THS4041CD - 165MHz High-Speed Amplifier | Texas Instruments
N.º da peça: THS4041CD ✓ AtivoTHS4041CD Visão geral
A high-speed operational amplifier is a voltage-feedback amplifier optimized for wide bandwidth, rapid output transitions, and low distortion. Its hierarchy is operational amplifier, voltage-feedback amplifier, analog signal-conditioning IC, and semiconductor. The THS4041 occupies the high-speed end of that hierarchy, making it appropriate for video-line drivers, ADC input buffering, active filtering, and other circuits that require accurate signals across a broad frequency range.
The THS4041CD provides a -3 dB bandwidth of 165 MHz and a slew rate of 400 V/µs. Because it is stable at all gains in both inverting and noninverting configurations, feedback design does not need to be restricted to unity gain. Its C-stable architecture allows it to drive capacitive loads, while typical output drive capability of 100 mA supports practical buffer and line-driver configurations.
The device uses a conventional voltage-feedback signal path for high-speed amplification and filtering. Its combination of bandwidth, slew rate, unity-gain stability, and capacitive-load drive addresses common limitations of general-purpose operational amplifiers. The listed distortion figure of -75 dBc at 1 MHz shows that the amplifier can preserve signal fidelity in demanding high-frequency circuits without relying on a highly specialized output architecture.
Typical uses include video-line driving, ADC input buffering, high-speed active filtering, signal conditioning, and communications or instrumentation signal paths. The same 8-pin SOIC footprint simplifies evaluation across the THS4041 family, while the 165 MHz bandwidth provides ample margin for signal-chain blocks that operate below the amplifier's small-signal limit.
Circuit design should account for the amplifier's high slew rate and bandwidth because excessive capacitive loading, poorly placed compensation or feedback components, and long high-speed traces can create ringing or instability. Use the manufacturer's pin description and typical application circuits when assigning inputs, power, feedback, and decoupling connections, and verify the completed layout with appropriate test equipment.
This page organizes the THS4041CD specifications, packaging information, commercially relevant purchasing details, same-package alternatives, and practical circuit guidance. It is intended to help engineers identify whether the amplifier's speed, stability, supply range, and SOIC footprint fit a specific design before committing to a component.
Alternativas drop-in para THS4041CD — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com THS4041CD (mesmo formato e footprint) — diferindo em Amplifier Type, Number of Channels, Package, Slew Rate, Supply Voltage Range.
THS4031CD
✅ Drop-In ⚠️ Especificações não verificadasConsulte o preço
Ver ficha técnica →THS4041IDR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
THS4041CDR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
THS4041CD Classificações máximas e características elétricas
| Amplifier Type | Single voltage-feedback operational amplifier |
| Number of Channels | 1 channel |
| Gain-Bandwidth Product | 165 MHz |
| Small-Signal Bandwidth | 165 MHz at -3 dB |
| Slew Rate | 400 V/µs |
| Gain Stability | Unity-gain stable |
| Supply Voltage Range | ±5 V to ±16 V |
| Maximum Total Supply Voltage | 32 V |
| Minimum Total Supply Voltage | 10 V |
| Output Drive Current | 100 mA typical |
| Total Harmonic Distortion | -75 dBc at 1 MHz |
| Capacitive-Load Capability | Designed to drive any capacitive load |
| Feedback Configuration | Stable in inverting and noninverting configurations |
| Encapsulamento | 8-pin SOIC |
| Tipo de montagem | Surface mount |
| Shipping Package | Tube |
Guia de Configuração de Pinos do THS4041CD tube
Configuração de pinos para THS4041CD (pacote tube). Este componente analógico possui pinos de entrada, saída e alimentação. Consulte o datasheet do fabricante para configurações de offset null, compensação e pino de enable. Ideal para circuitos de condicionamento de sinal e amplificadores.
Nenhum dado detalhado de pinagem disponível para THS4041CD.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
THS4041CD é adequado para 6 aplicaçãos: Video-Line Driving, High-Speed ADC Input Buffer, High-Speed Active Filtering, Communications Signal Conditioning, Precision Waveform Shaping, Test and Measurement Front Ends.
Video-Line Driving
The THS4041CD fits high-speed video-line drive circuits because it combines 165 MHz bandwidth with 400 V/µs slew rate and documented capacitive-load drive capability. It can operate from ±5 V to ±16 V, giving designers a useful supply range for bipolar video stages. Use it as a voltage-feedback buffer or line driver, and keep the output trace short with a controlled return path. Because high-speed current can increase power dissipation and create edge-related EMI, evaluate output amplitude, load capacitance, trace length, and termination on the assembled board.
Recomendado
High-Speed ADC Input Buffer
The THS4041CD is suited to buffering high-speed analog converter inputs when signal fidelity and transient response are important. Its 165 MHz bandwidth, 400 V/µs slew rate, and -75 dBc distortion at 1 MHz allow it to preserve fast edges better than a general-purpose amplifier. Place the device close to the ADC, use short traces, and evaluate settling behavior with the converter's sampling network. The unity-gain stability simplifies a direct buffer configuration, but kickback, capacitive loading, and converter-specific settling requirements must still be checked together.
Recomendado
High-Speed Active Filtering
The THS4041CD can implement active filters that require wide closed-loop bandwidth and rapid slew response. Its unity-gain stability and operation in both inverting and noninverting configurations support conventional filter topologies, while the 165 MHz bandwidth provides substantial frequency-range headroom. Select passive components according to the target impedance and frequency, then minimize feedback-loop area to reduce parasitic feedback and ringing. Measure gain, phase, peaking, and output settling because the amplifier's finite bandwidth and slew rate shape the usable filter response.
Recomendado
Communications Signal Conditioning
The THS4041CD supports communications and instrumentation signal-conditioning stages that must process fast transitions with low distortion. Its 400 V/µs slew rate, 165 MHz bandwidth, and typical 100 mA output drive provide useful performance for waveform shaping and impedance buffering. The device is stable in both inverting and noninverting topologies, allowing the feedback network to be selected around gain and bandwidth requirements. Keep routing compact, provide local supply decoupling, and verify output compliance and channel isolation when the signal source or load presents significant capacitance.
Recomendado
Precision Waveform Shaping
The THS4041CD is appropriate for waveform-shaping circuits in which pulse edges must retain controlled amplitude and low distortion. Its 165 MHz bandwidth and 400 V/µs slew rate allow it to reproduce fast transitions without the slew-rate limitations of many lower-bandwidth amplifiers. In gain and filtering stages, check the output swing against the required signal range and inspect ringing around abrupt load transitions. A physically short layout, solid ground reference, and controlled source and load impedances are essential for predictable high-speed behavior.
Recomendado
Test and Measurement Front Ends
The THS4041CD can serve as a high-speed front-end amplifier in oscilloscope buffers, instrumentation signal paths, and measurement systems requiring low distortion. Its unity-gain stability supports direct buffering, while its inverting capability supports active gain and filter stages. The 8-pin SOIC format simplifies prototype construction, but high-frequency layout discipline is more important than package convenience: minimize feedback traces, decouple supplies locally, and avoid long routes between the source, amplifier, and measurement load.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para THS4041CD — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | THS4031CD | THS4041IDR | THS4041CDR |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC |
| Bandwidth | 165 MHz at -3 dB | 165 MHz at -3 dB | 165 MHz at -3 dB | 165 MHz at -3 dB |
| Slew Rate | 400 V/µs | Lower than 400 V/µs | 400 V/µs | 400 V/µs |
| Output Drive Current | 100 mA typical | Lower output-drive capability | 100 mA typical | 100 mA typical |
| Shipping Format | Tube | Tube | Tape and reel | Tape and reel |
Principais diferenciais
- Higher slew rate within the same-family comparison (vs THS4031CD)
- Documented capacitive-load drive capability (vs THS4031CD)
- Exact electrical order-code option with assembly flexibility (vs THS4041IDR)
Notas de projeto
Keep the amplifier, feedback components, and output load physically compact. Route the output directly to the intended load and provide a short, continuous ground return to minimize parasitic inductance. At high slew rates, even a short trace can create ringing or EMI, so compare the assembled waveform with the simulation and use the manufacturer's layout guidance when reproducing the device in a new board.
Place supply-decoupling capacitors close to the amplifier's power pins and follow the manufacturer recommendations for capacitance type, voltage rating, and placement. Because the THS4041CD supports a total supply range of 10 V to 32 V, verify that every rail remains within its operating limits during startup and shutdown. Decoupling current transients should be evaluated together with the power source's impedance rather than by component placement alone.
Include source and load impedances, component tolerances, probe capacitance, and output loading when evaluating bandwidth and settling. The 165 MHz bandwidth and 400 V/µs slew rate can expose ringing that is hidden at lower frequencies. A time-domain step response, gain-phase plot, and output-spectrum measurement are useful checks for filter and video-line circuits operating near the amplifier's upper frequency range.
Do not treat C-stable operation as permission to omit stability analysis for an arbitrary load. Confirm that the output network, probe, cable, and connected device do not introduce capacitance or inductance that changes the response. Also avoid assuming that the tube-packaged THS4041CD and tape-and-reel THS4041CDR are identical procurement options; their electrical behavior is the same, but their assembly handling differs.
Informações de conformidade
The available manufacturer and distributor information does not state the requested compliance statuses. AEC-Q100 is not applicable because the THS4041CD is a general-purpose analog amplifier rather than an automotive-qualified device.