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Texas Instruments THS4011IDGN
- Part No.:
- THS4011IDGN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
THS4011IDGN.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT 8HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,066
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Product details
Overview
THS4011IDGN from Texas Instruments is a single-channel, high-speed voltage-feedback operational amplifier designed for precision analog signal conditioning in demanding video and instrumentation systems. It delivers 290-MHz bandwidth (G = 1), 310-V/µs slew rate, and 37-ns 0.1% settling time while operating on ±4.5 V to ±16 V supplies - enabling high-fidelity amplification of fast transient signals in broadcast video drivers and ADC front-ends.
For engineers reviewing the THS4011IDGN datasheet, THS4011IDGN pinout, THS4011IDGN application, or THS4011IDGN equivalent, key selection considerations include its 7.5-nV/√Hz input voltage noise, –80 dBc THD at 1 MHz, ±13.5-V output swing into 1 kΩ, differential gain/phase error of 0.006%/0.01° (NTSC), and thermal performance enabled by the PowerPAD™ DGN package.
Technical Context
The THS4011IDGN employs a dielectrically isolated complementary bipolar process with GHz fT transistors, enabling wide bandwidth and low distortion without sacrificing stability in unity-gain configurations. Its internal compensation targets optimal phase margin for G = +1 operation, supporting clean step response with minimal peaking when used with a 100-Ω feedback resistor.
It features dual supply operation (±4.5 V to ±16.5 V), rail-to-rail output swing capability (±13.5 V into 1 kΩ), and robust input common-mode range (±14.1 V at ±15 V supplies). The device integrates offset nulling terminals (pins 1 and 8) and supports capacitive load driving via series output isolation (≥20 Ω recommended for >10 pF loads).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 290 MHz (–3 dB, G = 1): enables full-spectrum amplification of HD video baseband signals up to ~145 MHz Nyquist frequency. |
| Slew Rate | 310 V/µs (±15 V, G = –1): supports clean reproduction of fast-edged pulses with <1% distortion in pulse-amplifier stages. |
| THD | –80 dBc (1 MHz, RL = 150 Ω): ensures minimal harmonic contamination in RF sampling circuits and composite video paths. |
| Noise Density | 7.5 nV/√Hz (10 kHz): maintains SNR integrity when amplifying µV-level sensor outputs or low-level IF signals. |
| Output Drive | 110 mA (typical, ±15 V): drives two 75-Ω video lines simultaneously or sustains 150-Ω loads at full swing without clipping. |
| Supply Range | ±4.5 V to ±16.5 V (dual); 9 V to 33 V (single): accommodates legacy ±12 V, modern ±5 V, and industrial ±15 V power rails. |
| Differential Gain/Phase | 0.006% / 0.01° (NTSC, ±15 V): meets broadcast-grade video fidelity requirements for SD/HD component video distribution. |
Pinout & Package
The THS4011IDGN uses an 8-pin MSOP PowerPAD™ package (DGN) with exposed thermal pad on underside. This thermally enhanced construction achieves 58.4°C/W junction-to-ambient thermal resistance and supports 2.14 W power dissipation at TA = 25°C when properly soldered to PCB copper area with five 13-mil vias.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Offset Null | Connects to potentiometer wiper for manual input offset correction; referenced to VCC–. |
| 2 | Inverting Input (IN−) | Differential input node; high-impedance (2 MΩ), low capacitance (1.2 pF) for stable feedback network design. |
| 3 | Noninverting Input (IN+) | Differential input node; matched to IN− for common-mode rejection (CMRR ≥ 82 dB). |
| 4 | VCC– | Negative supply terminal; must be decoupled with 0.1 µF ceramic + 6.8 µF tantalum capacitor. |
| 5 | NC | No internal connection; electrically isolated - no routing or grounding required. |
| 6 | Output (OUT) | Class-AB output stage; capable of ±13.5 V swing into 1 kΩ and ±12 V into 250 Ω. |
| 7 | VCC+ | Positive supply terminal; same decoupling requirement as VCC–. |
| 8 | Offset Null | Connects to potentiometer end; referenced to VCC– to complete nulling circuit. |
Key Features
| Feature | Design Value |
|---|---|
| PowerPAD™ Thermal Enhancement | Enables 2.14 W continuous dissipation via exposed copper pad soldered to PCB thermal plane - critical for sustained high-output video line driving. |
| Video-Optimized AC Performance | 0.1-dB flatness to 70 MHz and sub-0.01° phase error ensure accurate color burst reproduction and minimal luminance/chrominance crosstalk. |
| Unity-Gain Stable Compensation | Internally compensated for unconditional stability at G = +1; optimized for minimal ringing with 100-Ω feedback resistor in noninverting configurations. |
| High Output Current Capability | Delivers 110 mA typical into low-Z loads - sufficient to drive multiple 75-Ω transmission lines or terminate active filter outputs without external buffers. |
| Low Input Voltage Noise | 7.5 nV/√Hz at 10 kHz allows use in low-level signal chains (e.g., photodiode preamps, medical sensor interfaces) without degrading system SNR. |
Applications
| Broadcast Video Distribution | High-Speed Data Acquisition |
|---|---|
Use Scenario: Amplifying and distributing NTSC/PAL composite video signals across multiple monitors or recording devices in studio infrastructure. IC Role / Device Role / Timing Role: Single-ended video driver with DC-coupled output, providing gain, impedance matching, and cable drive capability. Use Value: 0.006% differential gain and 0.01° phase error preserve color fidelity over long coaxial runs; 110-mA output current supports dual 75-Ω loads. | Use Scenario: Buffering and conditioning analog inputs prior to high-resolution (14–16-bit), high-sample-rate (≥10 MSPS) ADCs in test equipment. IC Role / Device Role / Timing Role: Low-noise, fast-settling input buffer that maintains signal integrity during multiplexer switching transients. Use Value: 37-ns 0.1% settling time ensures full accuracy before ADC aperture window closes; 7.5-nV/√Hz noise avoids limiting effective resolution. |
| Medical Imaging Signal Chain | RF Sampling Front-End |
Use Scenario: Amplifying low-amplitude, wideband signals from ultrasound transducers or MRI gradient coils before digitization. IC Role / Device Role / Timing Role: High-linearity, low-distortion gain stage preserving dynamic range and harmonic content of diagnostic waveforms. Use Value: –80 dBc THD at 1 MHz prevents spurious artifacts in spectral analysis; ±13.5-V output swing maximizes ADC utilization. | Use Scenario: Driving anti-aliasing filters and ADC inputs in direct RF sampling receivers operating up to 100 MHz IF. IC Role / Device Role / Timing Role: Wideband, low-phase-noise buffer isolating filter networks from ADC input capacitance. Use Value: 290-MHz bandwidth supports >100 MHz IF passbands; 70-MHz 0.1-dB flatness ensures amplitude consistency across channel bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS4011ID | Same silicon, SOIC-8 (D) package; higher θJA = 167°C/W; no thermal pad; lower max power dissipation (740 mW). | Preferred where board space permits larger footprint and thermal load is moderate (<500 mW). | Select THS4011ID when thermal management via heatsink or airflow is available and MSOP size is not constrained. |
| LMH6702MA | Higher 1.7-GHz bandwidth but higher 9.5-nV/√Hz noise; no offset null pins; different pinout; requires external compensation for stability. | Better suited for RF gain blocks >100 MHz; less suitable for precision video or low-noise sensor buffering. | Choose LMH6702MA only when bandwidth >500 MHz is mandatory and THD/noise trade-offs are acceptable. |
Compared with THS4011IDGN, THS4011ID offers identical electrical performance in a standard SOIC but lacks thermal enhancement for high-power video line driving, while LMH6702MA trades video-grade linearity and ease of use for raw bandwidth - making THS4011IDGN optimal for broadcast, instrumentation, and mixed-signal front-end applications requiring both speed and fidelity.
Availability
THS4011IDGN is available at Aetrix Electronics and suitable for broadcast video infrastructure, high-speed data acquisition systems, and medical imaging equipment requiring stable component supply across extended temperature ranges (–40°C to +85°C).
Supply support for THS4011IDGN 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.
The THS4011IDGN belongs to TI's high-speed precision op-amp product line, engineered specifically for applications demanding simultaneous wide bandwidth, low distortion, and video-grade signal fidelity - including broadcast infrastructure, test & measurement, and medical imaging.
FAQ
What is the maximum safe supply voltage for THS4011IDGN?
The absolute maximum supply voltage for THS4011IDGN is ±16.5 V for dual-supply operation. Operating beyond this risks permanent damage to the internal bipolar transistors. Recommended operating range is ±4.5 V to ±16 V per the datasheet; at ±16 V, output swing remains functional but thermal dissipation must be managed via the PowerPAD™ layout to avoid exceeding 150°C junction temperature.
Does THS4011IDGN require external compensation for unity-gain stability?
No, THS4011IDGN is internally compensated for unconditional unity-gain stability. Its frequency compensation is optimized for G = +1 noninverting configurations, delivering clean step response with minimal overshoot when using a 100-Ω feedback resistor. External compensation is unnecessary and may degrade bandwidth or increase settling time.
How is the PowerPAD™ thermal pad on THS4011IDGN connected electrically?
The PowerPAD™ thermal pad on THS4011IDGN is electrically isolated from all eight signal pins and must not be connected to any voltage rail or ground net. It serves solely as a thermal conduction path: it is soldered directly to a dedicated PCB copper area tied to internal ground planes via five 13-mil vias to maximize heat transfer away from the die.
Can THS4011IDGN drive a 50-Ω load effectively?
Yes, THS4011IDGN can drive a 50-Ω load, delivering ±12 V output swing (at ±15 V supplies) and sustaining 110 mA output current. For optimal RF performance, place a 20–50 Ω series resistor between the output pin and the 50-Ω load to suppress potential high-frequency ringing caused by capacitive loading - consistent with TI's recommended layout for transmission-line driving.
What is the purpose of pins 1 and 8 on THS4011IDGN?
Pins 1 and 8 on THS4011IDGN are offset null terminals. They connect to opposite ends of a 10-kΩ potentiometer, with the wiper tied to VCC–, allowing manual adjustment of input offset voltage down to <1 mV. This feature is especially valuable in precision DC-coupled video or instrumentation circuits where residual offset would cause baseline drift or color tilt.
THS4011IDGN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- 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
THS4011IDGN FAQ
1.How can I place an order for THS4011IDGN through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4011IDGN 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 THS4011IDGN reliable?
The price and inventory of THS4011IDGN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4011IDGN is usually 5 days.
3.What payment methods are accepted for THS4011IDGN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4011IDGN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4011IDGN?
THS4011IDGN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4011IDGN 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 THS4011IDGN?
For technical support, including THS4011IDGN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4011IDGN requirements.
6.How does Aetrix verify that THS4011IDGN is sourced from the original manufacturer or authorized distributors?
All THS4011IDGN 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 THS4011IDGN meets industry standards.
7.What is the process for return or replacement of THS4011IDGN?
All THS4011IDGN units undergo pre-shipment inspection (PSI). If there is an issue with THS4011IDGN, 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 THS4011IDGN part is unused and in its original packaging.
Return procedure for THS4011IDGN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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