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AD8021AR
+BOMIC VOLTAGE FEEDBACK 1 CIRC 8SOIC
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ManufacturerAnalog Devices Inc.
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Mfr. Part #AD8021AR
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Datasheet AD8021AR DataSheet
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In Stock7274
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Specifications
| Attribute | Value |
| 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 |
Overview
Description
The AD8021AR operates with a single or dual power supply, typically ranging from ±2.5V to ±12V, allowing flexibility in circuit design. It also boasts a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), enhancing its performance in noisy environments. Additionally, the device's low total harmonic distortion (THD) and high linearity make it ideal for audio applications and instrumentation. With its robust specifications, the AD8021AR is widely used in telecommunications, medical devices, and industrial automation.
Equivalent
Features
1. Bandwidth: 100 MHz gain bandwidth product, suitable for high-frequency applications.
2. Slew Rate: 55 V/μs, allowing for fast signal transitions.
3. Low Input Noise: 4.5 nV/√Hz, minimizing signal distortion.
4. Supply Voltage: Operates on a dual supply voltage of ±2.5V to ±15V.
5. Low Total Harmonic Distortion (THD): Ensures high fidelity in audio and other sensitive applications.
6. High Output Current: Can drive loads up to 30 mA, suitable for demanding applications.
7. Single-Supply Operation: Can function with a single power supply, enhancing versatility.
8. Wide Input Common-Mode Voltage Range: Allows for flexibility in signal conditioning.
9. Small Package: Available in an 8-lead SOIC, facilitating compact designs.
These features make the AD8021AR ideal for various applications, including imaging, data acquisition, and audio processing.
Pinout
1. Offset Null: Adjusts the offset voltage.
2. Inverting Input (-): The input for the signal to be inverted.
3. Non-Inverting Input (+): The input for the signal to be amplified without inversion.
4. Output: The output of the op-amp.
5. Power Supply (+V): Positive power supply voltage input.
6. Power Supply (-V): Negative power supply voltage input.
7. NC (No Connect): Not connected, typically for package configuration.
8. Compensation: Used for external frequency compensation if needed.
The AD8021 is known for its high speed, low noise, and low distortion characteristics, making it suitable for a wide range of applications in analog signal processing.
Manufacturer
Analog Devices specializes in products that address complex signal processing challenges, and its components are extensively used in various applications, such as amplifiers, converters, sensors, and power management systems. The AD8021AR is a precision, high-speed operational amplifier known for its low noise and high bandwidth, making it suitable for applications in instrumentation, audio, and data acquisition systems. The company is headquartered in Norwood, Massachusetts, and is recognized for its innovation and commitment to quality in electronic components.
Application
1. Signal Conditioning: Amplifying low-level signals from sensors or transducers.
2. Data Acquisition Systems: Enhancing the performance of ADCs in measurement systems.
3. Instrumentation: Used in precision measurement and medical instrumentation.
4. Active Filters: Implementing high-frequency filters in audio and communication systems.
5. Video Processing: Amplifying and conditioning video signals in imaging applications.
6. Feedback Circuits: Employed in control loops for stability and performance improvement.
Its high slew rate and bandwidth make it suitable for demanding applications.