AD825ARZ

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AD825ARZ

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IC OPAMP JFET 1 CIRCUIT 8SOIC

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規格

屬性 價值
Package Tube
ProductStatus Active
AmplifierType J-FET
NumberofCircuits 1
SlewRate 140V/µs
GainBandwidthProduct 26 MHz
-3dbBandwidth 46 MHz
Current-InputBias 15 pA
Voltage-InputOffset 1 mV
Current-Supply 6.5mA
Current-Output/Channel 50 mA
Voltage-SupplySpan(Min) 10 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

The AD825ARZ is a precision instrumentation amplifier produced by Analog Devices. It is designed to optimize performance in applications requiring accurate signal amplification, such as sensor interfacing and data acquisition systems. The device features a high input impedance, low output noise, and excellent common-mode rejection ratio (CMRR), making it suitable for use in environments with significant noise interference.
Key specifications include a gain bandwidth of 5 MHz, a low offset voltage of 100 µV, and a gain range from 1 to 1000, which can be easily adjusted through an external resistor. The AD825ARZ operates with dual power supplies ranging from ±5 V to ±15 V, accommodating a variety of system power requirements.
This amplifier is housed in an SOIC-8 package, facilitating easy integration on printed circuit boards. Its robust design ensures stability over temperature variations, making it reliable for both industrial and commercial applications. Overall, the AD825ARZ is ideal for applications requiring precision amplification and minimal drift across varying operating conditions.

Equivalent

The AD825ARZ is a precision instrumentation amplifier. Equivalent products include:
1. INA128 (Texas Instruments)
2. MAX4194 (Maxim Integrated)
3. LT1167 (Analog Devices/Linear Technology)
4. MCP6N11 (Microchip Technology)
These alternatives can vary in specifications, so it's important to review datasheets to ensure compatibility with your specific application requirements.

Features

The AD825ARZ is a precision instrumentation amplifier known for its high performance and versatility. Key features include:
1. Wide Bandwidth: It offers a wide bandwidth of 12 MHz, making it suitable for demanding applications requiring fast signal processing.
2. High Slew Rate: With a slew rate of 20 V/µs, the AD825ARZ ensures rapid response to input changes, beneficial for dynamic signal conditions.
3. Low Input Bias Current: This amplifier has a low input bias current of 2 nA, enhancing its precision and making it suitable for high-impedance sensor applications.
4. Low Offset Voltage: It features a low offset voltage of 150 µV, which helps in maintaining signal accuracy by minimizing error.
5. Gain Flexibility: It provides programmable gain settings via external resistors, offering flexibility in different application scenarios.
6. Low Noise: The low noise level of 9 nV/√Hz contributes to clearer signal amplification.
7. Operating Temperature Range: It operates within a wide temperature range from -40°C to +85°C, suitable for various environments.
8. Power Supply Compatibility: The AD825ARZ is compatible with dual ±15V power supplies, making it adaptable across different systems.
These features collectively make the AD825ARZ ideal for precision data acquisition systems, medical instrumentation, and industrial process controls.

Pinout

The AD825ARZ is an instrumentation amplifier manufactured by Analog Devices. It features an 8-pin layout, which is typical for devices of this kind. The primary function of the AD825ARZ is to amplify small differential signals in the presence of large common-mode voltages. It is widely used in precision measurement applications due to its high accuracy, low noise, and wide bandwidth.
Here is a brief description of the pin functions:
1. Pin 1 (RG1): Gain resistor connection.
2. Pin 2 (RG2): Gain resistor connection.
3. Pin 3 (V-): Negative power supply.
4. Pin 4 (VIN-): Inverting input.
5. Pin 5 (VIN+): Non-inverting input.
6. Pin 6 (REF): Reference voltage.
7. Pin 7 (VOUT): Output voltage.
8. Pin 8 (V+): Positive power supply.
Adjusting the gain of the AD825ARZ is achieved by connecting resistors between the RG1 and RG2 pins. The amplifier is designed to deliver excellent performance in situations where precision and stability are critical.

Manufacturer

The AD825ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. The company is known for its innovation in areas such as data conversion, signal processing, and power management, making it a leader in the semiconductor industry. Analog Devices serves a wide range of industries, including communications, healthcare, automotive, industrial, and consumer electronics, providing critical components and solutions that enable advanced technological applications.

Application

The AD825ARZ is an instrumentation amplifier designed for precise signal conditioning, making it suitable for various applications. Common areas include:
1. Medical Equipment: Used in devices like ECG and EEG machines for accurate bio-signal amplification.
2. Industrial Process Controls: Provides signal conditioning in automation systems and industrial sensors.
3. Weigh Scales: Enhances precision in load cell signal amplification.
4. Data Acquisition Systems: Offers reliable signal processing for accurate data capture.
5. Test and Measurement Equipment: Utilized in equipment requiring high precision and stability.
6. Seismic and Acoustic Sensors: Amplifies signals for geological and environmental monitoring.
Its versatile features make the AD825ARZ ideal for applications needing high accuracy and low noise.

Package

The AD825ARZ is an operational amplifier housed in an SOIC-8 package, which is a standard small-outline integrated circuit with eight pins.

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