Overview
The AD623BRZ-R7 from Analog Devices is a single- or dual-supply instrumentation amplifier known for its ease of use, high accuracy, and low cost. This device is designed to provide rail-to-rail output swing and operates with supply voltages ranging from 2.7 V to 12 V, or ±2.5 V to ±6 V. The AD623BRZ-R7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package and is RoHS compliant. It is ideal for applications requiring high precision and a compact form factor, making it suitable for a variety of monitored systems, including biomedical signal processing and accelerometer interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Series | AD623 |
| Number of Channels | 1 Channel |
| 3 dB Bandwidth | 800 kHz |
| SR - Slew Rate | 300 mV/us |
| CMRR - Common Mode Rejection Ratio | 105 dB |
| Vos - Input Offset Voltage | 25 uV |
| Supply Voltage - Max | 12 V |
| Supply Voltage - Min | 2.7 V |
| Operating Supply Current | 550 uA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Mounting Style | SMD/SMT |
| Amplifier Type | Instrumentation Amplifier |
| Package | SOIC-8 |
| Dual Supply Voltage | ±2.5 V to ±6 V |
Key Features
- Rail-to-Rail Output Swing: The AD623BRZ-R7 offers rail-to-rail output swing, maximizing the dynamic range when operating from low supply voltages.
- Flexible Gain Setting: The gain can be set with a single external resistor, allowing for gains from 1 to 1000.
- Low Power Consumption: With a maximum quiescent current of 550 μA, it is suitable for battery-powered applications.
- High Accuracy DC Performance: Features a gain error of 0.10% for G = 1 and 0.35% for G > 1.
- Wide Input Common-Mode Range: Can amplify signals with common-mode voltages as low as 150 mV below ground.
- Optimal Dynamic Specifications: Includes an 800 kHz bandwidth and a settling time of 20 μs to 0.01% (G = 10).
- Compact Package: Available in an 8-lead SOIC package, making it ideal for space-constrained projects.
Applications
- Biomedical Signal Processing: Suitable for amplifying low-level signals in medical devices.
- Accelerometer Interfaces: Used in sensor interfaces for accelerometers and other transducers.
- Load Cell Amplifiers: Ideal for strain gauge and load cell applications due to its high accuracy and low noise.
- Battery-Powered Devices: Its low power consumption makes it a good choice for portable and battery-powered systems.
Q & A
- Q: What is the package type of the AD623BRZ-R7?
A: The AD623BRZ-R7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. - Q: What is the supply voltage range for the AD623BRZ-R7?
A: The AD623BRZ-R7 operates with supply voltages ranging from 2.7 V to 12 V, or ±2.5 V to ±6 V. - Q: How is the gain set for the AD623BRZ-R7?
A: The gain can be set with a single external resistor, allowing for gains from 1 to 1000. - Q: What is the maximum operating temperature for the AD623BRZ-R7?
A: The maximum operating temperature is +85°C. - Q: What is the common-mode rejection ratio (CMRR) of the AD623BRZ-R7?
A: The CMRR is 105 dB. - Q: Is the AD623BRZ-R7 RoHS compliant?
A: Yes, the AD623BRZ-R7 is RoHS compliant. - Q: What is the input offset voltage of the AD623BRZ-R7?
A: The input offset voltage is 25 uV. - Q: What are some typical applications of the AD623BRZ-R7?
A: Typical applications include biomedical signal processing, accelerometer interfaces, and load cell amplifiers. - Q: What is the warranty period for the AD623BRZ-R7 from Ovaga?
A: Ovaga offers a 1-year warranty on the AD623BRZ-R7. - Q: How can I ensure the authenticity of the AD623BRZ-R7 from Analog Devices?
A: Ensure you purchase from authorized distributors or suppliers that rigorously test and verify the credentials of original Analog Devices manufacturers and authorized agents.
