AD8021AR

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AD8021AR

IC VOLTAGE FEEDBACK 1 CIRC 8SOIC

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100% gốc & amp; Mới

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Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Part Status Obsolete
Amplifier Type Voltage Feedback
Number of Circuits 1
Slew Rate 460V/µs
Current - Input Bias 7.5 µA
Voltage - Input Offset 400 µV
Current - Supply 7.8mA
Current - Output / Channel 70 mA
Voltage - Supply Span (Min) 4.5 V
Voltage - Supply Span (Max) 24 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number AD8021
-3db Bandwidth 560 MHz

Tổng quan

Description

The AD8021AR is a high-performance operational amplifier (op-amp) designed by Analog Devices. It features a wide bandwidth of 100 MHz and a low noise density of 3.5 nV/√Hz, making it suitable for a variety of applications, including medical instrumentation, data acquisition, and video processing. The op-amp operates on a single supply voltage range of 4.5V to 12V or dual supplies of ±2.25V to ±6V.
Key specifications include a high slew rate of 30 V/μs, low total harmonic distortion (THD), and a high output drive capability, allowing it to handle various loads effectively. The AD8021AR is also designed for low power consumption, with a typical current of 1.1 mA, contributing to its efficiency in battery-operated devices.
The device is available in various package options and is noted for its ease of use in feedback configurations, making it a popular choice among engineers for precision applications.

Features

The AD8021AR is a high-speed, precision operational amplifier known for its low noise and wide bandwidth. Key features include:
1. High Slew Rate: 27 V/µs, allowing for fast signal response.
2. Wide Bandwidth: Gain bandwidth product of 95 MHz at a gain of 1.
3. Low Noise: 4.5 nV/√Hz at 1 kHz, ensuring minimal signal distortion.
4. Low Input Offset Voltage: Typically 200 µV, enhancing accuracy in precision applications.
5. Low Distortion: THD+N of 0.0003% at 1 kHz, ideal for audio and precision signal applications.
6. Output Drive Capability: Can drive heavy loads, with a maximum output current of 50 mA.
7. Supply Voltage Range: Operates from ±2.5 V to ±12 V, making it versatile for various applications.
8. Single and Dual Supply Operation: Flexible design options for different circuit requirements.
9. Temperature Range: Suitable for industrial applications, with an operational range from -40°C to +85°C.
These features make the AD8021AR suitable for applications in instrumentation, audio processing, and data acquisition systems.

Package

The AD8021AR is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.

Pinout

The AD8021AR is a precision operational amplifier with a total of 8 pins in its standard 8-lead SOIC package.
Pin Configuration and Functions:
1. Inverting Input (−): Pin 2 - For inputting the signal to be amplified in an inverting configuration.
2. Non-Inverting Input (+): Pin 3 - For inputting the signal to be amplified in a non-inverting configuration.
3. Offset Null: Pin 1 - Used for adjusting the offset voltage (if applicable).
4. Common (V-): Pin 4 - Connection to the negative supply voltage (ground in single supply applications).
5. Output: Pin 6 - The output of the amplified signal.
6. Power Supply (+): Pin 7 - Connection to the positive supply voltage.
7. NC (No Connection): Pin 5 - Not used; should be left unconnected.
8. Thermal Pad: Pin 8 - Used for heat dissipation in some packages.
The AD8021AR is known for its high speed and low noise, making it suitable for precision applications.

Manufacturer

The AD8021AR is manufactured by Analog Devices, Inc. (ADI), a company known for its specialization in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide range of industries, including communications, automotive, healthcare, and industrial automation. The company is recognized for its innovation in signal processing technology and provides solutions that enable the conversion, conditioning, and amplification of real-world signals, such as audio, video, and sensor data.

Application

The AD8021AR is a high-speed operational amplifier commonly used in applications such as signal conditioning, data acquisition systems, active filters, video processing, and analog-to-digital converters (ADCs). Its low noise and high bandwidth make it suitable for precision instrumentation, telecommunications, medical devices, and imaging systems.

Equivalent

Equivalent products to the AD8021AR op-amp include the OPA2134 from Texas Instruments, LM4562 from Texas Instruments, and MCP602 from Microchip. These alternatives provide similar performance characteristics such as high speed, low noise, and good linearity. Always check the specific requirements like bandwidth, supply voltage, and package type for compatibility.

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