AD827SQ/883B - Dual High Speed Op Amp | Analog Devices
부품 번호: AD827SQ/883B ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $107.67 | $107.67 |
| 10 | $98.5 | $985.00 |
| 100 | $89.2 | $8,920.00 |
| 500 | $80 | $40,000.00 |
| 1,000 | $72.5 | $72,500.00 |
AD827SQ/883B 개요
An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used in analog circuits for amplification, filtering, and signal conditioning. The AD827 is a dual op amp, meaning it contains two independent amplifiers in one package, providing design flexibility and space savings. As a high-speed op amp, it is part of the broader category of linear integrated circuits, which are fundamental building blocks in analog signal processing systems.
Key features of the AD827SQ/883B include its high slew rate and bandwidth, which enable it to handle fast transient signals without distortion, making it suitable for video and pulse amplification. The low power consumption of 100 mW per amplifier is advantageous in power-sensitive applications. The military-grade qualification ensures reliability in harsh environments, with a specified operating temperature range of -55°C to +125°C. The device also offers excellent AC performance, with a gain-bandwidth product of 50 MHz and a settling time of 100 ns to 0.1%.
Technically, the AD827 is a dual version of the AD847, sharing its architecture and performance characteristics. It uses a complementary bipolar process to achieve high speed and low noise. The input stage provides low offset voltage and high common-mode rejection, while the output stage can drive 500 Ω loads with high open-loop gain. The device is internally compensated for unity-gain stability, simplifying its use in various configurations.
Typical applications include high-speed data acquisition systems, video amplifiers, active filters, and precision instrumentation. Its high slew rate and bandwidth make it ideal for driving analog-to-digital converters (ADCs) and for use in communication systems where signal integrity is critical. The military-grade version is particularly suited for aerospace and defense applications where reliability is paramount.
When designing with the AD827SQ/883B, ensure proper power supply decoupling with 0.1 µF capacitors close to the supply pins to maintain stability and reduce noise. The device's high bandwidth requires careful PCB layout to minimize parasitic capacitance and inductance, which can affect performance.
드롭인 대체품: AD827SQ/883B — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: AD827SQ/883B (동일 폼 팩터 및 풋프린트) — 차이점: Amplifier Type, Package, Power Dissipation, Power Supply Rejection Ratio.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
AD827SE/883B
✅ 드롭인✓ 재고 있음
$7.5 / 개
데이터시트 보기 →AD827SQ
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
AD827AQ
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
5962-9211701MPA
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
AD827SQ/883B 최대 정격 & 전기적 특성
| Amplifier Type | General Purpose |
| Number of Circuits | 2 |
| Slew Rate | 300 V/µs |
| Gain Bandwidth Product | 50 MHz |
| Supply Voltage Range | ±5 V to ±15 V |
| Power Dissipation | 100 mW per amplifier |
| Open-Loop Gain | 3500 V/V into 500 Ω |
| Input Voltage Noise | 15 nV/√Hz |
| Input Offset Voltage | 2 mV max |
| Common-Mode Rejection Ratio | 80 dB min |
| Power Supply Rejection Ratio | 20 dB at 1 MHz |
| 동작 온도 범위 | -55°C to +125°C |
| 패키지 | 8-CERDIP |
| 실장 유형 | Through Hole |
| Military Grade | MIL-STD-883B |
AD827SQ/883B 핀 구성
| 핀 1 | OUT A — Output of amplifier A |
| 핀 2 | -IN A — Inverting input of amplifier A |
| 핀 3 | +IN A — Non-inverting input of amplifier A |
| 핀 4 | V- — Negative power supply |
| 핀 5 | +IN B — Non-inverting input of amplifier B |
| 핀 6 | -IN B — Inverting input of amplifier B |
| 핀 7 | OUT B — Output of amplifier B |
| 핀 8 | V+ — Positive power supply |
일반적인 애플리케이션
AD827SQ/883B 적합 용도: 6 애플리케이션s: High-Speed Data Acquisition, Video Amplification, Active Filters, Precision Instrumentation, Communication Systems, Aerospace and Defense.
High-Speed Data Acquisition
The AD827SQ/883B's 300 V/µs slew rate and 50 MHz bandwidth make it ideal for driving high-speed ADCs and sample-and-hold circuits. Its low noise and high open-loop gain ensure accurate signal conditioning in data acquisition systems, where fast settling and minimal distortion are critical. The military-grade qualification ensures reliable operation in harsh environments, such as aerospace telemetry and industrial process control.
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Video Amplification
With a slew rate of 300 V/µs and a bandwidth of 50 MHz, the AD827SQ/883B is well-suited for video signal amplification in broadcast and surveillance systems. It can drive 500 Ω loads with high linearity, preserving signal integrity for composite or component video. The dual configuration allows for compact designs, and the military-grade version ensures performance in extreme temperatures.
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Active Filters
The AD827SQ/883B's high gain-bandwidth product of 50 MHz enables the implementation of active filters with high cutoff frequencies, such as anti-aliasing filters in communication systems. Its low noise and high slew rate minimize filter distortion, while the dual package allows for multi-stage filters in a single IC. The wide supply range supports various filter topologies.
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Precision Instrumentation
The AD827SQ/883B offers low input offset voltage (2 mV max) and high common-mode rejection (80 dB min), making it suitable for precision instrumentation amplifiers. Its high speed allows for fast measurement updates, and the military-grade reliability is essential for test and measurement equipment used in defense and aerospace. The dual configuration enables differential signal processing.
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Communication Systems
In communication systems, the AD827SQ/883B can be used in IF amplification, signal conditioning, and driver stages. Its high slew rate and bandwidth support high-frequency signals, while the low power consumption is advantageous in portable or battery-operated equipment. The military-grade version is suitable for military communication systems where reliability is critical.
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Aerospace and Defense
The AD827SQ/883B is qualified to MIL-STD-883B, making it ideal for aerospace and defense applications such as radar signal processing, avionics, and guidance systems. Its hermetic CERDIP package provides protection against moisture and contaminants, and the wide temperature range (-55°C to +125°C) ensures operation in extreme environments. The high slew rate and bandwidth are essential for processing fast transient signals.
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추천 제품 요약
엔지니어링 참조 데이터: AD827SQ/883B — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | AD827SE/883B | AD827SQ | AD827AQ | AD827JN |
|---|---|---|---|---|---|
| Package | 8-CERDIP | 8-CERDIP | 8-CERDIP | 8-CERDIP | 8-PDIP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Slew Rate | 300 V/µs | 300 V/µs | 300 V/µs | 300 V/µs | 300 V/µs |
| Gain Bandwidth Product | 50 MHz | 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 | ±5 V to ±15 V |
| Input Voltage Noise | 15 nV/√Hz | 15 nV/√Hz | 15 nV/√Hz | 15 nV/√Hz | 15 nV/√Hz |
| Operating Temperature Range | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | -40°C to +85°C | 0°C to +70°C |
| Military Grade | Yes (MIL-STD-883B) | Yes (MIL-STD-883B) | No | No | No |
주요 차별점
- Military-grade qualification (MIL-STD-883B) (vs AD827AQ)
- Hermetic CERDIP package (vs AD827JN)
- Identical electrical performance to AD827SQ (vs AD827SQ)
설계 노트
Ensure adequate power supply decoupling. Place 0.1 µF ceramic capacitors as close as possible to the V+ and V- pins (pins 8 and 4) to filter high-frequency noise. Additionally, use 10 µF tantalum capacitors in parallel for low-frequency stability. This is critical for maintaining the high PSRR and preventing oscillation.
For high-speed operation, use a ground plane and minimize trace lengths to reduce parasitic inductance and capacitance. Keep feedback resistors and input traces short and direct. Avoid routing high-speed digital signals near the analog inputs to prevent crosstalk. Follow the layout guidelines in the AD827 datasheet for optimal performance.
The AD827SQ/883B dissipates up to 200 mW (100 mW per amplifier) under normal operation. In a CERDIP package, ensure adequate airflow or heatsinking if operating at high ambient temperatures. The military temperature range allows operation up to +125°C, but junction temperature should not exceed 150°C. Derate power dissipation accordingly.
규정 준수 정보
Military-grade components may be exempt from RoHS due to lead in solder. Compliance data not provided in verified sources.
