Overview
The AD623BRZ, produced by Analog Devices Inc., is an integrated single- or dual-supply instrumentation amplifier. It is designed to deliver rail-to-rail output swing using supply voltages from 2.7 V to 12 V. This amplifier offers user flexibility through single gain set resistor programming and conforms to the 8-lead industry standard pinout configuration. The AD623BRZ is suitable for a wide range of applications due to its high accuracy, low power consumption, and optimal dynamic specifications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.7 V to 12 V, ±2.5 V to ±6 V |
| Quiescent Current | 550 µA (max) |
| Gain Range | 1 to 1000 |
| Gain Error | 0.10% (G = 1), 0.35% (G > 1) |
| Noise | 35 nV/√Hz RTI noise at 1 kHz |
| Bandwidth | 800 kHz (G = 1) |
| Settling Time | 20 µs to 0.01% (G = 10) |
| Input Voltage Range | Extends 150 mV below ground (single supply) |
| Common-Mode Rejection Ratio (CMRR) | Up to 100 dB |
| Operating Temperature Range | −40°C to +85°C |
| Package Type | 8-Lead SOIC |
Key Features
- Easy to use with single gain set resistor programming
- Rail-to-rail output swing
- Low power consumption with a maximum quiescent current of 550 µA
- High accuracy dc performance with low gain error
- Optimal dynamic specifications including 800 kHz bandwidth and 20 µs settling time
- Wide input common-mode range, amplifying signals with common-mode voltages as low as 150 mV below ground
- Constant CMRR up to 200 Hz, rejecting line noise harmonics
Applications
- Low power medical instrumentation
- Transducer interfaces
- Thermocouple amplifiers
- Industrial process controls
- Difference amplifiers
- Low power data acquisition
Q & A
- What is the supply voltage range for the AD623BRZ?
The supply voltage range for the AD623BRZ is from 2.7 V to 12 V, and ±2.5 V to ±6 V for dual-supply configurations. - How is the gain set for the AD623BRZ?
The gain for the AD623BRZ is set using a single external resistor. Without an external resistor, it defaults to unity gain (G = 1). - What is the maximum quiescent current of the AD623BRZ?
The maximum quiescent current of the AD623BRZ is 550 µA. - What is the bandwidth of the AD623BRZ at a gain of 1?
The bandwidth of the AD623BRZ at a gain of 1 is 800 kHz. - What is the settling time of the AD623BRZ to 0.01% at a gain of 10?
The settling time of the AD623BRZ to 0.01% at a gain of 10 is 20 µs. - What is the input voltage range for the AD623BRZ?
The input voltage range for the AD623BRZ extends 150 mV below ground for single-supply configurations. - What is the common-mode rejection ratio (CMRR) of the AD623BRZ?
The CMRR of the AD623BRZ is up to 100 dB. - What are the typical applications of the AD623BRZ?
The AD623BRZ is typically used in low power medical instrumentation, transducer interfaces, thermocouple amplifiers, industrial process controls, difference amplifiers, and low power data acquisition. - What is the operating temperature range of the AD623BRZ?
The operating temperature range of the AD623BRZ is −40°C to +85°C. - What package type is the AD623BRZ available in?
The AD623BRZ is available in an 8-Lead SOIC package.
