AD823AARMZ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Analog Front End (AFE) for biopotential measurements
• Characteristics:
  • Low power consumption
  • High common-mode rejection ratio
  • Wide input voltage range
  • Small package size
• Package: 10-Lead MSOP (Mini Small Outline Package)
• Essence: AFE for measuring biopotential signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: -0.3V to VDD + 0.3V
• Common-Mode Rejection Ratio: >80dB
• Gain Bandwidth Product: 50kHz
• Input Bias Current: 1pA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. IN+
2. IN-
3. REF
4. VDD
5. RL
6. OUT
7. GND
8. NC
9. NC
10. NC

Functional Features

• Low power consumption enables battery-powered applications
• High common-mode rejection ratio minimizes interference from external noise
• Wide input voltage range allows for versatile signal measurement
• Small package size facilitates compact circuit designs

Advantages

• Low power consumption extends battery life in portable devices
• High common-mode rejection ratio improves signal quality
• Wide input voltage range accommodates various signal levels
• Small package size saves board space in compact designs

Disadvantages

• Limited gain bandwidth product may restrict high-frequency signal measurements
• Noisy environment may affect the accuracy of measurements

Working Principles

The AD823AARMZ is an analog front end designed for biopotential measurements. It amplifies and filters biopotential signals, such as electrocardiogram (ECG) or electromyogram (EMG) signals, while rejecting common-mode noise. The amplified and filtered signals are then available at the output for further processing.

Detailed Application Field Plans

The AD823AARMZ is commonly used in medical devices, fitness trackers, and wearable health monitoring systems. Its ability to accurately measure biopotential signals makes it suitable for applications such as: - ECG monitoring - EMG analysis - Sleep monitoring - Stress level detection

Detailed and Complete Alternative Models

1. AD8232: Similar functionality with enhanced noise performance
2. AD8221: Instrumentation amplifier with higher gain accuracy
3. INA333: Low-power precision instrumentation amplifier

These alternative models offer similar functionalities to the AD823AARMZ and can be considered based on specific application requirements.

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