AD827SE/883B - High Speed Dual Op Amp | Analog Devices
MPN: AD827SE/883B ✓ نشطAD827SE/883B نظرة عامة
An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used in signal conditioning, filtering, and mathematical operations. Op amps are fundamental building blocks in analog electronics, forming the basis of active filters, comparators, integrators, and many other circuits. The AD827SE/883B is a dual op amp, meaning it contains two independent amplifiers in one package, saving board space and cost in multi-channel applications.
Key features include a 50 MHz unity-gain bandwidth, 300 V/µs slew rate, 120 ns settling time, and the ability to drive unlimited capacitive loads. It offers excellent video performance with 0.04% differential gain and 0.19° differential phase at 4.4 MHz. DC performance includes a maximum input offset voltage of 2 mV, open-loop gain of 3,500 V/V into 500 Ω loads, and low input voltage noise of 15 nV/√Hz. Common-mode rejection ratio is a minimum of 80 dB, and power supply rejection ratio is maintained above 20 dB at frequencies up to 1 MHz.
The AD827SE/883B is designed for high-speed signal processing, video amplification, and precision analog applications. Its low power consumption and high slew rate make it suitable for portable and battery-powered equipment. The ceramic package provides hermetic sealing, making it ideal for military and aerospace applications where reliability is critical.
Typical applications include video line drivers, analog-to-digital converter (ADC) input buffers, active filters, and instrumentation amplifiers. The device's high bandwidth and fast settling time ensure accurate signal reproduction in high-frequency systems.
When designing with the AD827SE/883B, ensure proper power supply decoupling with 0.1 µF ceramic capacitors close to the supply pins. The device can drive capacitive loads without oscillation, but for optimal performance, use a small series resistor (e.g., 50 Ω) when driving long cables.
بدائل مباشرة لـ AD827SE/883B — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع AD827SE/883B (نفس عامل الشكل والبصمة) — يختلف في Amplifier Type, Package, Power Dissipation, Power Supply Rejection Ratio.
AD827SE
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
AD827AQ
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
AD847SE
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
AD827SE/883B الحدود القصوى والخصائص الكهربائية
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 2 |
| Slew Rate | 300 V/µs |
| Gain Bandwidth Product | 50 MHz |
| Settling Time | 120 ns |
| Input Offset Voltage | 2 mV max |
| Input Voltage Noise | 15 nV/√Hz |
| Open-Loop Gain | 3500 V/V into 500 Ω |
| Common-Mode Rejection Ratio | 80 dB min |
| Power Supply Rejection Ratio | 20 dB min at 1 MHz |
| Supply Voltage Range | ±5 V to ±15 V |
| Power Dissipation | 100 mW at ±5 V |
| Differential Gain | 0.04% at 4.4 MHz |
| Differential Phase | 0.19° at 4.4 MHz |
| العلبة | 20-CLCC (9x9 mm) |
تكوين أطراف AD827SE/883B
| دبوس 1 | OUT A — Output of amplifier A |
| دبوس 2 | -IN A — Inverting input of amplifier A |
| دبوس 3 | +IN A — Non-inverting input of amplifier A |
| دبوس 4 | V- — Negative power supply |
| دبوس 5 | +IN B — Non-inverting input of amplifier B |
| دبوس 6 | -IN B — Inverting input of amplifier B |
| دبوس 7 | OUT B — Output of amplifier B |
| دبوس 8 | V+ — Positive power supply |
التطبيقات النموذجية
AD827SE/883B مناسب لـ 6 التطبيقs: Video Line Driver, ADC Input Buffer, Active Filter, Instrumentation Amplifier, Military and Aerospace, Test and Measurement.
Video Line Driver
The AD827SE/883B's 300 V/µs slew rate and 50 MHz bandwidth make it ideal for driving video signals over coaxial cables. Its ability to drive unlimited capacitive loads ensures signal integrity without external compensation. The low differential gain (0.04%) and phase (0.19°) errors preserve video quality, making it suitable for broadcast and surveillance systems.
موصى به
ADC Input Buffer
With a 120 ns settling time and 50 MHz bandwidth, the AD827SE/883B can buffer high-speed ADC inputs without introducing significant distortion. Its low input offset voltage (2 mV) and high open-loop gain (3500 V/V) ensure accurate signal conditioning for precision data acquisition systems. The dual configuration allows buffering two channels simultaneously, saving board space.
موصى به
Active Filter
The AD827SE/883B's high gain-bandwidth product (50 MHz) enables the design of active filters with high cutoff frequencies. Its low noise (15 nV/√Hz) and high slew rate allow accurate filtering of fast signals without slew-induced distortion. The dual op amp configuration is ideal for implementing second-order filter stages in a single package.
موصى به
Instrumentation Amplifier
The AD827SE/883B's high CMRR (80 dB) and low offset voltage make it suitable for building instrumentation amplifiers for precision measurement. Its high bandwidth ensures accurate amplification of fast sensor signals. The dual configuration allows implementation of a two-op-amp instrumentation amplifier topology with minimal components.
موصى به
Military and Aerospace
The AD827SE/883B's hermetic ceramic package and MIL-STD-883B screening make it suitable for military and aerospace applications where reliability is critical. Its wide supply voltage range (±5 V to ±15 V) and robust performance ensure operation in harsh environments. The low power consumption (100 mW) is beneficial for power-constrained systems.
موصى به
Test and Measurement
The AD827SE/883B's fast settling time and high bandwidth make it ideal for test and measurement equipment such as oscilloscope front-ends and signal generators. Its low distortion and high slew rate ensure accurate reproduction of high-frequency waveforms. The dual configuration allows simultaneous processing of multiple channels in multi-channel instruments.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ AD827SE/883B — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | AD827SE | AD827AQ | AD827JN |
|---|---|---|---|---|
| Package | 20-CLCC (9x9) | 20-CLCC (9x9) | 20-CLCC (9x9) | 8-DIP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Slew Rate | 300 V/µs | 300 V/µs | 300 V/µs | 300 V/µs |
| Gain Bandwidth Product | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Supply Voltage Range | ±5 V to ±15 V | ±5 V to ±15 V | ±5 V to ±15 V | ±5 V to ±15 V |
| Input Offset Voltage | 2 mV max | 2 mV max | 2 mV max | 2 mV max |
| Power Dissipation | 100 mW at ±5 V | 100 mW at ±5 V | 100 mW at ±5 V | 100 mW at ±5 V |
| Military Screening | MIL-STD-883B | None | None | None |
أبرز الفروقات
- Hermetic ceramic package with MIL-STD-883B screening (مقابلAD827JN)
- Dual op amp in a single package (مقابلAD847SE)
- High slew rate and bandwidth (مقابلOPA2604)
ملاحظات التصميم
Ensure proper power supply decoupling by placing 0.1 µF ceramic capacitors close to the V+ and V- pins. Additionally, use 10 µF tantalum capacitors for bulk decoupling. This minimizes power supply noise and ensures stable operation at high frequencies.
For high-speed operation, use a ground plane and keep signal traces short. Avoid routing high-speed signals near the input pins to prevent coupling. Use surface-mount components to reduce parasitic inductance.
Do not exceed the absolute maximum supply voltage of ±18 V. Also, ensure the input common-mode voltage does not exceed the supply rails. When driving capacitive loads, the AD827SE/883B is stable, but for optimal performance, add a small series resistor (e.g., 50 Ω) if driving long cables.
معلومات الامتثال
Compliance information not provided in the verified data. The AD827SE/883B is a military-grade part, so RoHS compliance may not apply.
