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Product Name: AD8421ARZ
Product Overview:
The AD8421ARZ is a high-precision, low-noise operational amplifier designed for a wide range of applications. With its exceptional performance and versatile features, this amplifier is an ideal choice for precision instrumentation, medical devices, and audio applications. The AD8421ARZ offers superior noise performance, high accuracy, and excellent common-mode rejection ratio (CMRR), making it suitable for demanding measurement and signal conditioning requirements.
Key Features:
- High Precision: The AD8421ARZ offers exceptional precision with a maximum offset voltage of 10 μV and low input bias current of 20 nA, ensuring accurate signal amplification.
- Low Noise: With a low noise density of 3.4 nV/√Hz and a low input voltage noise of 0.8 μV RMS, this amplifier provides a clean signal amplification with minimal interference.
- Wide Gain Range: The AD8421ARZ supports a wide gain range from 1 to 10,000, allowing for flexibility in signal conditioning and amplification requirements.
- High Bandwidth: With a -3 dB bandwidth of 5 MHz, this amplifier provides high-speed signal amplification for applications requiring fast response times.
- Excellent CMRR: The amplifier exhibits a CMRR of 140 dB (typical) at 60 Hz, ensuring effective rejection of common-mode noise and interference.
- Low Power Consumption: The AD8421ARZ operates on a low supply current of 1.5 mA, making it suitable for power-sensitive applications and extending battery life.
- Single-Supply Operation: This amplifier can operate from a single supply voltage range of 2.7 V to 36 V, offering convenience and compatibility with a wide range of systems.
- Robust Protection: The AD8421ARZ features built-in protection circuitry, including input overvoltage protection and output short-circuit protection, ensuring reliable and safe operation.
Applications:
- Precision instrumentation and measurement systems
- Medical equipment and devices
- Audio amplification and signal conditioning
- Data acquisition systems
- Industrial control systems
- Sensor signal amplification
Product Specifications:
| Parameter | Value |
| Supply Voltage Range | 2.7 V to 36 V |
| Operating Temperature Range | -40°C to +125°C |
| Input Offset Voltage | 10 μV (maximum) |
| Input Bias Current | 20 nA (maximum) |
| Input Voltage Noise | 0.8 μV RMS |
| Noise Density | 3.4 nV/√Hz |
| Gain Range | 1 to 10,000 |
| Bandwidth | 5 MHz (typical) |
| Common-Mode Rejection Ratio | 140 dB (typical) at 60 Hz |
| Supply Current | 1.5 mA (typical) |
| Package | 8-Lead SOIC, 8-Lead MSOP, 8-Lead DFN |
The AD8421ARZ is a reliable and high-performance operational amplifier that delivers precision, low-noise amplification for a wide range of applications. With its exceptional specifications and versatile features, this amplifier provides engineers and designers with the tools they need to achieve accurate and reliable signal conditioning. Whether you are working on precision instrumentation, medical devices, or audio applications, the AD8421ARZ is an excellent choice that combines performance, flexibility, and ease of use.
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