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Texas Instruments THS4041IDGNR
- Part No.:
- THS4041IDGNR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
THS4041IDGNR.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT 8HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,254
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Product details
Overview
THS4041IDGNR from Texas Instruments is a single-channel, voltage-feedback operational amplifier optimized for high-speed, unity-gain-stable operation with full capacitive-load drive capability (up to 1000 pF). It delivers 165 MHz small-signal bandwidth at ±15 V, 400 V/µs slew rate, and drives 100 mA into 20 Ω - enabling use in video line drivers, ADC buffers, and high-fidelity signal conditioning stages.
For engineers reviewing the THS4041IDGNR datasheet, THS4041IDGNR pinout, THS4041IDGNR application, or THS4041IDGNR equivalent, this page provides verified electrical specifications, MSOP-8 PowerPAD® package details, video-grade distortion performance (−75 dBc THD @ 1 MHz), and validated alternatives for high-speed analog signal path design.
Technical Context
The THS4041IDGNR employs a dielectrically isolated complementary bipolar process with GHz fT transistors, enabling wide bandwidth and low distortion. Its internal C-stable compensation dynamically adjusts phase margin under varying capacitive loads without external components.
It operates in both inverting and noninverting configurations at all gains, supports dual-supply (±4.5 V to ±16.5 V) or single-supply (9 V to 33 V) operation, and features dedicated NULL pins (1 & 8) for input offset voltage trimming - a capability not present in the dual THS4042 variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW (−3 dB) | 165 MHz at ±15 V, CL = 0 pF - enables baseband video and IF signal amplification up to ~100 MHz |
| Slew rate | 400 V/µs at ±15 V - supports clean 20-Vpp output steps with <120 ns settling to 0.1% |
| Total harmonic distortion | −75 dBc @ 1 MHz, RL = 150 Ω - meets NTSC/PAL differential gain/phase specs (0.01% / 0.01°) |
| Output drive current | 100 mA typical into 20 Ω - directly drives coaxial cables, multiple 75-Ω loads, or low-impedance ADC inputs |
| Supply voltage range | ±4.5 V to ±16.5 V dual supply - compatible with legacy ±5 V, ±12 V, and ±15 V analog rails |
| Input offset voltage | 2.5 mV typical (13 mV max over −40°C to 85°C) - enables precision DC-coupled gain stages without calibration |
| Common-mode input range | ±13.8 V at ±15 V supply - supports rail-to-rail input signal handling near supply extremes |
Pinout & Package
THS4041IDGNR is housed in an 8-pin MSOP PowerPAD® (DGN) package with exposed thermal pad soldered to PCB ground plane for enhanced thermal dissipation (θJA = 58.4°C/W, θJC = 4.7°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NULL | Offset null adjustment terminal - connects to potentiometer wiper for manual VOS trimming |
| 2 | IN− | Inverting input - accepts feedback network for stable closed-loop gain configuration |
| 3 | IN+ | Noninverting input - high-impedance node (1 MΩ || 1.5 pF) for signal source connection |
| 4 | VCC− | Negative supply rail - must be decoupled with 0.1 µF ceramic capacitor near pin |
| 5 | NULL | Second offset null terminal - connects to potentiometer end and negative supply |
| 6 | OUT | Amplified output - capable of ±13.6 V swing into 1 kΩ and drives >100 pF capacitively without oscillation |
| 7 | VCC+ | Positive supply rail - requires local 0.1 µF ceramic decoupling for high-frequency stability |
| 8 | NC | No internal connection - left unconnected per TI datasheet; not bonded internally |
Key Features
| Feature | Design Value |
|---|---|
| C-stable architecture | Internally compensates for capacitive loads up to 1000 pF without external components - eliminates need for series isolation resistors in most video applications |
| Video-optimized linearity | 0.01% differential gain error and 0.01° differential phase error at NTSC - ensures broadcast-grade color fidelity in SD video systems |
| High output current | 100 mA continuous drive into 20 Ω - supports direct driving of multiple 75-Ω video lines or low-Z ADC front-ends |
| Offset null capability | Dedicated NULL pins (1 & 8) enable sub-mV VOS adjustment - critical for DC-coupled instrumentation and precision buffer applications |
| Wide supply flexibility | Operates from ±4.5 V to ±16.5 V dual supply or 9 V to 33 V single supply - simplifies integration into mixed-voltage analog subsystems |
Applications
| SD Video Line Driver | ADC Input Buffer |
|---|---|
Use Scenario: Driving composite video signals across 75-Ω coaxial cable to multiple monitors or recording devices. IC Role / Device Role / Timing Role: Unity-gain voltage follower with full capacitive load tolerance and minimal group delay variation. Use Value: Maintains 0.01% differential gain and 0.01° phase accuracy across NTSC/PAL standards without external compensation. |
Use Scenario: Buffering high-impedance sensor outputs before sampling by 12–16-bit SAR or pipeline ADCs. IC Role / Device Role / Timing Role: High-slew-rate, low-distortion driver ensuring fast settling (<120 ns to 0.1%) and minimal code-dependent nonlinearity. Use Value: Delivers −75 dBc THD at 1 MHz and 100 mA drive to overcome ADC input capacitance and maintain SNR integrity. |
| High-Speed Signal Conditioning | IF Amplifier Stage |
Use Scenario: Gain-setting stage in RF receiver chains prior to demodulation, requiring wide bandwidth and low noise. IC Role / Device Role / Timing Role: Inverting or noninverting amplifier with 165 MHz bandwidth and 14 nV/√Hz input voltage noise. Use Value: Enables flat frequency response up to 45 MHz (0.1 dB flatness) while contributing negligible noise to system NF. |
Use Scenario: Intermediate-frequency amplification in analog TV tuners or spectrum analyzers operating at 30–70 MHz. IC Role / Device Role / Timing Role: Fixed-gain (e.g., G = 2) amplifier with 60 MHz bandwidth and low group delay distortion. Use Value: Provides stable small-signal gain with <0.02° phase error across IF band - preserving modulation envelope fidelity. |
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 nV/√Hz noise, no NULL pins - optimized for low-noise preamp stages | Lacks offset null capability and reduced bandwidth limits use in >100 MHz video or fast-settling buffer roles | Select when noise dominates over speed and DC offset trim is unnecessary |
| THS4081IDGNR | 175 MHz bandwidth but lower 100 mA output current rating and higher 18 nV/√Hz noise - trade-off favors speed over drive strength | Higher quiescent current (11 mA vs 9.5 mA) and reduced output current limit suitability for heavy capacitive loads | Prefer when maximum bandwidth is critical and load impedance exceeds 50 Ω |
Compared with THS4041IDGNR, THS4031CDGNR offers superior noise performance but sacrifices 65 MHz bandwidth and offset adjustability, while THS4081IDGNR extends bandwidth by 10 MHz at the cost of output drive capability and increased noise - making THS4041IDGNR the balanced choice for video and general-purpose high-speed buffering.
Availability
THS4041IDGNR is available at Aetrix Electronics and suitable for SD video distribution, precision ADC front-end buffering, and high-speed analog signal conditioning requiring stable component supply across industrial temperature ranges (−40°C to 85°C).
Supply support for THS4041IDGNR 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, embedded processing, and digital signal solutions with over 50 years of amplifier innovation.
The THS404x family was designed specifically for high-fidelity video, instrumentation, and data acquisition systems demanding unity-gain stability, wide bandwidth, and robust capacitive-load drive - distinguishing it from general-purpose or low-power op-amp lines.
FAQ
What is the operating temperature range for THS4041IDGNR?
The THS4041IDGNR is rated for industrial operation from −40°C to +85°C, as indicated by its "I" suffix. This range is validated across all key parameters including bandwidth, slew rate, THD, and output drive - making it suitable for deployment in outdoor equipment, factory automation, and automotive infotainment head units where ambient temperatures exceed commercial limits.
Does THS4041IDGNR require external compensation for driving 1000-pF loads?
No, THS4041IDGNR does not require external compensation for 1000-pF loads. Its patented C-stable architecture automatically adds internal compensation in response to capacitive loading, maintaining stability without added resistors or capacitors - confirmed by Figure 6 and Figure 24 in the SLOS237B datasheet showing <10% overshoot at 1000 pF.
Can THS4041IDGNR be used in single-supply configurations?
Yes, THS4041IDGNR supports single-supply operation from 9 V to 33 V. When used in single-supply mode, the common-mode input range extends from 3.8 V to 4.3 V (at ±5 V equiv.) and output swing reaches ±3.5 V into 1 kΩ - enabling rail-splitter or level-shifted designs for portable test equipment and battery-powered signal chains.
How does the NULL pin functionality work on THS4041IDGNR?
The THS4041IDGNR features two dedicated NULL pins (1 and 8) that allow manual trimming of input offset voltage using a 10-kΩ potentiometer wired between them, with the wiper connected to VCC−. This circuit reduces VOS to sub-millivolt levels - a feature absent in the THS4042 dual version and critical for precision DC-coupled applications like medical sensor interfaces.
What is the thermal performance advantage of the DGN package for THS4041IDGNR?
The MSOP PowerPAD® (DGN) package of THS4041IDGNR achieves θJA = 58.4°C/W and θJC = 4.7°C/W due to its exposed copper thermal pad soldered directly to PCB ground. This allows 2.14 W power dissipation at TA = 25°C - over 2.8× higher than the SOIC (D) variant - essential for sustained 100-mA output current in compact, thermally constrained layouts.
THS4041IDGNR 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:
- 165 MHz
- Current - Input Bias:
- 2.5 µA
- Voltage - Input Offset:
- 2.5 mV
- Current - Supply:
- 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-HVSSOP
THS4041IDGNR FAQ
1.How can I place an order for THS4041IDGNR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4041IDGNR 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 THS4041IDGNR reliable?
The price and inventory of THS4041IDGNR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4041IDGNR is usually 5 days.
3.What payment methods are accepted for THS4041IDGNR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4041IDGNR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4041IDGNR?
THS4041IDGNR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4041IDGNR 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 THS4041IDGNR?
For technical support, including THS4041IDGNR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4041IDGNR requirements.
6.How does Aetrix verify that THS4041IDGNR is sourced from the original manufacturer or authorized distributors?
All THS4041IDGNR 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 THS4041IDGNR meets industry standards.
7.What is the process for return or replacement of THS4041IDGNR?
All THS4041IDGNR units undergo pre-shipment inspection (PSI). If there is an issue with THS4041IDGNR, 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 THS4041IDGNR part is unused and in its original packaging.
Return procedure for THS4041IDGNR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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