AD827SE/883B - High Speed Dual Op Amp | Analog Devices
N.º de pieza: AD827SE/883B ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.25 | $112,50 |
| 100 | $10 | $1.000,00 |
| 500 | $8.75 | $4.375,00 |
| 1.000 | $7.5 | $7.500,00 |
AD827SE/883B Descripción general
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.
Alternativas directas para AD827SE/883B — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con AD827SE/883B (mismo factor de forma y huella) — difiere en Amplifier Type, Package, Power Dissipation, Power Supply Rejection Ratio.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
AD827SE
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
AD827AQ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
AD847SE
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
AD827SE/883B Valores máximos y características eléctricas
| 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 |
| Encapsulado | 20-CLCC (9x9 mm) |
Configuración de pines de AD827SE/883B
| Pin 1 | OUT A — Output of amplifier A |
| Pin 2 | -IN A — Inverting input of amplifier A |
| Pin 3 | +IN A — Non-inverting input of amplifier A |
| Pin 4 | V- — Negative power supply |
| Pin 5 | +IN B — Non-inverting input of amplifier B |
| Pin 6 | -IN B — Inverting input of amplifier B |
| Pin 7 | OUT B — Output of amplifier B |
| Pin 8 | V+ — Positive power supply |
Aplicaciones típicas
AD827SE/883B es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para AD827SE/883B — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- Hermetic ceramic package with MIL-STD-883B screening (frente a AD827JN)
- Dual op amp in a single package (frente a AD847SE)
- High slew rate and bandwidth (frente a OPA2604)
Notas de diseño
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.
Información de cumplimiento
Compliance information not provided in the verified data. The AD827SE/883B is a military-grade part, so RoHS compliance may not apply.
