Overview
The AD8223BRZ-RL, produced by Analog Devices Inc., is a single-supply, low-cost instrumentation amplifier. This integrated circuit is designed to deliver rail-to-rail output swing on a single supply, making it highly versatile for various applications. The AD8223 is simple to use, with the gain set by a single external resistor, allowing gains from 5 to 1000. It operates over a wide supply voltage range of 3V to 24V for single supply and ±2V to ±12V for dual supply, making it ideal for battery-powered and other low-voltage applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 3 | 24 | V | |
| Supply Voltage (Dual) | ±2 | ±12 | V | |
| Quiescent Current | 350 | 500 | 600 | μA |
| Input Bias Current | 12 | 25 | nA | |
| Input Offset Voltage | 250 | μV | ||
| Gain Range | 5 | 1000 | V/V | |
| -3 dB Bandwidth (G=5) | 200 | kHz | ||
| Slew Rate | 0.3 | V/μs | ||
| Operating Temperature | -40 | 85 | °C | |
| Package | 8-SOIC |
Key Features
- Single-Supply Operation: The AD8223 operates on a single supply from 3V to 24V and can also operate on dual supplies from ±2V to ±12V.
- Rail-to-Rail Output: Provides rail-to-rail output swing, maximizing dynamic range even at low supply voltages.
- Low Power Consumption: Consumes only 1.5 mW at 3V, making it suitable for battery-powered applications.
- Wide Input Common-Mode Range: Can amplify signals with a common-mode voltage up to 150 mV below ground.
- High Gain Flexibility: Gain can be set with a single external resistor, allowing gains from 5 to 1000.
- Low Noise and High Linearity: Features low noise (30 nV/√Hz at 1 kHz) and high linearity, ensuring accurate signal amplification.
Applications
The AD8223 is versatile and can be used in a variety of applications, including:
- Battery-Powered Devices: Ideal for low-power, battery-operated systems due to its low power consumption.
- Medical Devices: Suitable for medical instrumentation where low noise and high accuracy are crucial.
- Industrial Automation: Used in industrial control systems and measurement instruments.
- Automotive Systems: Can be applied in automotive sensors and monitoring systems.
- Consumer Electronics: Found in various consumer electronic devices requiring precise signal amplification.
Q & A
- What is the supply voltage range for the AD8223BRZ-RL?
The AD8223BRZ-RL operates on a single supply from 3V to 24V and on dual supplies from ±2V to ±12V.
- How is the gain set for the AD8223BRZ-RL?
The gain is set using a single external resistor, allowing gains from 5 to 1000.
- What is the typical quiescent current of the AD8223BRZ-RL?
The typical quiescent current is 500 μA.
- What is the input bias current of the AD8223BRZ-RL?
The input bias current is typically 12 nA and can be up to 25 nA).
- What is the -3 dB bandwidth of the AD8223BRZ-RL at a gain of 5?
The -3 dB bandwidth at a gain of 5 is 200 kHz).
- What is the slew rate of the AD8223BRZ-RL?
The slew rate is 0.3 V/μs).
- What is the operating temperature range for the AD8223BRZ-RL?
The operating temperature range is -40°C to 85°C).
- What package types are available for the AD8223BRZ-RL?
The AD8223BRZ-RL is available in an 8-SOIC package).
- Is the AD8223BRZ-RL suitable for battery-powered applications?
Yes, it is suitable due to its low power consumption of 1.5 mW at 3V).
- What are some common applications of the AD8223BRZ-RL?
Common applications include battery-powered devices, medical devices, industrial automation, automotive systems, and consumer electronics).
