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Texas Instruments THS4061CDGNR
- Part No.:
- THS4061CDGNR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
THS4061CDGNR.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT 8HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,935
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Product details
Overview
THS4061CDGNR from Texas Instruments is a single-channel, high-speed voltage-feedback operational amplifier optimized for video, imaging, and communication signal conditioning. It delivers 180 MHz bandwidth (G = 1), 400 V/µs slew rate, 40 ns settling time (0.1%), ±11.5 V output swing (±15 V supply), and 0.02% differential gain error - enabling precision analog front-end design in broadcast-grade video line drivers and high-fidelity ADC/DAC buffers.
For engineers reviewing the THS4061CDGNR datasheet, THS4061CDGNR pinout, THS4061CDGNR application, or THS4061CDGNR equivalent, key selection criteria include its DGN package thermal performance (2.14 W at 25°C), stable unity-gain operation, low distortion (−72 dBc THD at 1 MHz), and compatibility with ±4.5 V to ±16.5 V dual supplies or 9–33 V single supplies.
Technical Context
The THS4061CDGNR uses a dielectrically isolated complementary bipolar process with GHz fT transistors, enabling wideband voltage-feedback architecture. Its internal compensation ensures stability at all gains in both inverting and noninverting configurations without external components.
It features dedicated null pins (1 and 8) for offset trimming, supports capacitive load isolation via series output resistors (≥20 Ω), and requires PowerPAD thermal connection to PCB ground plane for rated power dissipation - critical for sustained 115 mA output drive capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW | 180 MHz at G = 1 (±15 V), enables baseband video and high-speed data acquisition up to ~120 MHz usable bandwidth |
| Slew rate | 400 V/µs (±15 V), supports full-scale 5-V step transitions in ≤12.5 ns without slewing distortion |
| Settling time | 40 ns to 0.1%, meets timing-critical sampling requirements for 10-bit+ systems at ≥10 MSPS |
| Differential gain/phase | 0.02% / 0.02° (NTSC, ±15 V), satisfies SMPTE 253M broadcast video fidelity standards |
| THD | −72 dBc at f = 1 MHz, ensures minimal harmonic contamination in IF/RF signal chains |
| Supply range | ±4.5 V to ±16.5 V dual or 9–33 V single, allows direct integration into legacy ±12 V or modern 24 V industrial rails |
| Output current | 115 mA (typ), drives 75 Ω video loads, multiple ADC inputs, or active filter stages without buffering |
Pinout & Package
The THS4061CDGNR is housed in an 8-pin HVSSOP (DGN) package with exposed PowerPAD thermal pad on the underside, requiring solder connection to a PCB thermal plane for rated 2.14 W dissipation at 25°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | Offset null input | Connects to potentiometer wiper for manual input offset adjustment; unused pins must be left open or tied to VCC− |
| 2 (IN−) | Inverting input | High-impedance node (1 MΩ) with 2 pF capacitance; layout requires shortest possible trace to minimize noise pickup |
| 3 (IN+) | Noninverting input | Common-mode range extends to ±14.1 V (±15 V supply); supports rail-to-rail input in many configurations |
| 4 (VCC−) | Negative supply | Must be decoupled with 0.1 µF ceramic + 6.8 µF tantalum; shared decoupling not recommended per channel |
| 5 (NC) | No internal connection | Not bonded; no electrical function; may be used as thermal relief or left unconnected |
| 6 (OUT) | Amplifier output | Capable of ±13.5 V swing into 1 kΩ; requires ≥20 Ω series resistor when driving >10 pF capacitive loads |
| 7 (VCC+) | Positive supply | Same decoupling requirement as VCC−; PowerPAD must connect to same ground plane as VCC− return path |
| 8 (NULL) | Offset null reference | Connected to negative supply (VCC−) when using external nulling potentiometer between pins 1 and 8 |
Key Features
| Feature | Design Value |
|---|---|
| Unity-gain stable | Operates without oscillation at G = 1 in both inverting and noninverting modes - eliminates need for external compensation networks |
| PowerPAD thermal interface | Exposed copper pad enables 1.37 W dissipation at 70°C ambient - critical for sustained high-output-current operation |
| Low video distortion | 0.02% differential gain and 0.02° differential phase errors meet professional broadcast equipment specifications (SMPTE 253M) |
| High output drive | 115 mA continuous output current supports direct driving of 75 Ω coaxial lines, multiple parallel ADC inputs, or active filters |
| Wide supply flexibility | Supports ±4.5 V to ±16.5 V dual supplies or 9–33 V single supply - simplifies system-level power architecture |
Applications
| Video Line Driver | High-Speed Data Acquisition |
|---|---|
Use Scenario: Driving composite NTSC/PAL video signals over 75 Ω coaxial cable to monitors or recording devices. IC Role / Device Role / Timing Role: Single-ended buffer with G = 2 configuration, maintaining signal integrity across 0–75 MHz bandwidth. Use Value: 0.02% differential gain error preserves color fidelity; 75 MHz 0.1 dB flatness ensures minimal amplitude distortion across broadcast spectrum. | Use Scenario: Buffering high-resolution ADC inputs in oscilloscopes or automated test equipment. IC Role / Device Role / Timing Role: Track-and-hold amplifier front-end, delivering fast settling (<40 ns) and low THD (−72 dBc) for accurate waveform capture. Use Value: 400 V/µs slew rate prevents distortion on fast transient edges; 180 MHz bandwidth supports >100 MSPS sampling without aliasing. |
| Communications Baseband | Medical Imaging Signal Chain |
Use Scenario: Conditioning I/Q baseband signals in software-defined radio (SDR) transceivers before DAC output. IC Role / Device Role / Timing Role: Low-distortion gain stage with matched differential pair outputs for quadrature signal paths. Use Value: −72 dBc THD at 1 MHz minimizes spectral regrowth; wide CMRR (70–110 dB) rejects common-mode noise from mixed-signal PCBs. | Use Scenario: Amplifying low-amplitude sensor outputs (e.g., ultrasound transducer preamps) prior to digitization. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth gain block with 14.5 nV/√Hz input voltage noise and 1.6 pA/√Hz current noise. Use Value: 180 MHz bandwidth captures fast transient echoes; 115 mA output drives anti-aliasing filter stages without gain loss. |
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 |
|---|---|---|---|
| THS4031CDGNR | 100 MHz bandwidth, lower 12.5 nV/√Hz noise, 200 V/µs slew rate - optimized for low-noise, medium-speed precision | Better suited for sensor interfaces where noise dominates over speed; insufficient for 75 MHz video flatness | Select when THD < −80 dBc and noise < 15 nV/√Hz are prioritized over bandwidth and output drive |
| LMH6702MF/NOPB | 1.8 GHz bandwidth, 3100 V/µs slew rate, higher 15.5 mA quiescent current - ultra-high-speed but less video-optimized | Lacks specified differential gain/phase metrics; requires external compensation for unity-gain stability | Choose for RF/IF gain blocks above 200 MHz where video fidelity is not required |
Compared with THS4031CDGNR and LMH6702MF/NOPB, the THS4061CDGNR uniquely balances 180 MHz bandwidth, broadcast-grade video linearity (0.02%/0.02°), and robust 115 mA output drive in a thermally enhanced DGN package - making it the optimal choice for cost-sensitive, high-fidelity analog signal routing where thermal management and video compliance are mandatory.
Availability
THS4061CDGNR is available at Aetrix Electronics and suitable for video line drivers, high-speed data acquisition systems, and communications baseband conditioning requiring stable component supply, consistent thermal performance, and long-term industrial lifecycle support.
Supply support for THS4061CDGNR 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 amplifiers and precision signal chain solutions.
The THS4061CDGNR belongs to TI's THS406x family of high-speed voltage-feedback op-amps, designed specifically for demanding video, imaging, and communications applications where bandwidth, linearity, and output drive must coexist without compromise.
FAQ
What is the maximum operating temperature range for the THS4061CDGNR?
The THS4061CDGNR is rated for 0°C to 70°C operating free-air temperature (C-suffix). Its absolute maximum junction temperature is 150°C, and thermal design must ensure junction temperature remains within limits using the DGN package's PowerPAD - which requires solder connection to a PCB thermal plane for rated 2.14 W dissipation at 25°C ambient. Derating follows 17.1 mW/°C above 25°C.
Does the THS4061CDGNR require external compensation for unity-gain stability?
No, the THS4061CDGNR is internally compensated and unity-gain stable in both inverting and noninverting configurations. Its frequency compensation is optimized for wide bandwidth while maintaining minimum phase margin at G = +1. For optimal settling time and minimal ringing, TI recommends a 270 Ω feedback resistor in noninverting unity-gain applications - no external capacitors are needed for basic stability.
How should the PowerPAD on the THS4061CDGNR be connected for thermal performance?
The PowerPAD on the THS4061CDGNR must be soldered directly to a large, low-thermal-resistance PCB copper plane connected to circuit ground. This acts as a heatsink and is essential to achieve the rated 2.14 W power dissipation at 25°C ambient. Failure to connect the PowerPAD results in excessive junction temperature rise and potential device failure. Thermal vias under the pad are strongly recommended to enhance heat transfer to inner or bottom layers.
Can the THS4061CDGNR drive a 75 Ω video load directly?
Yes, the THS4061CDGNR can drive a 75 Ω video load directly in a G = 2 line driver configuration. With ±15 V supplies, it delivers ±11.5 V output swing into 250 Ω and ±13.5 V into 1 kΩ - sufficient for standard 1 VPP video levels. For optimal impedance matching and capacitive load isolation, TI recommends placing a 75 Ω series resistor at the output, which simultaneously provides source termination and isolates stray capacitance.
What are the key layout recommendations for the THS4061CDGNR to maintain high-frequency performance?
Key layout practices for the THS4061CDGNR include: using a solid ground plane (with local removal only under IN−/IN+/OUT traces), placing 0.1 µF ceramic + 6.8 µF tantalum decoupling capacitors within 0.1 inch of each supply pin, avoiding sockets (surface-mount only), minimizing trace lengths - especially at the inverting input - and using surface-mount passives to reduce parasitic inductance. The evaluation board (SLOP226) serves as a validated reference layout.
THS4061CDGNR 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:
- 1
- Output Type:
- -
- Slew Rate:
- 400V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 180 MHz
- Current - Input Bias:
- 3 µA
- Voltage - Input Offset:
- 2.5 mV
- Current - Supply:
- 7.8mA
- Current - Output / Channel:
- 115 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 33 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-HVSSOP
THS4061CDGNR FAQ
1.How can I place an order for THS4061CDGNR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4061CDGNR 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 THS4061CDGNR reliable?
The price and inventory of THS4061CDGNR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4061CDGNR is usually 5 days.
3.What payment methods are accepted for THS4061CDGNR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4061CDGNR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4061CDGNR?
THS4061CDGNR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4061CDGNR 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 THS4061CDGNR?
For technical support, including THS4061CDGNR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4061CDGNR requirements.
6.How does Aetrix verify that THS4061CDGNR is sourced from the original manufacturer or authorized distributors?
All THS4061CDGNR 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 THS4061CDGNR meets industry standards.
7.What is the process for return or replacement of THS4061CDGNR?
All THS4061CDGNR units undergo pre-shipment inspection (PSI). If there is an issue with THS4061CDGNR, 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 THS4061CDGNR part is unused and in its original packaging.
Return procedure for THS4061CDGNR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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