LT1214CS - 28MHz 12V/us Quad Precision Op Amp | Analog Devices
MPN: LT1214CS ✓ فعالLT1214CS نمای کلی
An operational amplifier is an analog integrated circuit that uses high open-loop gain to amplify the difference between two input voltages. The operational-amplifier category belongs to the broader analog-amplifier hierarchy and supports DC-precision signal conditioning, instrumentation, buffering, active filtering, and closed-loop control. In a feedback network, the LT1214CS can set closed-loop gain and signal polarity while using its 28 MHz bandwidth and 12 V/us slew rate to reproduce changing waveforms with relatively low delay.
The verified data identifies a typical 28 MHz gain-bandwidth product and 12 V/us slew rate. It also lists fast settling to 200 uV within 500 ns after a 2 V step and to 1 mV within 1.1 us after a 10 V step. These figures make the four internal amplifiers useful when multiple channels must process comparable signals, particularly in active filters, sensor interfaces, audio paths, and control systems. The DC-precision positioning also helps reduce external trim requirements in systems where offset and drift must be controlled.
Architecturally, the LT1214CS places four amplifiers in one 16-lead SOIC rather than requiring four separate packages. A typical application uses each amplifier for a distinct function, such as instrumentation amplification, active filtering, output buffering, or error amplification. The package consolidates routing over one PCB footprint while still providing independent amplifier channels. Because the verified snippets do not provide the complete electrical tables, exact input-offset voltage, input-bias current, noise density, supply-current, and common-mode-range values should be confirmed in the manufacturer datasheet before final design release.
Typical uses include multichannel sensor conditioning, precision active filters, audio signal paths, instrumentation front ends, and general-purpose control loops. The quad organization is especially useful when several signals must be amplified consistently within one instrument, converter, or monitoring system. The 16-SO package allows a conventional surface-mount layout, although careful grounding and decoupling remain necessary for stable high-gain operation.
The principal design consideration is to verify rail-to-rail behavior, common-mode limits, output swing, and stability requirements for the specific operating conditions. Input and output capacitors should be placed close to their associated pins, sensitive analog traces should avoid switching-current paths, and unused amplifier channels should be configured according to the manufacturer recommendations rather than left floating.
This page combines verified manufacturer and distributor information with a parameter-focused application guide, sourcing guidance, and explicit data gaps. It also distinguishes the lead-free LT1214CS#PBF ordering designation from the base LT1214CS MPN instead of treating a packaging-ordering variant as a separate drop-in alternative.
جایگزین‌های drop-in برای LT1214CS — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
هیچ جایگزین مستقیمی برای این محصول موجود نیست.
درخواست جایگزینLT1214CS حداکثر مقادیر مجاز و مشخصات الکتریکی
| Amplifier Type | Quad precision operational amplifier |
| Number of Amplifiers | 4 circuits |
| Gain-Bandwidth Product | 28 MHz typical |
| Slew Rate | 12 V/us typical |
| Supply Configuration | Single-supply capable |
| بسته‌بندی | 16-lead SOIC |
| Smallest Settling Example | 200 uV in 500 ns typical after a 2 V step |
| Larger-Signal Settling Example | 1 mV in 1.1 us typical after a 10 V step |
| Settling Error Example | 0.01% after a 2 V step |
| نوع نصب | Surface mount |
| Application Class | Standard general-purpose precision amplifier |
| وضعیت RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
راهنمای پیکربندی پین LT1214CS 16-lead soic
پیکربندی پین برای LT1214CS (پکیج 16-lead soic). این قطعه آنالوگ دارای پین‌های ورودی، خروجی و تغذیه است. برای پیکربندی‌های پین offset null، جبران‌سازی و فعال‌سازی به دیتاشیت سازنده مراجعه کنید. ایده‌آل برای مدارهای شرطی‌سازی سیگنال و تقویت‌کننده.
داده پین‌آوت تفصیلی موجود نیست برای LT1214CS.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
LT1214CS مناسب است برای 6 کاربردs: Multichannel Sensor Signal Conditioning, Precision Active Filtering, Audio Preamplifier and Signal Routing, Instrumentation and Measurement Front Ends, Industrial Control and Error Amplification, Data Converter Signal Conditioning.
Multichannel Sensor Signal Conditioning
The LT1214CS is suitable for systems that must condition several sensor outputs with matched general-purpose amplifier characteristics. Its four channels in one 16-lead SOIC can reduce package count while providing a 28 MHz typical gain-bandwidth product and 12 V/us typical slew rate for moderate-bandwidth sensor signals. Each stage can implement gain, inversion, level shifting, or filtering around a common feedback network. The verified settling data includes 200 uV in 500 ns after a 2 V step, which helps when fast acquisition events must settle before conversion. However, the exact offset, input-bias, noise, common-mode, and supply limits must be checked in the manufacturer datasheet before using the device with high-impedance sensors or slow, high-gain stages.
پیشنهادی
Precision Active Filtering
The LT1214CS can implement multistage active filters because it combines four precision amplifiers with a 28 MHz typical gain-bandwidth product and 12 V/us typical slew rate. Multiple filter sections may be assigned to separate amplifiers, reducing the number of IC packages required in a signal-conditioning instrument. Its verified 1 mV settling in 1.1 us after a 10 V step indicates fast large-signal recovery, while the smaller-step result of 200 uV in 500 ns characterizes fine settling. Component tolerances and the amplifier's actual gain-bandwidth and phase behavior will determine filter accuracy. The complete datasheet should be used to calculate noise gain, closed-loop stability, output swing, and power-supply rejection before production implementation.
پیشنهادی
Audio Preamplifier and Signal Routing
The LT1214CS is applicable to audio preamplifier, mixer, and routing circuits where four amplifier channels can provide gain or buffering without using four separate packages. The 12 V/us typical slew rate supports moderate-frequency, higher-amplitude signals, while the 28 MHz typical gain-bandwidth product offers bandwidth above most baseband audio requirements. Individual channels can be assigned to input amplification, active equalization, summing, or output drive. Actual audio performance depends on the unverified noise, distortion, output-drive, input-common-mode, and supply-range parameters, so those specifications must be obtained from the full datasheet. Decoupling and grounding should be designed for low-noise behavior even though the device is not marketed as a dedicated audio amplifier.
پیشنهادی
Instrumentation and Measurement Front Ends
The LT1214CS can support instrumentation front ends that require several buffered channels around a sensor or converter. Its four precision amplifiers may provide input buffers, gain stages, differential signal conditioning, or an output driver within one 16-lead SOIC. The verified 28 MHz gain-bandwidth product and 12 V/us slew rate are suitable for many moderate-speed measurement paths, and the quad configuration simplifies routing when channels must operate with consistent bandwidth. For high-impedance sources, input-bias-current error must be evaluated; for low-noise measurements, input-noise density must be checked. Because those values and the common-mode range are not present in the supplied excerpts, engineers should treat the final selection as conditional on review of the complete manufacturer datasheet.
پیشنهادی
Industrial Control and Error Amplification
The LT1214CS is usable in industrial control loops where multiple error amplifiers, comparators with hysteresis, current-feedback paths, or actuator drivers share a board. Four channels reduce component count in a 16-lead SOIC, while the 28 MHz typical gain-bandwidth product and 12 V/us typical slew rate provide response bandwidth for many non-timing-critical loops. Each channel still requires stable feedback-network design and adequate output-current and voltage-range verification. The verified data does not establish input common-mode limits, output swing, supply range, or continuous output-current capability, so these constraints must be checked before the part is approved for an industrial control design.
پیشنهادی
Data Converter Signal Conditioning
The LT1214CS can condition inputs and outputs around high-speed or delta-sigma data converters when the required signal bandwidth is compatible with its 28 MHz typical gain-bandwidth product. Four channels may handle differential input amplification, offset correction, reference buffering, or output filtering. The verified settling figures of 200 uV in 500 ns after a 2 V step and 1 mV in 1.1 us after a 10 V step provide useful timing context during acquisition sequences. Converter compatibility must still be proven through full-scale settling, noise, output-impedance, and stability analysis. The missing input-offset, bias-current, common-mode, and noise specifications prevent a definitive converter-interface recommendation from the supplied excerpts alone.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای LT1214CS — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول |
|---|---|
| Brand | Analog Devices |
| Package | 16-lead SOIC |
| Amplifier Count | 4 circuits |
| Product Class | Standard general-purpose precision amplifier |
| Gain-Bandwidth Product | 28 MHz typical |
| Slew Rate | 12 V/us typical |
| Supply Configuration | Single-supply capable |
| 2 V Step Settling | 200 uV in 500 ns typical; 0.01% settling error |
| 10 V Step Settling | 1 mV in 1.1 us typical |
| Lead-Free Ordering Designation | LT1214CS#PBF listed separately by DigiKey |
تفاوت‌های کلیدی
- Four precision amplifier channels in one package (در مقابلLT1214CS#PBF)
- Verified high gain-bandwidth product (در مقابلLT1214CS#PBF)
- Verified high slew rate for general-purpose precision amplification (در مقابلLT1214CS#PBF)
یادداشت‌های طراحی
Place input, output, and bypass components close to their associated LT1214CS pins, and route each amplifier channel to minimize loop area. Keep sensitive input traces away from switching nodes and high-current return paths. Because the verified excerpt does not provide the exact pin map, use the manufacturer package drawing for each channel's inputs and outputs rather than inferring locations from the quad arrangement.
Use local high-frequency decoupling and adequate bulk capacitance at the LT1214CS supply pins, following the manufacturer guidance once the complete pinout and application circuit are available. Verify the actual supply range, supply current, common-mode range, and output swing before selecting operating voltages. The zero prices shown here indicate unavailable quotation data and do not affect the electrical requirement for a clean, stable supply.
Do not treat LT1214CS#PBF as a separate amplifier substitute or rely on matching package, channel count, bandwidth, and slew rate alone. A valid replacement must preserve pin assignments and meet offset, bias-current, noise, common-mode, output-swing, supply-current, and stability requirements. Verify the exact ordering suffix and package revision, and do not leave unused amplifier inputs floating without consulting the manufacturer's recommended configuration.
اطلاعات انطباق
The verified data includes a lead-free LT1214CS#PBF ordering listing but does not explicitly provide RoHS, REACH, halogen-free, or conflict-minerals declarations. The device is a general-purpose precision amplifier, so AEC-Q100 is recorded as not applicable.
