Overview
The AD627BR-REEL, produced by Analog Devices Inc., is an integrated, micropower instrumentation amplifier. It is designed to deliver rail-to-rail output swing on both single and dual supply configurations, ranging from +2.2 V to ±18 V. This amplifier is notable for its low power consumption, operating at a maximum of 85 μA, making it suitable for a wide range of applications including battery-powered devices and industrial systems. The AD627BR-REEL offers superior flexibility with the ability to set the gain using a single external resistor, allowing gains from 5 to 1000. Its high accuracy DC performance, low voltage offset, and minimal gain drift ensure reliable and accurate operation in various environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain Range | 5 | - | 1000 | V/V |
| Gain Error (G = +5) | 0.01 | 0.10 | 0.06 | % |
| Input Offset Voltage | 25 | - | 150 | µV |
| Input Bias Current | - | 2 | - | nA |
| -3 dB Bandwidth (G = +5) | - | 80 | - | kHz |
| Slew Rate | - | 0.06 | - | V/µs |
| Supply Current | 60 | - | 85 | µA |
| Supply Voltage Range | +2.2 | - | ±18 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Output Current per Channel | - | 25 | - | mA |
Key Features
- Micropower operation with a maximum supply current of 85 μA.
- Wide power supply range: +2.2 V to ±18 V.
- Easy gain setting with a single external resistor, allowing gains from 5 to 1000.
- Rail-to-rail output swing for maximum dynamic range.
- High accuracy DC performance with low voltage offset and minimal gain drift.
- Excellent CMRR (Common Mode Rejection Ratio) up to 83 dB at G = +5.
- Low noise: 38 nV/√Hz input voltage noise and 177 nV/√Hz output voltage noise.
- Surface mount type, lead-free, and RoHS compliant.
Applications
- 4 mA to 20 mA loop-powered applications.
- Low power medical instrumentation (ECG, EEG).
- Transducer interfacing.
- Thermocouple amplifiers.
- Industrial process controls.
- Low power data acquisition.
- Portable battery-powered instruments.
Q & A
- What is the maximum supply current of the AD627BR-REEL?
The maximum supply current of the AD627BR-REEL is 85 μA.
- What is the gain range of the AD627BR-REEL?
The gain range of the AD627BR-REEL is from 5 to 1000, settable with a single external resistor.
- What is the input offset voltage of the AD627BR-REEL?
The input offset voltage of the AD627BR-REEL is typically 25 µV to 150 µV.
- What is the -3 dB bandwidth of the AD627BR-REEL at a gain of +5?
The -3 dB bandwidth of the AD627BR-REEL at a gain of +5 is 80 kHz.
- What is the slew rate of the AD627BR-REEL?
The slew rate of the AD627BR-REEL is 0.06 V/µs.
- What is the operating temperature range of the AD627BR-REEL?
The operating temperature range of the AD627BR-REEL is from -40°C to 85°C.
- What are the typical applications of the AD627BR-REEL?
The AD627BR-REEL is typically used in 4 mA to 20 mA loop-powered applications, low power medical instrumentation, transducer interfacing, thermocouple amplifiers, industrial process controls, low power data acquisition, and portable battery-powered instruments.
- Is the AD627BR-REEL RoHS compliant?
Yes, the AD627BR-REEL is lead-free and RoHS compliant.
- What is the CMRR of the AD627BR-REEL at a gain of +5?
The CMRR of the AD627BR-REEL at a gain of +5 is a minimum of 83 dB.
- How does the AD627BR-REEL minimize errors in the system?
The AD627BR-REEL minimizes errors in the system through low voltage offset, offset drift, gain error, and gain drift, ensuring reliable and accurate performance.
