Overview
The AD8223BRZ, produced by Analog Devices Inc., is an integrated single-supply instrumentation amplifier designed for a wide range of applications. It is known for its simplicity and versatility, allowing users to set the gain with just one external resistor. The AD8223BRZ operates on a single supply voltage ranging from 3V to 24V and can also function with dual supply voltages from ±2V to ±12V. This amplifier is optimized for low power consumption, making it ideal for battery-powered devices. It features a rail-to-rail output swing, which maximizes the dynamic range even at low supply voltages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3 | 24 | V | |
| Dual Supply Voltage | ±2 | ±12 | V | |
| Quiescent Current | 350 | 500 | 600 | μA |
| Input Bias Current | 25 | nA | ||
| Input Voltage Noise (RTI) @ 1 kHz | 30 | nV/√Hz | ||
| Common-Mode Rejection Ratio (CMRR) | 80 | 86 | 96 | dB |
| Gain Range | 5 | 1000 | V/V | |
| Slew Rate | 0.2 | V/μs | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Package | 8-Lead SOIC |
Key Features
- Single-supply operation with a voltage range of 3V to 24V, and dual-supply operation from ±2V to ±12V.
- Rail-to-rail output swing, maximizing dynamic range even at low supply voltages.
- Low power consumption of 1.5 mW at 3V, making it suitable for battery-powered applications.
- Gain set with a single external resistor, with a gain range of 5 to 1000.
- Wide input common-mode range, allowing amplification of signals with a 150 mV common-mode voltage below ground.
- High common-mode rejection ratio (CMRR) of up to 96 dB.
- Low input bias current of 25 nA and low input voltage noise of 30 nV/√Hz at 1 kHz.
Applications
- Battery-powered devices due to its low power consumption.
- Medical devices requiring high accuracy and low noise.
- Industrial control systems where robust and reliable signal amplification is necessary.
- Aerospace and defense applications where compact, reliable amplifiers are required.
- Automotive systems needing high CMRR and low noise amplification.
Q & A
- What is the supply voltage range for the AD8223BRZ?
The AD8223BRZ can operate on a single supply voltage from 3V to 24V and on dual supply voltages from ±2V to ±12V.
- How is the gain set for the AD8223BRZ?
The gain is set using a single external resistor, allowing gains from 5 to 1000.
- What is the input bias current of the AD8223BRZ?
The input bias current is 25 nA.
- What is the common-mode rejection ratio (CMRR) of the AD8223BRZ?
The CMRR can be up to 96 dB.
- Is the AD8223BRZ suitable for battery-powered applications?
- What is the operating temperature range for the AD8223BRZ?
The operating temperature range is from -40°C to +85°C.
- What package types are available for the AD8223BRZ?
The AD8223BRZ is available in an 8-Lead SOIC package.
- What is the slew rate of the AD8223BRZ?
The slew rate is 0.2 V/μs.
- Can the AD8223BRZ amplify signals with a common-mode voltage below ground?
- What is the input voltage noise of the AD8223BRZ at 1 kHz?
The input voltage noise is 30 nV/√Hz at 1 kHz.
