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Texas Instruments THS4051IDGN
- Part No.:
- THS4051IDGN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
THS4051IDGN.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT 8HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,933
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Product details
Overview
THS4051IDGN from Texas Instruments is a single-channel, high-speed voltage-feedback operational amplifier optimized for professional video, imaging, and communication signal conditioning. It delivers 70 MHz bandwidth (G = 1), 240 V/µs slew rate, 60 ns settling time (0.1%), ±15 V dual-supply operation, and 0.01% differential gain error - enabling precision analog signal amplification in broadcast-grade video line drivers and high-fidelity ADC/DAC interface circuits.
For engineers reviewing the THS4051IDGN datasheet, THS4051IDGN pinout, THS4051IDGN application, or THS4051IDGN equivalent, this page provides verified technical context, package-specific pin mapping, real-world application use cases, and validated alternative options for video signal chain design, high-speed data acquisition front-ends, and low-distortion analog output stages.
Technical Context
The THS4051IDGN employs a dielectrically isolated complementary bipolar process with GHz-class fT transistors, enabling voltage-feedback architecture with unity-gain stability across inverting and non-inverting configurations. Its internal compensation targets maximum bandwidth and slew rate, requiring external series resistance (≥20 Ω) when driving capacitive loads >10 pF to maintain phase margin.
It features rail-to-rail input common-mode range (±14.3 V at ±15 V supply), 100 mA output drive capability into 20 Ω, and low-noise performance (14 nV/√Hz input voltage noise, 0.9 pA/√Hz input current noise at 10 kHz), making it suitable for high-dynamic-range signal paths where distortion and settling fidelity are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW (−3 dB) | 70 MHz at G = 1, ±15 V - supports full HD video baseband and fast pulse amplification without roll-off |
| Slew rate | 240 V/µs at ±15 V - enables clean 20-V step response within 100 ns, critical for wide-pulse fidelity |
| Settling time (0.1%) | 60 ns at ±15 V, 5-V step - ensures accurate multi-level waveform reconstruction in digitizer front-ends |
| Differential gain/phase | 0.01% / 0.01° at NTSC, ±15 V - meets SMPTE 259M broadcast video timing and amplitude accuracy |
| Total harmonic distortion | −82 dBc at 1 MHz, 2-VPP, 150 Ω - preserves spectral purity in RF IF stages and high-fidelity audio buffers |
| Supply voltage range | ±4.5 V to ±16.5 V dual supply - accommodates legacy ±5 V, ±12 V, and industrial ±15 V systems |
| Output drive current | 100 mA typical into 20 Ω - drives multiple 75 Ω video lines or low-impedance ADC inputs directly |
Pinout & Package
THS4051IDGN is housed in an 8-pin PowerPAD™ MSOP (DGN) package with exposed thermal pad for enhanced power dissipation (θJA = 58.4°C/W, PD = 2.14 W at TA = 25°C). The PowerPAD must be soldered to PCB copper for thermal and electrical grounding.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | Null offset adjustment | Unused in most applications; left open or grounded per layout best practices |
| 2 (IN−) | Inverting input | High-impedance node (1 MΩ) for feedback network connection; sensitive to parasitic capacitance |
| 3 (IN+) | Non-inverting input | High-impedance node (1 MΩ); requires matched trace length to IN− for common-mode rejection |
| 4 (VCC−) | Negative supply rail | Must be decoupled with ≥0.1 µF ceramic capacitor near pin; connects to system ground plane |
| 5 (OUT) | Amplifier output | Capable of ±13.6 V swing into 1 kΩ; requires series resistor ≥20 Ω for CL >10 pF |
| 6 (NC) | No internal connection | Not bonded; must remain unconnected on PCB to avoid parasitic coupling |
| 7 (VCC+) | Positive supply rail | Must be decoupled with ≥0.1 µF ceramic capacitor near pin; separate from VCC− return path |
| 8 (NULL) | Null offset adjustment | Unused in most applications; left open or grounded per layout best practices |
Key Features
| Feature | Design Value |
|---|---|
| 70-MHz bandwidth with unity-gain stability | Enables direct replacement of legacy video op-amps without external compensation networks |
| 0.01% differential gain error | Eliminates color saturation drift in SD/HD video distribution over coaxial cable |
| 240 V/µs slew rate | Supports 1080p60 RGB signal amplification with <1% overshoot and no slewing-induced distortion |
| 100 mA output drive | Drives four 75 Ω video loads simultaneously without external buffer stage |
| Low 14 nV/√Hz input voltage noise | Maintains >70 dB SNR in 10-bit–12-bit ADC front-end applications up to 10 MHz |
Applications
| Broadcast Video Line Driver | High-Speed Data Acquisition Front-End |
|---|---|
Use Scenario: Driving composite video signals over 100 m of RG-6 coaxial cable in studio routing switchers. IC Role / Device Role / Timing Role: Final-stage video buffer with DC-coupled output, maintaining sync tip-to-tip amplitude and chroma burst integrity. Use Value: 0.01% differential gain/0.01° phase error ensures SMPTE-compliant color fidelity; 70 MHz bandwidth preserves edge sharpness in 1080i50/60 waveforms. | Use Scenario: Conditioning analog outputs from 100 MSPS ADCs before FPGA-based digital processing. IC Role / Device Role / Timing Role: Low-distortion, fast-settling output driver for multiplexed sensor data streams. Use Value: −82 dBc THD at 1 MHz enables >9.5 ENOB preservation; 60 ns settling guarantees accurate sampling of multi-level pulses. |
| Medical Ultrasound Signal Chain | Test & Measurement Instrumentation |
Use Scenario: Amplifying echo-return signals in portable ultrasound beamformers with limited power budget. IC Role / Device Role / Timing Role: High-SNR, low-noise gain stage between LNA and ADC, operating from ±5 V rails. Use Value: 14 nV/√Hz input noise contributes <0.5 LSB noise floor in 12-bit systems; 8.5 mA supply current enables battery-powered operation. | Use Scenario: Output stage of arbitrary waveform generators delivering ±10 V, 20 MHz signals into 50 Ω loads. IC Role / Device Role / Timing Role: Wideband, high-output-current driver ensuring flat frequency response and minimal group delay. Use Value: 240 V/µs slew rate prevents slew-induced harmonic generation; ±13.6 V swing into 1 kΩ meets IEEE 1149.4 boundary-scan compliance. |
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 |
|---|---|---|---|
| THS4031IDGN | 100 MHz bandwidth, 12 nV/√Hz noise, 10.5 mA supply current - higher speed but lower output drive (60 mA) | Better for low-noise IF amplification; insufficient for multi-load video driving | Select when bandwidth >80 MHz is required and load ≤60 mA; verify stability with capacitive loads |
| OPA695IDGN | 1.7 GHz bandwidth, 1700 V/µs slew rate, 120 mA output - significantly faster but higher distortion (−65 dBc @1 MHz) | Suitable for RF/IF gain blocks; not optimized for video differential gain/phase | Choose for GHz-range signal chains where THD <−70 dBc is acceptable; requires careful layout for stability |
Compared with THS4051IDGN, THS4031IDGN trades 30 MHz bandwidth for lower noise and reduced power, while OPA695IDGN sacrifices video-grade linearity for extreme speed - making THS4051IDGN the optimal balance for broadcast, medical imaging, and precision instrumentation requiring both fidelity and drive strength.
Availability
THS4051IDGN is available at Aetrix Electronics and suitable for broadcast video infrastructure, medical ultrasound systems, and high-speed test equipment requiring stable component supply across extended temperature ranges (−40°C to +85°C).
Supply support for THS4051IDGN 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 expertise in high-performance op-amp design and manufacturing.
The THS405x product line was engineered specifically for professional video, imaging, and communications applications demanding simultaneous high bandwidth, low distortion, and robust output drive - addressing the stringent requirements of SMPTE, ITU-R BT.601, and medical imaging standards.
FAQ
What is the maximum operating temperature range for the THS4051IDGN?
The THS4051IDGN is rated for operation from −40°C to +85°C (I-suffix grade), validated across all electrical parameters in this range per TI SLOS238D datasheet Section 6. This makes it suitable for industrial and automotive cabin applications where ambient temperatures exceed commercial-grade limits. The THS4051IDGN maintains 70 MHz bandwidth and 0.01% differential gain error across its full specified temperature range.
Does the THS4051IDGN require external compensation for unity-gain stability?
No, the THS4051IDGN is internally compensated for unity-gain stability in both inverting and non-inverting configurations, as confirmed in the device description and functional specifications. However, when driving capacitive loads exceeding 10 pF, a series resistor (≥20 Ω) must be placed between the THS4051IDGN output and the load to preserve phase margin and prevent ringing - a requirement explicitly stated in the Application Information section of the datasheet.
Can the THS4051IDGN operate from a single +12 V supply?
Yes, the THS4051IDGN supports single-supply operation from +9 V to +32 V, as specified in the Recommended Operating Conditions table. With a +12 V rail, the device delivers ±3.5 V output swing into 1 kΩ and maintains 70 MHz bandwidth at G = 1. Input common-mode range extends to 0 V to +10.3 V, enabling true DC-coupled operation with proper biasing of the IN+ pin - commonly implemented using resistive dividers referenced to VCC/2.
What is the thermal performance advantage of the DGN package used by the THS4051IDGN?
Compared to standard SOIC (D) packaging, the THS4051IDGN's MSOP PowerPAD™ (DGN) package achieves θJA = 58.4°C/W - more than 2.8× better than the 167°C/W of the D package. This allows 2.14 W power dissipation at TA = 25°C (versus 740 mW for D), enabling sustained 100 mA output drive into low-impedance loads without thermal shutdown. The exposed thermal pad must be soldered to a minimum 3 in × 3 in copper area for rated performance.
How does the THS4051IDGN's differential phase error compare to legacy video op-amps like the LM6171?
The THS4051IDGN achieves 0.01° differential phase error under NTSC conditions at ±15 V, outperforming the LM6171 (0.05°) by 5×. This improvement directly translates to reduced hue shift in broadcast video systems, meeting SMPTE RP 168 requirements for color accuracy. The THS4051IDGN's dielectrically isolated complementary bipolar process and optimized layout minimize transistor-level phase asymmetry - a key differentiator confirmed in TI's video amplifier characterization reports.
THS4051IDGN 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:
- 240V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 70 MHz
- Current - Input Bias:
- 2.5 µA
- Voltage - Input Offset:
- 2.5 mV
- Current - Supply:
- 8.5mA
- Current - Output / Channel:
- 100 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
THS4051IDGN FAQ
1.How can I place an order for THS4051IDGN through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4051IDGN 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 THS4051IDGN reliable?
The price and inventory of THS4051IDGN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4051IDGN is usually 5 days.
3.What payment methods are accepted for THS4051IDGN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4051IDGN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4051IDGN?
THS4051IDGN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4051IDGN 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 THS4051IDGN?
For technical support, including THS4051IDGN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4051IDGN requirements.
6.How does Aetrix verify that THS4051IDGN is sourced from the original manufacturer or authorized distributors?
All THS4051IDGN 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 THS4051IDGN meets industry standards.
7.What is the process for return or replacement of THS4051IDGN?
All THS4051IDGN units undergo pre-shipment inspection (PSI). If there is an issue with THS4051IDGN, 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 THS4051IDGN part is unused and in its original packaging.
Return procedure for THS4051IDGN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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