LT1356CS - Quad 12MHz, 400V/us High-Speed Op Amp | ADI
MPN: LT1356CS ✓ AktifLT1356CS Genel Bakış
A high-speed operational amplifier is a voltage-amplifying active device used to increase signal amplitude, buffer sources, filter waveforms, or drive downstream circuits. The LT1356 belongs to the operational-amplifier hierarchy within analog and mixed-signal semiconductors. Its unity-gain stability and ability to drive all capacitive loads make it suitable for signal-chain blocks in which predictable closed-loop behavior is needed without external compensation.
The LT1356CS provides several performance characteristics suited to demanding analog processing. Its 12 MHz gain-bandwidth product supports accurate gain and phase response at higher signal frequencies than low-speed precision amplifiers. A 400 V/us slew rate provides faster large-signal transitions, while the input-voltage noise density of 10 nV/sqrt(Hz) supports low-noise amplification. Maximum input offset voltage is 800 uV and maximum input bias current is 300 nA.
The LT1355/LT1356 family uses advanced bipolar complementary processing and a voltage-feedback amplifier topology with matched, high-impedance inputs. The topology combines conventional voltage-feedback operation with high slew performance. The LT1356CS is available in a 16-SO surface-mount package, permitting a relatively compact quad-amplifier implementation where board area and channel count are both important.
Typical uses include video and image-signal processing, high-speed instrumentation, active filters, waveform drivers, communications interfaces, and general-purpose low-power signal conditioning. The 12 MHz bandwidth can be especially useful in filters whose useful signal band lies well below the amplifier's unity-gain frequency. The 400 V/us slew rate also helps preserve fidelity when processing square waves, pulse trains, or other signals with fast transitions.
Designers should verify closed-loop stability, output-swing limits, capacitive-load behavior, and power-supply headroom for the selected gain and signal amplitude. The exact pin mapping, full temperature limits, electrical-characteristic curves, and package details should be confirmed in the manufacturer datasheet before layout or production release. Distributor pricing and stock status were not numerically available in the verified data as of 2026-10-29.
Drop-in alternatifler için LT1356CS — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
LT1356IS#PBF
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
LT1356CS#PBF
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
LT1356CS#TRPBF
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
LT1356CS Maksimum Değerlendirmeler & Elektriksel Özellikler
| Amplifier Type | Voltage-feedback operational amplifier |
| Number of Channels | 4 channels |
| Gain-Bandwidth Product | 12 MHz |
| Slew Rate | 400 V/us |
| Maximum Supply Current | 1.25 mA per amplifier |
| Input Voltage Noise Density | 10 nV/sqrt(Hz) |
| Maximum Input Offset Voltage | 800 uV |
| Maximum Input Bias Current | 300 nA |
| Besleme Gerilimi | +/-18 V |
| Unity-Gain Stability | Yes |
| Capacitive-Load Drive | Drives all capacitive loads |
| Input Impedance | High impedance |
| Process Technology | Advanced bipolar complementary processing |
| Paket | 16-SO |
| Montaj Türü | Surface mount |
LT1356CS 16-so Pin Yapısı Kılavuzu
LT1356CS (16-so 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: LT1356CS.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
LT1356CS için uygundur 6 uygulamas: Active Video Signal Filtering, High-Speed Instrumentation Signal Conditioning, Communications Interface Buffering, Precision Waveform and Pulse Drivers, Industrial Sensor Signal Amplification, Audio and Low-Noise Signal Paths.
Active Video Signal Filtering
The LT1356CS is appropriate for active filtering in video and image-signal-processing chains where a conventional precision amplifier may not provide enough bandwidth. Its 12 MHz gain-bandwidth product provides signal-path margin above common video frequencies, while the 400 V/us slew rate improves reproduction of fast transitions and burst edges. Four amplifiers in one 16-SO package allow compact implementation of cascaded low-pass, high-pass, differential, or reconstruction stages. The unity-gain-stable topology simplifies direct feedback designs. Designers should still evaluate output swing, channel-to-channel behavior, and the gain-versus-phase response of the selected filter at the actual video bandwidth.
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High-Speed Instrumentation Signal Conditioning
The LT1356CS can condition sensor and test signals whose frequency content is too high for slow precision amplifiers. Its 12 MHz gain-bandwidth product supports gain stages operating at a useful fraction of that bandwidth, and its 400 V/us slew rate reduces distortion when amplifying square waves or fast-edged pulses. The four-channel 16-SO arrangement helps parallelize probe, sensor, and reference channels without requiring four separate packages. Maximum input offset voltage of 800 uV and input bias current of 300 nA must be weighed against the source impedance and required accuracy. Thermal behavior and resistor-generated noise can dominate at the lowest signal levels, so practical instrumentation designs should balance speed against low-level precision.
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Communications Interface Buffering
The LT1356CS is useful as a high-speed buffer or line-conditioning amplifier in communications equipment where higher-bandwidth op amps are commonly used. The 12 MHz gain-bandwidth product and 400 V/us slew rate preserve fast edge information, while unity-gain stability permits straightforward buffer configurations. The verified data also identifies the device as capable of driving all capacitive loads, which is relevant to short cable or connector inputs, although output-current and stability limits still apply. Low power is another useful attribute because maximum supply current is 1.25 mA per amplifier. Interface engineers should verify logic-level thresholds, common-mode range, output swing, and the cable's effective capacitance before deployment in a new communications board.
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Precision Waveform and Pulse Drivers
The LT1356CS can generate or amplify square-wave, pulse, and ramp signals where transition fidelity is more important than nanovolt-level DC precision. Its 400 V/us slew rate allows output transitions to follow demanding input waveforms, and the 12 MHz gain-bandwidth product provides useful closed-loop bandwidth for moderate-gain pulse conditioning. Because it is unity-gain stable and advertised as a C-Load amplifier, it can also serve as an output driver with the appropriate load and routing. Designers should calculate the required output current from load capacitance, frequency, and voltage swing, then confirm that operating point against the datasheet limits. A small output isolation resistor may help control capacitive-load overshoot when board or cable capacitance is uncertain.
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Industrial Sensor Signal Amplification
The LT1356CS can amplify sensor signals in industrial systems where the sensor bandwidth extends beyond ordinary low-speed op-amp solutions. Its 12 MHz gain-bandwidth product supports wider-band pressure, position, or vibration channels, while the 400 V/us slew rate helps retain large-signal dynamics. Four channels in the 16-SO package allow synchronized acquisition or multiple sensor channels to share one IC. The device's maximum input bias current of 300 nA is acceptable for many medium- to high-impedance sources but must be checked against sensor impedance and temperature. Maximum offset voltage of 800 uV also determines the practical precision at low gain. Industrial selection should additionally confirm the exact temperature grade, supply range, isolation requirements, and noise behavior.
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Audio and Low-Noise Signal Paths
The LT1356CS can serve selected audio or low-noise signal-path stages where wider bandwidth and faster slew performance are more valuable than conventional precision-amplifier economics. Its input-voltage noise density of 10 nV/sqrt(Hz) provides a useful noise figure for high-speed amplification, while the 400 V/us slew rate reduces distortion on fast musical transients. The four-channel package can implement balanced buffer, gain, and filtering functions in one footprint. This is not a substitute for evaluating output-current drive into loudspeakers or low-noise headphone loads, because the supplied data does not establish those operating points. Audio engineers should compare the LT1356CS with dedicated low-noise amplifiers when the input bandwidth is modest, using the full LT1355/LT1356 datasheet to confirm distortion and output-drive curves.
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Önerilen Ürünler Özeti
Mühendislik referans verileri: LT1356CS — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | LT1356IS#PBF | LT1356CS#PBF | LT1356CS#TRPBF |
|---|---|---|---|---|
| Package | 16-SO | 16-SO | 16-SO | 16-SO |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Amplifier Configuration | Quad voltage-feedback operational amplifier | Quad LT1356-family operational amplifier | Quad LT1356-family operational amplifier | Quad LT1356-family operational amplifier |
| Gain-Bandwidth Product | 12 MHz | 12 MHz | 12 MHz | 12 MHz |
| Slew Rate | 400 V/us | 400 V/us | 400 V/us | 400 V/us |
| Maximum Supply Current | 1.25 mA per amplifier | 1.25 mA per amplifier | 1.25 mA per amplifier | 1.25 mA per amplifier |
| Input Voltage Noise Density | 10 nV/sqrt(Hz) | 10 nV/sqrt(Hz) | 10 nV/sqrt(Hz) | 10 nV/sqrt(Hz) |
| Maximum Input Offset Voltage | 800 uV | 800 uV | 800 uV | 800 uV |
| Supply Voltage | +/-18 V | +/-18 V | +/-18 V | +/-18 V |
| Unity-Gain Stable | Yes | Yes | Yes | Yes |
Ana Farklılayıcılar
- Combines substantial bandwidth with low per-amplifier supply current (karşılaştırma:LT1356CS#PBF)
- Unity-gain-stable C-Load capability reduces compensation complexity (karşılaştırma:LT1356IS#PBF)
- Quad-channel integration reduces package count in multichannel analog paths (karşılaştırma:LT1356CS#TRPBF)
Tasarım Notları
Treat the LT1356CS as a high-speed analog device even though its maximum supply current is only 1.25 mA per amplifier. Keep input and feedback traces short, place feedback components close to the relevant channel, and maintain a continuous ground reference beneath the package. The 12 MHz gain-bandwidth product and 400 V/us slew rate can amplify small parasitic delays or ringing into functional errors when long traces, socketed connections, or abrupt capacitive loads are introduced.
Decouple each supply rail near the LT1356CS with short, low-inductance connections and the capacitance required by the manufacturer datasheet. Because the verified excerpt does not provide the recommended capacitor values or ESR restrictions, those values must be taken directly from the LT1355/LT1356 datasheet rather than inferred. Also verify the actual input-current profile at the chosen supply voltage and output load; the 1.25 mA-per-amplifier figure is a maximum specification and not a complete power-budget calculation.
Do not assume that unity-gain stability guarantees unrestricted operation with every load. The family is advertised as a C-Load amplifier capable of driving all capacitive loads, but cable capacitance, probe capacitance, and inrush behavior can still create overshoot or instability. Confirm the usable load-capacitance range, output-current limit, and recommended isolation resistance from the manufacturer datasheet before connecting long cables or driving large capacitive loads.
Route the four amplifier channels to avoid coupling between high-level outputs and sensitive inputs. Separate input, feedback, and ground-return paths where practical, and use a quiet ground strategy to prevent output-current returns from modulating input-reference voltage. Although the LT1356CS is a low-power device, four simultaneously slewing amplifiers can generate fast transient currents; grounding and decoupling should be evaluated under that condition rather than at static quiescent current alone.
Uyumluluk Bilgisi
The supplied excerpts identify lead-free PBF ordering variants but do not explicitly state RoHS, REACH, halogen-free, or conflict-minerals compliance for LT1356CS. AEC-Q100 status is not applicable because this is an operational amplifier rather than an automotive-qualified device designation.
