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Texas Instruments THS4011ID
- Part No.:
- THS4011ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
THS4011ID.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:255
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Product details
Overview
THS4011ID from Texas Instruments is a single-channel, high-speed voltage-feedback operational amplifier designed for precision analog signal conditioning in demanding wideband systems. It delivers 290-MHz bandwidth (G = 1), 310-V/µs slew rate, and 37-ns 0.1% settling time, with ±15-V supply capability and –40°C to +85°C industrial temperature range - enabling use in high-fidelity video reconstruction and fast data acquisition front-ends.
For engineers reviewing the THS4011ID datasheet, THS4011ID pinout, THS4011ID application, or THS4011ID equivalent, key selection considerations include its unity-gain stability, low 7.5-nV/√Hz input voltage noise, –80 dBc THD at 1 MHz, 110-mA output drive, and compatibility with ±5-V to ±15-V dual supplies or 9–32-V single supplies.
Technical Context
The THS4011ID employs a dielectrically isolated complementary bipolar process with GHz fT transistors, enabling voltage-feedback architecture optimized for wide closed-loop bandwidth and minimal phase distortion. Its internal compensation ensures unity-gain stability while preserving 290-MHz small-signal bandwidth and 70-MHz 0.1-dB flatness for video applications.
It features rail-to-rail output swing into 1-kΩ loads (±13.5 V @ ±15-V supply), 82-dB CMRR at 25°C, and offset nulling capability via pins 1 and 8. Input common-mode range extends to ±14.1 V (±15-V supply), supporting high-voltage signal routing without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (–3 dB) | 290 MHz at G = 1: supports full-spectrum reconstruction of signals up to ~145 MHz fundamental without attenuation. |
| Slew Rate | 310 V/µs: enables clean amplification of fast transient signals such as pulse edges or composite video sync pulses. |
| Settling Time (0.1%) | 37 ns: ensures accurate sampling in high-speed ADC driver applications with ≥25 MSPS conversion rates. |
| Total Harmonic Distortion | –80 dBc at 1 MHz, RL = 150 Ω: preserves spectral purity in RF IF stages and high-resolution imaging signal chains. |
| Input Voltage Noise | 7.5 nV/√Hz at 10 kHz: maintains SNR integrity when amplifying µV-level sensor outputs or low-level video signals. |
| Output Current Drive | 110 mA typical: directly drives multiple 75-Ω video lines or 150-Ω DAC loads without external buffers. |
| Supply Voltage Range | ±4.5 V to ±16.5 V dual or 9–32 V single: accommodates legacy ±15-V systems and modern low-voltage industrial rails. |
Pinout & Package
THS4011ID is available in SOIC-8 (D) and thermally enhanced MSOP-8 PowerPAD™ (DGN) packages. The D package uses standard SOIC footprint; DGN adds an exposed thermal pad on the underside for improved power dissipation (2.14 W rating).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Offset Null (IN− side) | Connects to wiper of external potentiometer for manual input offset voltage trimming; 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 Pin 2 for common-mode rejection and balanced signal routing. |
| 4 | VCC− | Negative supply rail connection; must be decoupled with 0.1-µF ceramic capacitor placed ≤0.1 inch from pin. |
| 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 load; requires series resistor for >10-pF capacitive loads. |
| 7 | VCC+ | Positive supply rail connection; decoupling identical to Pin 4; shared with adjacent channels in multi-amplifier layouts. |
| 8 | Offset Null (IN+ side) | Connects to one end of external potentiometer; other end tied to VCC− to complete nulling circuit per Figure 28. |
Key Features
| Feature | Design Value |
|---|---|
| Unity-gain stable architecture | Enables direct use in G = 1 buffer, active filter, or cable driver configurations without external compensation. |
| 70-MHz 0.1-dB gain flatness | Preserves amplitude fidelity across NTSC/PAL video baseband (0–5.5 MHz) with <0.01° differential phase error. |
| Low 0.006% differential gain error | Minimizes color saturation distortion in broadcast-quality video distribution and test equipment signal paths. |
| Thermal enhancement (DGN option) | PowerPAD™ package reduces θJA to 58.4°C/W, enabling 2.14 W power dissipation - critical for continuous high-output operation. |
| Offset nulling terminals | Pins 1 and 8 support external 10-kΩ potentiometer to reduce input offset voltage below 1 mV for DC-critical applications. |
Applications
| Video Signal Reconstruction | High-Speed Data Acquisition |
|---|---|
|
Use Scenario: Reconstructing composite video (NTSC/PAL) after digital processing or transmission over lossy coaxial cable. IC Role / Device Role / Timing Role: Final-stage buffer and driver delivering full-swing, low-distortion analog output to 75-Ω monitor or recorder inputs. Use Value: 0.006% differential gain and 0.01° differential phase errors preserve color accuracy; 70-MHz bandwidth maintains luminance detail. |
Use Scenario: Driving the input of a 14-bit, 100-MSPS ADC in automated test equipment or radar digitizers. IC Role / Device Role / Timing Role: Low-noise, fast-settling op-amp configured as unity-gain follower to isolate source impedance and minimize aperture uncertainty. Use Value: 37-ns 0.1% settling ensures <0.5 LSB error at full-scale transitions; 7.5-nV/√Hz noise avoids degrading effective resolution. |
| RF/IF Signal Conditioning | Industrial Sensor Interface |
|
Use Scenario: Amplifying intermediate frequency (IF) signals in SDR receivers or spectrum analyzers before downconversion. IC Role / Device Role / Timing Role: High-linearity gain block operating at 10–70 MHz with minimal harmonic generation and group delay variation. Use Value: –80 dBc THD at 1 MHz and 290-MHz bandwidth enable clean amplification of narrowband IF signals without spurious mixing products. |
Use Scenario: Conditioning low-level outputs from piezoelectric accelerometers or strain-gauge bridges in vibration monitoring systems. IC Role / Device Role / Timing Role: Precision gain stage with offset nulling, driving anti-aliasing filters and ADC drivers in noisy industrial environments. Use Value: ±15-V supply headroom accommodates large sensor excitation voltages; 82-dB CMRR rejects common-mode noise from motor drives or switching PSUs. |
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 |
|---|---|---|---|
| THS4011CD | Same silicon, 0°C to 70°C temperature grade; lower max junction temperature (125°C vs. 150°C); identical electrical specs. | Restricted to commercial ambient environments; unsuitable for extended-temperature industrial enclosures or under-hood automotive. | Select THS4011CD only if operating ambient stays within 0–70°C and long-term reliability at elevated junction temperatures is not required. |
| THS4031ID | Lower 100-MHz bandwidth, 120-V/µs slew rate, but superior 4.5-nV/√Hz voltage noise and 0.6-pA/√Hz current noise. | Better suited for low-frequency, ultra-low-noise applications (e.g., precision instrumentation), not wideband video or fast settling. | Choose THS4031ID when noise dominates performance requirements and bandwidth needs are ≤50 MHz; avoid for video or >20-MSPS DAQ. |
Compared with THS4011CD and THS4031ID, the THS4011ID uniquely balances wide bandwidth, fast settling, and industrial temperature range - making it optimal for video infrastructure and high-speed data capture where both speed and environmental robustness are mandatory.
Availability
THS4011ID is available at Aetrix Electronics and suitable for video signal reconstruction, high-speed data acquisition, RF/IF conditioning, and industrial sensor interface applications requiring stable component supply across extended temperature ranges.
Supply support for THS4011ID 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 innovation in high-performance amplifiers and precision signal-chain solutions.
The THS4011ID belongs to TI's THS401x family of low-distortion, high-speed op-amps engineered specifically for wideband video, communications, and test equipment where bandwidth, linearity, and settling speed are critical.
FAQ
What is the maximum supply voltage for THS4011ID?
The THS4011ID supports dual-supply operation from ±4.5 V to ±16.5 V, or single-supply operation from 9 V to 32 V. Absolute maximum ratings specify ±16.5 V on each rail; exceeding this risks permanent damage. Operation at ±15 V is standard for video and instrumentation applications, delivering full 290-MHz bandwidth and ±13.5-V output swing into 1-kΩ loads.
Does THS4011ID require external compensation for unity-gain stability?
No - the THS4011ID is internally compensated for unity-gain stability. It operates reliably as a G = 1 buffer without external components. For optimized step response with minimal ringing, TI recommends using a 100-Ω feedback resistor in noninverting configurations (per Figure 30). No compensation capacitor is needed unless fine-tuning for specific load conditions.
How is the offset nulling function implemented on THS4011ID?
The THS4011ID provides dedicated offset nulling terminals at Pins 1 and 8. A 10-kΩ potentiometer is connected between these pins, with its wiper tied to VCC− (Pin 4). Adjusting the potentiometer balances input stage mismatches, reducing input offset voltage to <1 mV - essential for DC-critical applications like precision sensor interfaces or calibration circuits.
Can THS4011ID drive 75-Ω video loads directly?
Yes - the THS4011ID delivers 110-mA output current and supports ±12-V swing into 250-Ω loads. When driving 75-Ω cables, configure it as an inverting or noninverting amplifier with appropriate gain-setting resistors (e.g., 75-Ω series resistor at the output) to match line impedance and prevent reflections. TI confirms stable operation with 75-Ω loads in video applications per Figure 27 and Application Information section.
What thermal considerations apply to THS4011ID in SOIC-8 (D) versus MSOP-8 PowerPAD™ (DGN) packages?
The SOIC-8 (D) package has θJA = 167°C/W and 740-mW power rating at 25°C ambient; the MSOP-8 PowerPAD™ (DGN) reduces θJA to 58.4°C/W with 2.14-W rating due to its exposed thermal pad. For continuous 110-mA output into low-impedance loads, DGN is strongly preferred. PCB layout must include 5 × 13-mil vias under the thermal pad, connected solidly (not webbed) to an internal ground plane for effective heat transfer.
THS4011ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- -
- 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-SOIC
THS4011ID FAQ
1.How can I place an order for THS4011ID through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4011ID 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 THS4011ID reliable?
The price and inventory of THS4011ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4011ID is usually 5 days.
3.What payment methods are accepted for THS4011ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4011ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4011ID?
THS4011ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4011ID 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 THS4011ID?
For technical support, including THS4011ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4011ID requirements.
6.How does Aetrix verify that THS4011ID is sourced from the original manufacturer or authorized distributors?
All THS4011ID 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 THS4011ID meets industry standards.
7.What is the process for return or replacement of THS4011ID?
All THS4011ID units undergo pre-shipment inspection (PSI). If there is an issue with THS4011ID, 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 THS4011ID part is unused and in its original packaging.
Return procedure for THS4011ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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