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Texas Instruments THS4001ID
- Part No.:
- THS4001ID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
THS4001ID.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,058
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Product details
Overview
THS4001ID from Texas Instruments is a voltage-feedback high-speed operational amplifier optimized for professional video signal conditioning and wideband analog signal processing. 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 line driving.
For engineers reviewing the THS4001ID datasheet, THS4001ID pinout, THS4001ID application, or THS4001ID 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 guaranteed operation from –40°C to +85°C in SOIC-8 packaging.
Technical Context
The THS4001ID 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 gains, including unity-gain noninverting and inverting configurations.
Designed for demanding analog signal paths, it supports dual-supply operation (±2.5 V to ±15 V) and single-supply operation (5 V to 32 V), with rail-to-rail input common-mode range (±13.5 V at ±15 V supply) and ±13 V output swing into 500 Ω. The device features dedicated NULL pins (1 and 8) for offset nulling via external potentiometer.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (–3 dB) | 270 MHz at G = 1, ±15 V - enables baseband video and high-frequency instrumentation signal amplification without gain peaking. |
| Slew Rate | 400 V/µs at ±15 V - supports fast transient response for pulse and composite video signals with minimal distortion. |
| Settling Time (0.1%) | 40 ns for 10 V step at G = –1 - ensures accurate reconstruction of high-speed digital-to-analog converter outputs. |
| Differential Gain/Phase | 0.04% / 0.15° at 3.58 MHz - meets SMPTE/EBU broadcast video fidelity requirements for RGB and Y/C component systems. |
| Supply Voltage Range | ±2.5 V to ±15 V dual or 5 V to 32 V single - allows flexible integration into legacy ±15 V industrial systems and modern low-voltage embedded platforms. |
| Output Drive | 100 mA continuous into 20 Ω - drives coaxial cables, ADC inputs, and active filters without external buffering. |
| Input Noise Voltage | 12.5 nV/√Hz at 10 kHz - preserves signal integrity in low-level sensor front-ends and precision acquisition stages. |
Pinout & Package
THS4001ID is housed in an 8-pin SOIC (D) package per JEDEC MS-012AA, with 1.27 mm pitch, 3.91 mm body width, and 1.75 mm max height. Pin 1 identifier is located in the top-left corner when viewing the top side with the marking dot oriented upright.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | Offset Null Input | Connects to wiper of external potentiometer for fine-tuning input offset voltage; referenced to VCC–. |
| 2 (IN–) | Inverting Input | High-impedance node for feedback network connection; requires shortest possible trace length to minimize parasitic capacitance. |
| 3 (IN+) | Noninverting Input | High-impedance input for signal source; matched layout to IN– critical for common-mode rejection. |
| 4 (VCC–) | Negative Supply Rail | Must be decoupled with 0.1 µF ceramic + 6.8 µF tantalum capacitors placed within 2.5 mm of pin. |
| 5 (NULL) | Offset Null Input | Connects to one end of external potentiometer; tied to VCC– for offset adjustment circuit. |
| 6 (OUT) | Amplifier Output | Capable of sourcing/sinking 100 mA; series resistor (≥20 Ω) required when driving >10 pF capacitive loads. |
| 7 (VCC+) | Positive Supply Rail | Must be decoupled identically to VCC–; shared decoupling not recommended for multi-amplifier layouts. |
| 8 (NC) | No Internal Connection | Unbonded die pad; electrically isolated and must not be connected to any net or ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Unity-Gain Stable | Operates unconditionally stable in both inverting and noninverting configurations at G = 1 without external compensation components. |
| Wide Supply Range | Supports ±2.5 V to ±15 V dual supplies or 5 V to 32 V single supply - simplifies system power architecture across industrial, test, and video equipment. |
| Video-Optimized Linearity | 0.04% differential gain and 0.15° differential phase at 3.58 MHz - eliminates color shift and timing skew in SD/HD component video distribution. |
| Low Distortion | –72 dBc THD at 1 MHz - maintains spectral purity in RF IF stages, arbitrary waveform generators, and high-fidelity signal sources. |
| Robust Output Stage | 100 mA continuous output current with thermal shutdown protection - drives 75 Ω coaxial lines directly and sustains short-circuit conditions. |
Applications
| Professional Video Distribution | High-Speed Data Acquisition |
|---|---|
|
Use Scenario: Driving RGB or Y/C component video signals over 75 Ω coaxial cable in broadcast switchers and routing matrices. IC Role / Device Role / Timing Role: Final-stage buffer amplifier providing impedance matching, DC restoration, and gain control before transmission. Use Value: Maintains 0.04% differential gain and 0.15° phase accuracy up to 60 MHz, preserving color fidelity and sync timing across long cable runs. |
Use Scenario: Buffering high-resolution DAC outputs in automated test equipment sampling at ≥100 MSPS. IC Role / Device Role / Timing Role: High-fidelity output driver ensuring fast settling (<40 ns) and minimal overshoot on fast-stepping analog waveforms. Use Value: 400 V/µs slew rate and 270 MHz bandwidth prevent amplitude droop and edge rounding in pulsed test stimulus generation. |
| Medical Ultrasound Front-End | RF/IF Signal Conditioning |
|
Use Scenario: Amplifying echo return signals in portable ultrasound beamformers requiring wide dynamic range and low noise. IC Role / Device Role / Timing Role: Low-noise, high-linearity gain stage between receive transducer and ADC, operating from ±5 V supplies. Use Value: 12.5 nV/√Hz input noise and –72 dBc THD at 1 MHz preserve weak echo signal integrity amid high-frequency carrier content. |
Use Scenario: Intermediate frequency amplification in software-defined radio receivers handling 10–100 MHz bandpass signals. IC Role / Device Role / Timing Role: Fixed-gain IF amplifier with precise group delay flatness and minimal phase distortion across channel bandwidth. Use Value: 60 MHz 0.1 dB bandwidth flatness and 85 dB CMRR ensure accurate demodulation of QAM/OFDM symbols without inter-symbol interference. |
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 |
|---|---|---|---|
| THS4031CD | 100 MHz bandwidth, 100 V/µs slew rate, lower 1.6 nV/√Hz noise, but reduced output drive (50 mA). | Better suited for low-noise, medium-bandwidth IF amplification where power efficiency and noise dominate over speed. | Select THS4031CD when 100 MHz bandwidth suffices and ultra-low noise is prioritized over video-grade linearity. |
| THS4061ID | 180 MHz bandwidth, same 400 V/µs slew rate, improved 0.02% differential gain, higher 14.5 nV/√Hz noise. | Optimized for cost-sensitive HD video systems requiring tighter gain flatness but tolerating slightly higher noise. | Choose THS4061ID for HD-SDI distribution where 180 MHz bandwidth meets spec and differential gain <0.02% is mandatory. |
Compared with THS4001ID, THS4031CD trades bandwidth and drive for lower noise and power, while THS4061ID offers better video linearity at reduced bandwidth-neither is pin-compatible, requiring PCB redesign for substitution.
Availability
THS4001ID is available at Aetrix Electronics and suitable for professional video infrastructure, high-speed data acquisition systems, medical ultrasound front-ends, and RF/IF signal conditioning requiring stable component supply across extended temperature ranges.
Supply support for THS4001ID 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 THS4001ID belongs to TI's THS4000 family of voltage-feedback amplifiers engineered for broadcast video, instrumentation, and high-fidelity analog signal paths demanding wide bandwidth, low distortion, and robust output drive.
FAQ
What is the operating temperature range for THS4001ID?
The THS4001ID is specified for operation from –40°C to +85°C, making it suitable for industrial, automotive under-hood, and outdoor broadcast equipment environments where extended thermal stability is required. This rating is confirmed in the "Available Options" table and "Recommended Operating Conditions" section of the SLOS206A datasheet, and applies specifically to the "I" suffix variant.
Does THS4001ID require external compensation for unity-gain stability?
No, THS4001ID is internally compensated and unconditionally stable in both inverting and noninverting unity-gain configurations without external components. The datasheet explicitly states "stable at all gains for both inverting and noninverting configurations," and Figure 21 shows a unity-gain noninverting schematic using only a 200 Ω feedback resistor for optimal settling behavior.
Can THS4001ID drive a 75 Ω coaxial cable directly?
Yes, THS4001ID can drive 75 Ω coaxial cable directly when configured with a 75 Ω series output resistor, as recommended in the "Driving a Capacitive Load" application note (Figure 22). This configuration provides source-end impedance matching, suppresses ringing, and delivers full 100 mA output capability while maintaining video signal integrity.
What is the purpose of Pins 1 and 5 (NULL) on THS4001ID?
Pins 1 and 5 on THS4001ID are dedicated offset null terminals. As shown in Figure 20 of the datasheet, a potentiometer is connected between them with its wiper tied to VCC–, allowing manual adjustment of input offset voltage to ≤2 mV. This feature is especially valuable in DC-coupled video and precision instrumentation applications where residual offset degrades accuracy.
How does THS4001ID compare to THS4001CD in terms of specifications?
THS4001ID and THS4001CD share identical electrical specifications, pinout, and package (SOIC-8), differing only in temperature rating: THS4001ID operates from –40°C to +85°C, while THS4001CD is rated for 0°C to +70°C. Both use the same die and manufacturing process; the "I" suffix denotes the extended industrial temperature grade, validated per TI's qualification standards.
THS4001ID 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:
- 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
THS4001ID FAQ
1.How can I place an order for THS4001ID through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4001ID 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 THS4001ID reliable?
The price and inventory of THS4001ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4001ID is usually 5 days.
3.What payment methods are accepted for THS4001ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4001ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4001ID?
THS4001ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4001ID 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 THS4001ID?
For technical support, including THS4001ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4001ID requirements.
6.How does Aetrix verify that THS4001ID is sourced from the original manufacturer or authorized distributors?
All THS4001ID 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 THS4001ID meets industry standards.
7.What is the process for return or replacement of THS4001ID?
All THS4001ID units undergo pre-shipment inspection (PSI). If there is an issue with THS4001ID, 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 THS4001ID part is unused and in its original packaging.
Return procedure for THS4001ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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