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AD548JN

产品分类: 运算放大器
厂牌: ANALOG DEVICES
产品描述: 1.8V/μs@ ±15V 80nV/rtHz@ ±15V 1MHz 1 2mV@ ±15V 20pA@ ±15V DIP 通孔安装 9.27mm*7.24mm*3.43mm
供应商型号:
供应商:
标准整包数: 0
ANALOG DEVICES 运算放大器 AD548JN

AD548JN概述

    AD548 Precision, Low Power BiFET Op Amp
    Product Introduction
    The AD548 is a low-power, precision monolithic operational amplifier designed for high-performance applications requiring minimal power consumption and exceptional accuracy. Fabricated using ion-implanted FET and laser wafer trimming technologies, this BiFET op amp delivers excellent DC and AC performance while maintaining low bias current and offset voltage. The AD548 serves as a versatile component for dual-supply operational amplifier applications, particularly in areas like battery-powered instruments, precision front-ends, and CMOS DAC buffers.
    The AD548 comes in two versions: a single version (AD548) and a dual version (AD648), available in various package options including plastic and hermetic metal can configurations, as well as chip form. Additionally, the surface-mount (SOIC) package is available, making it ideal for modern electronic designs.
    Technical Parameters
    Below are key technical specifications for the AD548:
    | Parameter | AD548J (Commercial) | AD548K/B (Industrial) |
    |
    | Input Offset Voltage (Initial) | 0.75–2.0 mV | 0.3–0.5 mV |
    | Drift vs. Temperature | ≤20 µV/°C | ≤20 µV/°C |
    | Input Bias Current (Max) | 10 pA | 10 pA |
    | Quiescent Current (Max) | 200 µA | 200 µA |
    | Unity Gain Bandwidth | 1 MHz | 1 MHz |
    | Slew Rate (Typ) | 1.8 V/µs | 1.8 V/µs |
    | Output Voltage Swing | ±12 V (≥10 kΩ) | ±12 V (≥10 kΩ) |
    | Input Voltage Range | ±11 V | ±12 V |
    | Common-Mode Rejection Ratio (CMRR) | ≥82 dB (Min, Industrial) | ≥90 dB (Min, Industrial) |
    Performance highlights:
    - Low supply current: 200 µA max.
    - Excellent dc and ac performance.
    - High input impedance: 1 × 10¹² Ω·pF.
    - Minimal thermal drift (20 µV/°C).
    - Suitable for industrial (-40°C to +85°C) and military (-55°C to +125°C) temperature ranges.
    Product Features and Advantages
    1. Low Power Consumption: The AD548 consumes just 200 µA quiescent current, making it highly efficient for portable and battery-operated devices.
    2. High Precision: With guaranteed input offset voltage of ≤2 mV (AD548J) and low drift (<20 µV/°C), it ensures exceptional DC accuracy.
    3. Pin Compatibility: Compatible with industry-standard op amps (e.g., LF441, TL061), simplifying design upgrades.
    4. High CMRR and Open-Loop Gain: Provides superior rejection of common-mode signals, ensuring stable operation in high-impedance circuits.
    5. Enhanced Performance: Offers a slew rate of 1.8 V/µs and unity gain bandwidth of 1 MHz, enabling fast response times.
    6. Packaging Flexibility: Available in multiple package types, including plastic mini-DIP, SOIC, and hermetic metal can, catering to diverse application requirements.
    Application Case Studies and Usage Recommendations
    1. D/A Converter Output Buffer: The AD548 excels in buffering outputs from 12-bit CMOS DACs. Its low input offset voltage, low drift, and clean dynamics ensure minimal error propagation.
    - Recommendation: Use the AD548 in scenarios requiring high linearity and low power, such as instrumentation and data acquisition systems.

    2. Instrumentation Amplifiers: The AD548 can serve as part of an instrumentation amplifier design with gains ranging from 1 to 100. Its high CMRR and input impedance facilitate accurate differential measurements.
    - Optimization Tip: Ensure resistor pair matching to minimize gain errors and maximize the AD548's performance.
    3. Battery-Powered Systems: Due to its ultra-low power consumption, the AD548 is ideal for applications requiring exte

AD548JN参数

参数
最小工作供电电压 -
电路数 -
输出类型 -
-3db带宽 -
最大工作供电电压 -
典型压摆率 1.8V/μs@ ±15V
典型增益带宽 1MHz
CMRR - 共模抑制比 -
通道数量 1
典型供电电流 -
关闭 -
Vos - 输入偏置电压 2mV@ ±15V
放大器类型 -
电流 - 输入偏置 20pA@ ±15V
典型输入噪声电压密度 80nV/rtHz@ ±15V
每个通道的输出电流 -
长*宽*高 9.27mm*7.24mm*3.43mm
通用封装 DIP
安装方式 通孔安装
应用等级 商用级

AD548JN厂商介绍

Analog Devices(简称ADI)是一家全球领先的半导体公司,专注于模拟、混合信号和数字信号处理(DSP)集成电路(IC)的设计、制造和营销。公司成立于1965年,总部位于美国马萨诸塞州的诺伍德。

ADI的主营产品主要分为以下几类:
1. 数据转换器:包括模数转换器(ADC)和数模转换器(DAC),广泛应用于通信、工业、医疗等领域。
2. 放大器和比较器:提供各种高性能放大器和比较器产品,用于信号放大、滤波和比较等。
3. 射频(RF)和微波产品:包括射频收发器、混频器、放大器等,应用于无线通信、**等领域。
4. 电源管理:提供电源转换、电源管理等解决方案,满足各种电源需求。
5. 接口和通信:包括以太网、串行通信等接口产品,用于数据传输和通信。
6. 处理器和DSP:提供高性能处理器和数字信号处理器,用于复杂信号处理和控制。

ADI的优势在于其在模拟和混合信号领域的深厚技术积累,以及对客户需求的深刻理解。公司不断推出创新产品,满足客户在各种应用场景下的需求,如5G通信、自动驾驶、工业自动化等。此外,ADI还提供全面的技术支持和定制化服务,帮助客户实现产品快速上市。

AD548JN数据手册

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