Overview
The AD8293G80BRJZ-R7 is a low-cost, zero-drift instrumentation amplifier produced by Analog Devices Inc. This component is designed to provide high accuracy and stability in various measurement and control applications. It features an integrated filter and fixed gain, making it suitable for a range of electronic systems. The amplifier operates on a single supply voltage ranging from 1.8V to 5.5V and is packaged in an 8-pin SOT-23 package, which is convenient for surface mount applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | Instrumentation Amplifier | |
| Package / Case | SOT-23-8 | |
| Output Type | Rail-to-Rail | |
| -3db Bandwidth | 500 Hz | |
| Input Bias Current | 400 pA | |
| Input Offset Voltage | 20 μV (max) | |
| Supply Voltage Range | 1.8 V to 5.5 V | |
| Supply Current | 1.0 mA to 1.3 mA | |
| Output Current per Channel | ±35 mA | |
| Operating Temperature Range | -40°C to +85°C | |
| Common Mode Rejection Ratio (CMRR) | 140 dB (typical) | |
| Power Supply Rejection Ratio (PSRR) | 94 dB to 120 dB |
Key Features
- Low offset voltage: 20 μV maximum
- Low offset drift: 0.3 μV/°C maximum
- Low gain drift: 25 ppm/°C maximum
- High CMRR: 140 dB typical
- Low noise: 0.7 μV p-p from 0.01 Hz to 10 Hz
- Single-supply operation: 1.8 V to 5.5 V
- Rail-to-rail output
- Integrated filter and fixed gain
- Compact SOT-23-8 package
Applications
- Current sensing
- Strain gauges
- Laser diode control loops
- Portable medical instruments
- Thermocouple amplifiers
Q & A
- What is the AD8293G80BRJZ-R7 used for?
The AD8293G80BRJZ-R7 is used in various applications requiring precise measurement and amplification, such as current sensing, strain gauges, laser diode control loops, portable medical instruments, and thermocouple amplifiers.
- What is the package type of the AD8293G80BRJZ-R7?
The AD8293G80BRJZ-R7 is packaged in an 8-pin SOT-23 package.
- What is the operating temperature range of the AD8293G80BRJZ-R7?
The operating temperature range is -40°C to +85°C.
- What is the supply voltage range for the AD8293G80BRJZ-R7?
The supply voltage range is 1.8 V to 5.5 V.
- What is the common mode rejection ratio (CMRR) of the AD8293G80BRJZ-R7?
The CMRR is 140 dB typical.
- Does the AD8293G80BRJZ-R7 have an integrated filter?
Yes, the AD8293G80BRJZ-R7 includes an integrated filter and fixed gain.
- What is the maximum output current per channel of the AD8293G80BRJZ-R7?
The maximum output current per channel is ±35 mA.
- Is the AD8293G80BRJZ-R7 suitable for rail-to-rail output applications?
Yes, the AD8293G80BRJZ-R7 has a rail-to-rail output.
- What is the power supply rejection ratio (PSRR) of the AD8293G80BRJZ-R7?
The PSRR is 94 dB to 120 dB.
- Is the AD8293G80BRJZ-R7 RoHS compliant?
Yes, the AD8293G80BRJZ-R7 is RoHS compliant.
