, key selection criteria include its 70-MHz 0.1-dB gain flatness for NTSC/PAL video, –80 dBc THD at 1 MHz, 7.5-nV/√Hz input voltage noise, and dual-channel MSOP-PowerPAD™ package with thermal optimization for sustained high-output-current operation.
Technical Context
The THS4012IDGNR employs a dielectrically isolated complementary bipolar process enabling GHz fT transistors, supporting voltage-feedback architecture with unity-gain stability and minimal phase margin trade-offs. Its internal compensation targets noninverting G = +1 configurations while maintaining 290-MHz bandwidth and low distortion across ±5 V to ±15 V supply ranges.
It features fully differential dual-channel topology with independent input common-mode range (±13 V at ±15 V supply), 110-mA output drive per channel into 20 Ω, and integrated offset nulling capability via pins 1 and 8. The DGN package includes an electrically isolated PowerPAD™ thermal pad for enhanced junction-to-board thermal resistance (θJC = 4.7°C/W).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (–3 dB) | 290 MHz at G = 1 - supports baseband video and fast pulse amplification without roll-off |
| Slew Rate | 310 V/µs - enables clean reproduction of >10-V step signals within nanoseconds |
| Settling Time (0.1%) | 37 ns - meets timing-critical sampling and reconstruction in digitizers and ADC drivers |
| Total Harmonic Distortion | –80 dBc at 1 MHz, RL = 150 Ω - preserves signal fidelity in composite video and RF IF stages |
| Input Voltage Noise | 7.5 nV/√Hz - minimizes contribution to system noise floor in low-level sensor signal chains |
| Supply Voltage Range | ±4.5 V to ±16 V - compatible with legacy ±5 V, ±12 V, and ±15 V industrial and instrumentation rails |
| Output Current Drive | 110 mA per channel - drives multiple 150-Ω video loads or 75-Ω transmission lines directly |
| Differential Gain/Phase Error | 0.006% / 0.01° at NTSC - meets broadcast-grade video specification without external correction |
Pinout & Package
THS4012IDGNR uses an 8-pin MSOP package with exposed PowerPAD™ thermal pad (DGN). The pad is electrically isolated and must be soldered to a dedicated PCB copper area with ≥5 thermal vias for optimal thermal performance (θJA = 58.4°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Offset Null (IN− side) | Connects to potentiometer wiper for manual input offset trimming; referenced to VCC− |
| 2 | Inverting Input (Channel 1) | Differential input node for first op-amp; high-impedance, low-capacitance (1.2 pF) interface |
| 3 | Noninverting Input (Channel 1) | Differential input node for first op-amp; supports rail-to-rail common-mode range up to ±13 V |
| 4 | VCC− | Negative supply rail connection; requires local 0.1-µF ceramic decoupling |
| 5 | VCC+ | Positive supply rail connection; requires local 0.1-µF ceramic decoupling |
| 6 | Inverting Input (Channel 2) | Differential input node for second op-amp; electrically identical to Pin 2 |
| 7 | Noninverting Input (Channel 2) | Differential input node for second op-amp; electrically identical to Pin 3 |
| 8 | Offset Null (IN+ side) | Connects to potentiometer end opposite wiper; referenced to VCC− for balanced nulling |
Key Features
| Feature | Design Value |
|---|---|
| 290-MHz unity-gain bandwidth | Enables full-spectrum amplification of HD video baseband (up to 75 MHz) with margin |
| 70-MHz 0.1-dB gain flatness | Ensures amplitude consistency across NTSC/PAL luminance/chrominance bands without EQ |
| 0.006% differential gain error | Eliminates color saturation drift in multi-load video distribution systems |
| PowerPAD™ thermal enhancement | Reduces junction temperature rise by >50% vs. standard MSOP under 110-mA continuous load |
| ±13-V input common-mode range (±15 V supply) | Accepts large-swing AC-coupled video signals without level-shifting circuitry |
| 37-ns 0.1% settling time | Supports >25-MSPS sampling in high-speed data acquisition front-ends |
Applications
| Broadcast Video Line Driver | High-Resolution Imaging Front-End |
|---|---|
Use Scenario: Driving multiple 150-Ω SD/HD-SDI video loads over coaxial cable in studio routers and switchers. IC Role / Device Role / Timing Role: Dual-channel buffer amplifier providing gain-of-2, DC-coupled signal isolation and impedance matching. Use Value: 0.006% differential gain error and 70-MHz flat bandwidth maintain broadcast color fidelity across all loads without post-correction. | Use Scenario: Amplifying low-noise analog outputs from CMOS/CCD image sensors in medical endoscopes and industrial inspection cameras. IC Role / Device Role / Timing Role: Low-noise, high-slew-rate signal conditioner preceding 14-bit ADC sampling at 40+ MSPS. Use Value: 7.5-nV/√Hz input voltage noise and 37-ns settling preserve dynamic range and spatial resolution in pixel data streams. |
| Automated Test Equipment (ATE) Signal Source | High-Speed Data Acquisition System |
Use Scenario: Generating calibrated, low-distortion stimulus waveforms (sine, square, pulse) for DUT characterization. IC Role / Device Role / Timing Role: Precision output driver stage delivering ±10-V, 100-MHz signals into 50-Ω loads. Use Value: –80 dBc THD at 1 MHz and 310-V/µs slew rate ensure spectral purity and edge fidelity in waveform generation. | Use Scenario: Buffering and driving multiplexed analog sensor channels into a shared high-speed ADC in vibration monitoring systems. IC Role / Device Role / Timing Role: Dual-channel track-and-hold support amplifier with fast settling and rail-to-rail output swing. Use Value: ±13.5-V output swing into 1-kΩ load and 110-mA drive capability enable direct interface to ADC reference buffers without gain stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed dual op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS4012CDGNR | Same silicon, commercial temperature range (0°C to 70°C) vs. industrial (–40°C to 85°C) | Limited to non-extended ambient environments; not qualified for industrial control cabinets or outdoor enclosures | Select THS4012CDGNR only for cost-sensitive, room-temperature lab or consumer-grade equipment. |
| LMH6629MA/NOPB | Lower 1.9-GHz GBW but higher 1.4-nV/√Hz noise; no PowerPAD™; SOIC-8 only | Better for ultra-low-noise preamp stages; lacks video-optimized distortion specs and thermal headroom | Choose LMH6629MA/NOPB when noise dominates over bandwidth and thermal constraints are relaxed. |
Compared with THS4012CDGNR, THS4012IDGNR provides extended temperature reliability and wider supply tolerance; compared with LMH6629MA/NOPB, it offers superior video distortion performance, integrated thermal management, and guaranteed 290-MHz bandwidth at G = 1 - critical for broadcast and imaging signal integrity.
Availability
THS4012IDGNR is available at Aetrix Electronics and suitable for broadcast video infrastructure, high-resolution imaging systems, and automated test equipment requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for THS4012IDGNR 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 and embedded processing technologies, with decades of heritage in high-performance op-amps and signal-chain solutions.
The THS4012IDGNR belongs to TI's THS401x family of low-distortion, high-speed amplifiers designed specifically for demanding video, instrumentation, and communications applications where bandwidth, settling accuracy, and thermal robustness are critical.
FAQ
What is the operating temperature range for THS4012IDGNR?
The THS4012IDGNR is rated for industrial temperature operation from –40°C to +85°C. This range is validated per TI's SLOS216E datasheet and ensures reliable performance in factory automation, outdoor video enclosures, and industrial test equipment where ambient conditions exceed commercial limits. The "I" suffix explicitly denotes this industrial grade, distinct from the "C" (0°C to 70°C) and "M" (–55°C to 125°C) variants of the THS4012IDGNR.
Does THS4012IDGNR require external compensation for unity-gain stability?
No, THS4012IDGNR is internally compensated for unity-gain stability in noninverting configurations. Its frequency compensation is optimized for G = +1 operation, though minor peaking may occur; TI recommends using a 100-Ω feedback resistor (Figure 30, SLOS216E) to minimize ringing and optimize settling. The THS4012IDGNR does not require external capacitors or network adjustments to remain stable at unity gain.
How is the PowerPAD™ thermal pad on THS4012IDGNR connected?
The PowerPAD™ on THS4012IDGNR is electrically isolated from all pins and must be soldered to a dedicated PCB copper pour connected to ground or a low-impedance thermal plane. TI specifies five 13-mil vias under the pad (Figure 33), with full circumferential plating to minimize thermal resistance. The pad is not tied to any signal or supply - its sole function is thermal conduction, and improper connection degrades θJA performance and risks thermal runaway under sustained 110-mA load.
Can THS4012IDGNR drive 75-Ω transmission lines directly?
Yes, THS4012IDGNR can drive 75-Ω lines directly when configured with appropriate series output termination. Its 110-mA output current drive and ±13.5-V swing into 1-kΩ (or ±12-V into 250 Ω) support 75-Ω source termination: place a 75-Ω resistor in series with each output (per Figure 27, SLOS216E) to isolate capacitive loading and match line impedance. This configuration maintains signal integrity in SDI and analog video routing without external buffers.
What is the purpose of Pins 1 and 8 on THS4012IDGNR?
Pins 1 and 8 on THS4012IDGNR provide offset nulling capability for Channel 1. A 10-kΩ potentiometer is connected between these pins, with its wiper tied to VCC− (Pin 4), allowing manual adjustment of input offset voltage to <1 mV. This feature is especially valuable in DC-coupled video gain blocks and precision instrumentation where residual offset would cause baseline drift or color shift. Pin 1 is the IN− side null terminal; Pin 8 is the IN+ side null terminal.
THS4012IDGNR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 310V/µs
- Gain Bandwidth Product:
- 290 MHz
- -3db Bandwidth:
- 290 MHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 7.8mA
- Current - Output / Channel:
- 110 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 32 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-HVSSOP
THS4012IDGNR FAQ
1.How can I place an order for THS4012IDGNR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4012IDGNR 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 THS4012IDGNR reliable?
The price and inventory of THS4012IDGNR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4012IDGNR is usually 5 days.
3.What payment methods are accepted for THS4012IDGNR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4012IDGNR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4012IDGNR?
THS4012IDGNR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4012IDGNR 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 THS4012IDGNR?
For technical support, including THS4012IDGNR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4012IDGNR requirements.
6.How does Aetrix verify that THS4012IDGNR is sourced from the original manufacturer or authorized distributors?
All THS4012IDGNR 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 THS4012IDGNR meets industry standards.
7.What is the process for return or replacement of THS4012IDGNR?
All THS4012IDGNR units undergo pre-shipment inspection (PSI). If there is an issue with THS4012IDGNR, 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 THS4012IDGNR part is unused and in its original packaging.
Return procedure for THS4012IDGNR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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