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Texas Instruments THS4001IDR
- Part No.:
- THS4001IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
THS4001IDR.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,856
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Product details
Overview
THS4001IDR from Texas Instruments is a voltage-feedback high-speed operational amplifier optimized for professional video signal conditioning and precision wideband analog applications. It delivers 270 MHz bandwidth (G = 1, –3 dB), 400 V/µs slew rate, and 40 ns settling time to 0.1%, operating from ±2.5 V to ±15 V supplies with 7.5 mA quiescent current. Its 0.04% differential gain and 0.15° differential phase errors enable broadcast-grade video reconstruction.
For engineers reviewing the THS4001IDR datasheet, THS4001IDR pinout, THS4001IDR application, or THS4001IDR equivalent, key selection criteria include unity-gain stability across inverting/noninverting configurations, 100 mA output drive capability into 150 Ω loads, low 12.5 nV/√Hz input noise, and SOIC-8 packaging compatible with standard surface-mount PCB assembly processes.
Technical Context
The THS4001IDR employs a dielectrically isolated complementary bipolar process enabling GHz fT transistors, delivering wideband voltage-feedback performance without requiring external compensation. Its internal frequency compensation ensures unconditional stability at all closed-loop gains, including unity gain in both inverting and noninverting topologies.
Designed for driving 75 Ω video lines and capacitive loads >10 pF, it supports series output isolation (e.g., 20–75 Ω) to maintain phase margin. The device features offset-null pins (1 and 8) for precision DC-coupled systems and operates across –40°C to +85°C industrial temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (–3 dB) | 270 MHz at G = 1, ±15 V - enables full HD baseband video amplification without roll-off |
| Slew Rate | 400 V/µs at ±15 V - supports fast transient response for pulse and composite video signals |
| Settling Time (0.1%) | 40 ns for 10 V step - meets timing requirements for high-resolution ADC/DAC interface buffering |
| Differential Gain/Phase | 0.04% / 0.15° at 3.58 MHz - satisfies SMPTE/ITU-R BT.601 broadcast video fidelity standards |
| Total Harmonic Distortion | –72 dBc at 1 MHz - ensures low spurious content in RF IF chain and test instrumentation front-ends |
| Supply Voltage Range | ±2.5 V to ±15 V dual supply - allows flexible integration into legacy and low-voltage analog subsystems |
| Output Drive | 100 mA into 150 Ω - drives coaxial cables, multiple downstream loads, or active filters without gain loss |
Pinout & Package
THS4001IDR is housed in an 8-pin SOIC (D) package per JEDEC MS-012AA, 1.75 mm max height, with gull-wing leads and RoHS-compliant NiPdAu finish. Pin 1 identifier is located in quadrant Q1 per tape-and-reel orientation standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | Offset Null Input | Connects to wiper of external potentiometer for fine DC offset trimming in precision video paths |
| 2 (IN–) | Inverting Input | High-impedance node for feedback network connection; requires shortest possible trace to minimize parasitic capacitance |
| 3 (IN+) | Noninverting Input | High-impedance input for signal source; must be matched to IN– trace length in differential layouts |
| 4 (VCC–) | Negative Supply Rail | Return path for internal biasing; requires dedicated 0.1 µF ceramic + 6.8 µF tantalum decoupling adjacent to pin |
| 5 (NULL) | Offset Null Output | Connected to negative supply rail to complete nulling circuit; unused if offset correction not required |
| 6 (OUT) | Amplifier Output | Capable of sourcing/sinking 100 mA; requires series resistor (≥20 Ω) when driving >10 pF capacitive loads |
| 7 (VCC+) | Positive Supply Rail | Primary power input; decoupling identical to VCC–; shared supply routing prohibited for low-noise operation |
| 8 (NC) | No Internal Connection | Unbonded pad; must remain unconnected and unstubbed to avoid parasitic coupling or EMI ingress |
Key Features
| Feature | Design Value |
|---|---|
| Unity-Gain Stable | Operates without external compensation in both inverting and noninverting configurations - eliminates risk of oscillation in video line drivers |
| Video-Optimized AC Performance | 0.1 dB gain flatness to 60 MHz and <0.05% differential gain error - preserves chroma/luma integrity in RGB/YUV signal chains |
| Wide Supply Flexibility | Functional from ±2.5 V to ±15 V - supports migration from legacy ±15 V systems to modern low-power ±5 V designs |
| Industrial Temperature Range | Specified from –40°C to +85°C - qualified for use in outdoor video encoders, industrial vision sensors, and medical imaging front-ends |
| Low Input Noise | 12.5 nV/√Hz at 10 kHz - maintains SNR in high-gain preamplifier stages for oscilloscope and spectrum analyzer inputs |
Applications
| Professional Video Distribution | High-Speed Data Acquisition |
|---|---|
Use Scenario: Amplifying and distributing component video (Y/Pb/Pr) signals across multi-monitor broadcast control rooms with minimal crosstalk and delay skew. IC Role / Device Role / Timing Role: Unity-gain buffer and driver stage ensuring impedance matching to 75 Ω coaxial infrastructure while preserving rise time and color fidelity. Use Value: Enables transmission of 1080p60 signals over 100 m RG-6 cable with <0.5 dB amplitude loss and <1 pixel timing jitter due to 270 MHz bandwidth and 40 ns settling. | Use Scenario: Conditioning analog outputs from 12-bit, 100 MSPS ADCs before FPGA-based digital processing in radar and ultrasound beamforming systems. IC Role / Device Role / Timing Role: Fast-settling output driver that maintains signal integrity during rapid code transitions and minimizes aperture uncertainty in sampling clocks. Use Value: Reduces effective ENOB degradation by limiting harmonic distortion to –72 dBc and supporting 40 ns settling for 10 V full-scale steps. |
| Test & Measurement Instrumentation | Medical Imaging Signal Chain |
Use Scenario: Front-end amplification in portable oscilloscope channels requiring wide dynamic range, low noise, and fast transient response. IC Role / Device Role / Timing Role: High-Z input buffer and gain stage with selectable offset nulling to eliminate baseline drift in DC-coupled acquisition paths. Use Value: Achieves 12-bit effective resolution up to 100 MHz via 12.5 nV/√Hz input noise and 0.04% differential gain accuracy across temperature. | Use Scenario: Driving analog outputs from CT/MRI detector ASICs to high-resolution digitizers in real-time image reconstruction pipelines. IC Role / Device Role / Timing Role: Low-distortion, high-output-current driver ensuring faithful reproduction of X-ray photon energy spectra and spatial gradients. Use Value: Maintains diagnostic accuracy by limiting THD to –72 dBc at 1 MHz and delivering 100 mA into 150 Ω termination loads without clipping. |
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 |
|---|---|---|---|
| THS4031CDR | Lower 100 MHz bandwidth, 100 V/µs slew rate, 1.6 nV/√Hz noise - optimized for lower-power, lower-frequency video | Better suited for SDTV and embedded display interfaces where 270 MHz is unnecessary | Select THS4031CDR when power budget is constrained (<5 mA) and bandwidth demand ≤100 MHz |
| THS4061IDR | 180 MHz bandwidth, same 400 V/µs slew rate, higher 14.5 nV/√Hz noise, improved 0.02% differential gain | Targeted at cost-sensitive industrial video where ultimate noise performance is secondary to gain accuracy | Choose THS4061IDR for applications needing tighter differential gain (0.02% vs. 0.04%) but tolerating 30 MHz less bandwidth |
Compared with THS4001IDR, THS4031CDR trades bandwidth and drive strength for lower power and noise, while THS4061IDR prioritizes differential gain accuracy over noise floor - making THS4001IDR the optimal choice for full-bandwidth HD video and high-fidelity data acquisition where both speed and fidelity are critical.
Availability
THS4001IDR is available at Aetrix Electronics and suitable for professional video distribution, high-speed data acquisition, test & measurement instrumentation, and medical imaging signal chain applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for THS4001IDR 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-amps and signal-chain solutions.
The THS4001IDR belongs to TI's THS4000 family of voltage-feedback amplifiers designed specifically for broadcast video, instrumentation, and high-fidelity analog signal processing where bandwidth, settling speed, and video-specific AC performance are paramount.
FAQ
What is the operating temperature range for the THS4001IDR?
The THS4001IDR is rated for industrial operation from –40°C to +85°C, as confirmed by its "I" suffix designation and TI's official packaging documentation. This range is validated across all electrical parameters including bandwidth, slew rate, and differential phase error, making THS4001IDR suitable for outdoor video enclosures, factory-floor test equipment, and medical imaging systems exposed to ambient thermal variation.
Does the THS4001IDR require external compensation for unity-gain stability?
No, the THS4001IDR is internally compensated and unconditionally stable at all closed-loop gains, including unity gain in both inverting and noninverting configurations. This eliminates the need for external compensation networks and simplifies layout - a key design advantage confirmed in the device's theory-of-operation section and application notes for THS4001IDR.
Can the THS4001IDR drive 75 Ω coaxial video lines directly?
Yes, the THS4001IDR can drive 75 Ω loads with full 100 mA output capability, but best practice requires a 75 Ω series resistor at the output pin to isolate capacitive loading and ensure impedance matching. This configuration prevents ringing and maintains signal integrity - explicitly recommended in the THS4001IDR application information for 75 Ω transmission systems.
What is the purpose of Pins 1 and 5 on the THS4001IDR?
Pins 1 (NULL) and 5 (NULL) on the THS4001IDR form the offset nulling interface: Pin 1 connects to one end of an external potentiometer, Pin 5 connects to the wiper, and the other potentiometer end ties to VCC–. This arrangement allows precise adjustment of input offset voltage down to sub-millivolt levels - a feature documented in the THS4001IDR offset nulling schematic and verified in its electrical characteristics table.
Is the THS4001IDR pin-compatible with other devices in the THS4000 family?
Yes, the THS4001IDR shares identical SOIC-8 pinout and footprint with THS4031, THS4061, and THS4062 variants, as confirmed by TI's package drawings and evaluation board schematics. This allows drop-in substitution within the same family for bandwidth or noise trade-offs - though system-level validation of AC performance remains essential due to differences in gain bandwidth product and distortion profiles.
THS4001IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 400V/µs
- Gain Bandwidth Product:
- 270 MHz
- -3db Bandwidth:
- 270 MHz
- Current - Input Bias:
- 2.6 µA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 7.8mA
- Current - Output / Channel:
- 100 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 32 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
THS4001IDR FAQ
1.How can I place an order for THS4001IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4001IDR 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 THS4001IDR reliable?
The price and inventory of THS4001IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4001IDR is usually 5 days.
3.What payment methods are accepted for THS4001IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4001IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4001IDR?
THS4001IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4001IDR 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 THS4001IDR?
For technical support, including THS4001IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4001IDR requirements.
6.How does Aetrix verify that THS4001IDR is sourced from the original manufacturer or authorized distributors?
All THS4001IDR 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 THS4001IDR meets industry standards.
7.What is the process for return or replacement of THS4001IDR?
All THS4001IDR units undergo pre-shipment inspection (PSI). If there is an issue with THS4001IDR, 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 THS4001IDR part is unused and in its original packaging.
Return procedure for THS4001IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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