THS4012ID - 290 MHz Dual High-Speed Amplifier | Texas Instruments
MPN: THS4012ID ✓ AktifTHS4012ID Genel Bakış
A voltage-feedback operational amplifier is an amplifier that uses feedback around a high-gain differential input stage to control closed-loop gain and bandwidth. Within the signal-chain hierarchy, the THS4012ID belongs to the operational-amplifier family, which supports analog signal conditioning, current-to-voltage conversion, buffering, gain adjustment, and active filtering. Its high closed-loop bandwidth makes it particularly useful when signals must be amplified or routed without substantial attenuation at high frequencies.
Principal performance features include 290 MHz bandwidth, 310 V/us slew rate, and 37 ns settling to 0.1%. The low-distortion architecture is specified for low total harmonic distortion, while the 7.5 nV/sqrt(Hz) input-voltage-noise figure supports sensitive high-speed signal paths. Each channel can source or sink up to 110 mA, providing useful drive capability for downstream stages, termination networks, and active filter elements.
The THS4012 uses a voltage-feedback topology intended for closed-loop operation with resistive feedback components. Its 290 MHz bandwidth and 310 V/us slew rate support video, communications, test-and-measurement, and instrumentation applications. The dual configuration saves board area when two amplified channels are required, while the 7.8 mA-per-channel supply current keeps power demand manageable compared with many high-speed amplifiers.
Typical uses include high-speed video amplification, analog signal conditioning, active filtering, pulse shaping, communications interfaces, and precision test equipment. The reported 70 MHz video bandwidth makes the device relevant to video-processing chains, while its fast settling behavior is useful when waveforms must stabilize rapidly after a transition.
PCB implementation should minimize feedback-loop length, preserve symmetric routing around the amplifier, and provide local supply bypassing. Short ground returns and careful control of parasitic capacitance are particularly important at 290 MHz. Component tolerances, board leakage, and probe or fixture loading should also be checked against the required closed-loop gain and bandwidth.
This product page combines manufacturer specifications, package details, application guidance, and drop-in replacement analysis with practical PCB and signal-integrity considerations. It is intended to help engineers select the THS4012ID, evaluate equivalent amplifiers, and plan a high-speed amplifier layout without relying on a single raw specification list.
Drop-in alternatifler için THS4012ID — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller THS4012ID (aynı form faktörü ve ayağa oturma) — farklı olan Amplifier Type, Output Current Drive, Package, Slew Rate, Total Harmonic Distortion.
THS4012IDG4
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
THS4012CD
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →THS4012CDG4
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
THS4012ID Maksimum Değerlendirmeler & Elektriksel Özellikler
| Amplifier Type | Voltage-feedback amplifier |
| Number of Channels | 2 channels |
| Gain-Bandwidth Product | 290 MHz |
| Slew Rate | 310 V/us |
| 0.1% Settling Time | 37 ns |
| Output Current Drive | 110 mA |
| Besleme Akımı | 7.8 mA per channel |
| Input Voltage Noise Density | 7.5 nV/sqrt(Hz) |
| Video Bandwidth | 70 MHz |
| Total Harmonic Distortion | -80 dBc at 1 MHz |
| İşletim Sıcaklığı Aralığı | -40 C to +85 C |
| Paket | 8-pin SOIC (D) |
| Montaj Türü | Surface mount |
THS4012ID 8-pin soic (d) Pin Yapısı Kılavuzu
THS4012ID (8-pin soic (d) paket) için pin yapısı. Bu analog bileşen, giriş, çıkış ve güç besleme pinleri içerir. Ofset null, telafi ve etkinleştirme pin yapılandırmaları için üretici veri kitapçığını referans alın. Sinyal işleme ve güç amplifikasyon devreleri için mükemmel bir bileşendir.
Ayrıntılı pin çıkış verisi mevcut değil: THS4012ID.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
THS4012ID için uygundur 6 uygulamas: High-Speed Video Signal Conditioning, Communications Front-End Conditioning, Precision Active Filtering, Pulse Shaping and Data Acquisition, Test and Measurement Instrumentation, Industrial Sensor Signal Amplification.
High-Speed Video Signal Conditioning
The THS4012ID is well suited to video amplification stages requiring fast edge preservation. Its 290 MHz gain-bandwidth product and 310 V/us slew rate provide ample dynamic range for signals within the amplifier's specified operating limits, while the dual configuration can process two related channels in one 8-pin SOIC. The reported 70 MHz video bandwidth directly addresses video-band applications. Designers should still verify output swing, supply range, and channel-to-channel requirements for the specific video standard, and should use short PCB traces to minimize distortion and ringing.
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Communications Front-End Conditioning
The THS4012ID can amplify and condition moderate-bandwidth communications signals when its 290 MHz bandwidth and 310 V/us slew rate meet the channel requirements. Two channels in one package reduce component count in balanced or multi-path receiver circuitry, while 7.5 nV/sqrt(Hz) input-voltage noise supports low-noise amplification. The key trade-off is higher bandwidth than many precision or low-power amplifiers require. Confirm common-mode range, output swing, gain-bandwidth allocation, and termination details before using the device close to a communications front end.
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Precision Active Filtering
The THS4012ID is appropriate for active-filter prototypes and high-speed instrumentation filters whose useful frequency range is compatible with its 290 MHz gain-bandwidth product. Its 37 ns 0.1% settling time allows cascaded stages to respond rapidly, and 110 mA output-drive capability helps support typical passive filter networks. Component tolerances and parasitic loading can limit practical filter accuracy, so simulations should include the real feedback-resistor and capacitor footprints. Keep the loop compact and bypass each supply rail locally to reduce unintended frequency response.
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Pulse Shaping and Data Acquisition
The THS4012ID can serve as a wideband pulse amplifier or data-acquisition input stage when rapid transitions must be retained. Its 310 V/us slew rate limits large-signal rise-time distortion, and the 37 ns 0.1% settling specification supports measurement systems operating at high speed. The dual channel arrangement can amplify two complementary or sequential signals, but channel-to-channel matching and total uncorrelated error may matter in precision acquisition systems. Verify input capacitance, source impedance, settling tolerance, and acquisition timing before selecting the amplifier.
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Test and Measurement Instrumentation
The THS4012ID fits high-speed test-instrument signal paths that require low distortion and rapid settling. The 290 MHz bandwidth supports moderate-frequency measurement channels, while the dual package can reduce board area in instruments with two amplified outputs. Its 110 mA output-drive capability allows it to drive suitable test fixtures and termination networks without an additional buffer. Before loading the output heavily, confirm the operating supply, output swing, capacitive-load stability, and thermal conditions in the manufacturer datasheet.
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Industrial Sensor Signal Amplification
The THS4012ID can amplify outputs from fast industrial sensors when the sensor bandwidth and transient response justify a 290 MHz amplifier. The 7.5 nV/sqrt(Hz) input-noise specification is useful for low-level signals, while the dual package supports two sensor or reference channels in a compact 8-pin SOIC footprint. Industrial systems must still account for supply variation, common-mode range, grounding, and EMI pickup. Place the device near the sensor interface, use a continuous ground reference, and avoid long high-impedance input routes that can increase noise pickup.
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Önerilen Ürünler Özeti
Mühendislik referans verileri: THS4012ID — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | THS4012IDG4 | THS4012CD | THS4012CDG4 |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 8-pin SOIC (D) | 8-pin SOIC (D) | 8-pin SOIC (D) | 8-pin SOIC (D) |
| Amplifier Configuration | Dual voltage-feedback amplifier | Dual voltage-feedback amplifier | Dual voltage-feedback amplifier | Dual voltage-feedback amplifier |
| Gain-Bandwidth Product | 290 MHz | 290 MHz | 290 MHz | 290 MHz |
| Slew Rate | 310 V/us | 310 V/us | 310 V/us | 310 V/us |
| 0.1% Settling Time | 37 ns | 37 ns | 37 ns | 37 ns |
| Output Current Drive | 110 mA | 110 mA | 110 mA | 110 mA |
| Supply Current | 7.8 mA per channel | 7.8 mA per channel | 7.8 mA per channel | 7.8 mA per channel |
Ana Farklılayıcılar
- Combines two high-speed amplifier channels in one 8-pin SOIC (karşılaştırma:THS4011)
- Provides full THS4012 core AC performance across the listed family options (karşılaştırma:THS4012CDG4)
- Matches the standard THS4012ID ordering configuration without a family change (karşılaştırma:THS4012CD)
Tasarım Notları
Place each feedback component close to its associated amplifier input and output pins, and keep the feedback loop physically small. At 290 MHz gain-bandwidth product, even a short return path can add parasitic inductance and capacitance that alter closed-loop gain, reduce stability margin, or increase ringing. Connect the SOIC ground pins directly to a continuous ground plane and avoid routing high-speed outputs beneath unrelated analog or digital traces.
Place the supply bypass capacitors directly beside the corresponding supply and ground pins, using short and wide traces to reduce inductance. Validate stability across input common-mode voltage, output load, and supply combinations because capacitive loading can affect a high-speed voltage-feedback amplifier. Check the output swing and current limits before driving external test equipment, cable capacitance, or termination networks.
Account for probe capacitance, fixture loading, and source impedance when evaluating measured bandwidth or settling time. A conventional oscilloscope probe can materially alter a 290 MHz amplifier response. Use a suitably high-impedance, low-capacitance measurement setup, and compare calculated versus measured results before treating a load-dependent transient as a device defect.
Do not substitute a different THS4012 suffix solely because the package appears identical. Check the manufacturer ordering table for electrical grade, temperature range, qualification, and shipping attributes. In particular, distinguish THS4012ID from its same-package ordering variants and verify that the selected amplifier retains the required supply range, accuracy, and lifecycle commitments.
Uyumluluk Bilgisi
No explicit compliance declarations were present in the accessible product information. The G4 suffix appears in the available cross-reference listing, but its exact environmental and qualification meaning must be confirmed through the Texas Instruments ordering information.
