THS4211D - 1 GHz High-Speed Operational Amplifier | TI
MPN: THS4211D ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.4237 | $7.42 |
| 10 | $7.4237 | $74.24 |
| 100 | $7.4237 | $742.37 |
| 500 | $7.4237 | $3,711.85 |
| 1,000 | $7.4237 | $7,423.70 |
THS4211D Overview
An operational amplifier is an analog signal-conditioning semiconductor that amplifies the voltage difference between its two inputs while providing high open-loop gain and stable operation over the intended signal range. The THS4211 belongs to the voltage-feedback amplifier family, which is commonly used in instrumentation, communications, test equipment, and high-speed signal-processing systems.
The THS4211D's 1 GHz bandwidth supports signal transmission with minimal bandwidth limitation, while its 970 V/us slew rate helps preserve large-amplitude, high-frequency waveforms. Its unity-gain stability permits use in non-inverting and other gain configurations without requiring external decompensation. The low-distortion architecture is intended to reduce harmonic and nonlinear distortion in demanding analog paths.
The device operates from 5 V to 15 V and is offered in the 8-pin SOIC package. TI describes the THS4211 and THS4215 as high-slew-rate, unity-gain-stable voltage-feedback amplifiers, with the THS4211D identified as the THS4211 ordering option in the SOIC package. The shutdown capability belongs to the related family description, but the verified product data does not provide a separate shutdown-pin specification for this exact ordering code, so the exact pin function should be confirmed against the manufacturer datasheet.
Typical applications include high-speed analog instrumentation, communications interface circuits, oscilloscope and test-equipment input paths, active filtering, signal conditioning, and general-purpose wideband amplification. Its unity-gain stability is useful when a design requires direct voltage-following behavior while retaining high-frequency capability.
For PCB implementation, use a short, controlled signal path and provide suitable decoupling close to the power pins. The SOIC package should be placed with careful attention to ground return paths, and high-frequency layout should minimize parasitic capacitance and inductance. Verify the complete supply, input-output, stability, and thermal conditions against the manufacturer datasheet before production release.
Drop-in alternatives for THS4211D — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with THS4211D (same form factor and footprint) — differing in Package, Slew Rate.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
THS4211DGN
✅ Drop-In📋 Reference alternative (not in catalog)
THS4211DGK
✅ Drop-In📋 Reference alternative (not in catalog)
THS4215D
✅ Drop-In📋 Reference alternative (not in catalog)
AD8065ARZ
✅ Drop-In📋 Reference alternative (not in catalog)
AD8055ARZ
✅ Drop-In📋 Reference alternative (not in catalog)
THS4211D Maximum Ratings & Electrical Characteristics
| Product Type | High-speed voltage-feedback operational amplifier |
| Channel Count | 1 circuit |
| Bandwidth | 1 GHz |
| Slew Rate | 970 V/us |
| Supply Voltage Range | 5 V to 15 V |
| Gain Stability | Unity-gain stable |
| Distortion | Low distortion |
| Package | 8-SOIC |
| Package Dimensions | 0.154 inch, 3.90 mm width |
| Operating Temperature Range | -40 C to 85 C |
| Mounting Type | Surface mount |
| Input Type | Voltage feedback |
THS4211D Pin Configuration
| Pin 1 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 2 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 3 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 4 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 5 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 6 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 7 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
| Pin 8 | [DATA_NEEDED: pin name] — The verified product data confirms an 8-SOIC package but does not provide the complete pin names and functions. |
Typical Applications
THS4211D is suitable for 6 applications: High-Speed Instrumentation, Communications Signal Conditioning, Test and Measurement Input Paths, Active Filtering, Oscilloscope and Waveform Buffering, Analog Signal Conditioning.
High-Speed Instrumentation
The THS4211D fits instrumentation front ends that must preserve wideband signals because it provides 1 GHz bandwidth, 970 V/us slew rate, and unity-gain stability. Use it as a voltage follower or low-gain signal-conditioning stage when low distortion and predictable stability are important. The 8-SOIC package supports conventional surface-mount assembly, while the 5 V to 15 V supply range allows integration with high-speed analog systems. Confirm input common-mode limits, output swing, load capacitance, and thermal conditions against the manufacturer datasheet before finalizing the front end.
Recommended
Communications Signal Conditioning
THS4211D is suitable for communications signal-conditioning paths requiring wide bandwidth and rapid slew response. Its 1 GHz bandwidth supports high-frequency signal handling, while the 970 V/us slew rate helps reduce large-signal slew limiting. Unity-gain stability allows the device to operate as a buffer or low-gain stage when the surrounding network requires direct waveform reproduction. The 8-SOIC footprint and 5 V to 15 V supply operation are useful for compact analog interface boards, subject to exact pinout and common-mode verification.
Recommended
Test and Measurement Input Paths
The THS4211D can serve in oscilloscope, analyzer, and general test-equipment input paths where wide bandwidth and low distortion are useful. A 1 GHz bandwidth amplifier can preserve a broad range of transient and sinusoidal signals, while unity-gain stability simplifies direct buffering. Designers should pay attention to input attenuation, source impedance, probe capacitance, and output loading because these external factors can change apparent bandwidth and stability. The verified 8-SOIC package is straightforward to route on a high-speed mixed-signal board.
Recommended
Active Filtering
THS4211D is applicable to active-filter designs requiring an amplifier with wide bandwidth and unity-gain stability. The 1 GHz bandwidth provides headroom for filter stages operating well above lower audio or control frequencies, while the 970 V/us slew rate helps preserve dynamic range. Component tolerances, op-amp noise, stability margins, and the intended closed-loop gain must be checked together because bandwidth alone does not guarantee filter accuracy. The 5 V to 15 V operating range also requires the filter topology and signal levels to remain within the device’s limits.
Recommended
Oscilloscope and Waveform Buffering
The THS4211D can buffer waveform signals where direct high-speed amplification and voltage following are required. Its 1 GHz bandwidth and unity-gain stability make it a logical candidate for a high-impedance input stage followed by a measurement chain, while its 970 V/us slew rate helps handle fast edges. In practice, the probe capacitance, source impedance, input protection network, and termination must be designed carefully to prevent unintended loading or oscillation. The 8-SOIC package provides a conventional surface-mount assembly option.
Recommended
Analog Signal Conditioning
THS4211D is useful in general analog signal-conditioning systems where wideband amplification, low distortion, and stable unity-gain operation are desired. It can buffer sensors, converters, or other analog blocks whose output bandwidth exceeds the bandwidth of a conventional general-purpose amplifier. The device’s 1 GHz bandwidth and 970 V/us slew rate provide useful margin for high-speed signals, while the 8-SOIC package minimizes mechanical complexity. Verify supply sequencing, common-mode range, output loading, and stability at the actual gain before deployment.
Recommended
Recommended Products Summary
Engineering reference data for THS4211D — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | THS4211DGN | THS4211DGK | THS4215D | AD8065ARZ | AD8055ARZ |
|---|---|---|---|---|---|---|
| Product Type | High-speed voltage-feedback operational amplifier | High-speed voltage-feedback operational amplifier family member | High-speed voltage-feedback operational amplifier family member | High-speed voltage-feedback operational amplifier with power-down capability | High-speed amplifier candidate | High-speed amplifier candidate |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices | Analog Devices |
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
Key Differentiators
- Wideband high-speed performance (vs AD8065ARZ)
- Unity-gain stability (vs THS4215D)
- Single verified device identity and package specification (vs AD8055ARZ)
Design Notes
Keep the high-speed signal path short and use a controlled ground reference beneath or immediately around the amplifier. The 1 GHz bandwidth means that trace inductance, probe capacitance, pad capacitance, and supply-return impedance can materially affect observed performance. Place input and output connections away from noisy switching nodes and compare measured bandwidth and ringing against the datasheet test conditions.
Provide local supply bypassing at the THS4211D power pins and route supply current through a low-impedance path. The verified family supply range is 5 V to 15 V, but the exact quiescent current, output-current capability, and allowable supply noise are not included in the supplied data. Confirm those values in the manufacturer datasheet before sizing the regulator, trace width, and decoupling network.
Do not assume that every high-speed amplifier in an 8-SOIC package is pin-compatible with THS4211D. Unity-gain stability is confirmed for the target, while the provided cross-reference data does not fully verify pin names, shutdown behavior, common-mode limits, or electrical characteristics for every listed candidate. Compare the manufacturer pinout and recommended application circuit before approving a substitution.
For high-frequency operation, use a compact layout with short feedback connections and minimize loop area around the amplifier. Avoid long unterminated traces, excessive capacitive loading, and abrupt impedance changes. If the output drives a cable, probe, ADC, or downstream amplifier, terminate or isolate the load according to the applicable system requirement and verify ringing with an oscilloscope.
The verified data confirms the 8-SOIC package and operating-temperature range of -40 C to 85 C, but it does not provide junction thermal resistance or power dissipation for this exact ordering code. Estimate dissipation from the actual supply voltage, output current, quiescent current, and ambient temperature once those verified values are available, then check the manufacturer’s maximum operating conditions.
Compliance Information
The supplied verified data does not include RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current manufacturer product documentation or supplier declarations.
