Overview
The AD8223BRMZ-R7, produced by Analog Devices Inc., is a single-supply integrated instrumentation amplifier designed to deliver high performance with a simple and efficient design. This amplifier is optimized for operation from a single supply voltage ranging from 3 V to 24 V, but it also performs well with dual supply voltages from ±2 V to ±12 V. The AD8223BRMZ-R7 features a rail-to-rail output swing, which maximizes the dynamic range even at low supply voltages, making it ideal for battery-powered applications. The device conforms to the 8-lead industry standard pinout configuration and is available in MSOP and SOIC packages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (Single Supply) | 3 | 24 | V | |
| Supply Voltage Range (Dual Supply) | ±2 | ±12 | V | |
| Quiescent Current | 350 | 500 | 600 | μA |
| Input Bias Current | 25 | nA | ||
| Common-Mode Rejection Ratio (CMRR) | 80 | 86 | 96 | dB |
| Voltage Noise (1 kHz) | 30 | 50 | nV/√Hz | |
| Small Signal Bandwidth | 7 | 70 | 200 | kHz |
| Slew Rate | 0.3 | V/μs | ||
| Settling Time to 0.01% | 30 | 150 | μs | |
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Single Resistor Gain Setting: The gain can be set from 5 to 1000 using a single external resistor.
- Rail-to-Rail Output Swing: Ensures maximum dynamic range even at low supply voltages.
- Wide Input Common-Mode Range: Can amplify signals with a common-mode voltage up to 150 mV below ground.
- Low Power Consumption: 1.5 mW at 3 V, making it suitable for battery-powered applications.
- High CMRR and Low Noise: Provides high common-mode rejection ratio and low voltage noise.
- Compact Packages: Available in 8-lead MSOP and SOIC packages.
Applications
- Battery-Powered Devices: Ideal due to its low power consumption and wide supply voltage range.
- Medical Devices: Suitable for medical instrumentation due to its high CMRR and low noise.
- Industrial Automation: Used in various industrial applications requiring precise signal amplification.
- Aerospace and Defense: Its reliability and performance make it a candidate for aerospace and defense applications.
Q & A
- What is the supply voltage range for the AD8223BRMZ-R7?
The AD8223BRMZ-R7 can operate from a single supply voltage of 3 V to 24 V or a dual supply voltage from ±2 V to ±12 V.
- How is the gain set for the AD8223BRMZ-R7?
The gain can be set using a single external resistor, with a default gain of 5 when no resistor is used.
- What is the input bias current of the AD8223BRMZ-R7?
The input bias current is 25 nA maximum.
- What is the common-mode rejection ratio (CMRR) of the AD8223BRMZ-R7?
The CMRR ranges from 80 dB to 96 dB depending on the gain setting.
- What is the typical voltage noise of the AD8223BRMZ-R7 at 1 kHz?
The typical voltage noise at 1 kHz is 30 nV/√Hz to 50 nV/√Hz depending on the gain.
- What is the operating temperature range of the AD8223BRMZ-R7?
The operating temperature range is -40°C to +85°C.
- What are the available packages for the AD8223BRMZ-R7?
The AD8223BRMZ-R7 is available in 8-lead MSOP and SOIC packages.
- What are some typical applications of the AD8223BRMZ-R7?
Typical applications include battery-powered devices, medical devices, industrial automation, and aerospace and defense.
- How does the AD8223BRMZ-R7 handle low supply voltages?
The rail-to-rail output stage of the AD8223BRMZ-R7 maximizes the dynamic range even at low supply voltages, making it suitable for battery-powered applications.
- What is the slew rate of the AD8223BRMZ-R7?
The slew rate is 0.3 V/μs.
- What is the settling time to 0.01% for the AD8223BRMZ-R7?
The settling time to 0.01% ranges from 30 μs to 150 μs depending on the gain setting.
