Overview
The AD8667ARZ-REEL is a dual-channel, rail-to-rail output operational amplifier manufactured by Analog Devices Inc. This device utilizes the patented DigiTrim® trimming technique to achieve low offset voltage, making it highly suitable for a wide range of applications. The AD8667 is characterized by its low input bias current, low noise, and wide supply range, which are typically associated with higher-priced JFET amplifiers. It operates over an extended industrial temperature range of -40°C to 125°C and is available in an 8-lead SOIC-N package.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 175 μV (max) @ VSY = 5V | |
| Supply Current per Amplifier | 275 μA (max) | |
| Single-Supply Operation | 5V to 16V | |
| Voltage Noise Density | 23 nV/√Hz (typ) @ f = 1kHz | |
| Slew Rate | 0.26 V/μs (typ) @ RL = 2kΩ | |
| Gain Bandwidth | 520 kHz @ CL = 20pF | |
| Offset Voltage Drift | 1.5 μV/°C (typ) @ -40°C < TA < 125°C | |
| Operating Temperature Range | -40°C to 125°C | |
| Package Style | 8-lead SOIC-N |
Key Features
- Rail-to-rail output using patented DigiTrim® trimming technique for low offset voltage.
- Very low input bias current and low noise, making it suitable for high impedance sensors like photodiodes.
- Wide supply range from 5V to 16V, supporting single-supply operation.
- Unity-gain stable and low power consumption with a supply current per amplifier of 210 μA (typ) @ VOUT = VSY/2).
- Extended industrial temperature range of -40°C to 125°C).
- CMOS technology for low power and high performance).
Applications
- Sensor front ends and transimpedance amplifiers).
- Electrometer applications and photodiode amplification).
- Low power ADC drivers and medical diagnostic instruments).
- pH and ORP meters and probes, DAC or REF buffers).
- Pressure transducer front ends and other sensor signal conditioning circuits).
- IR thermometers and remote or wireless sensor applications).
Q & A
- What is the AD8667ARZ-REEL's offset voltage?
The AD8667ARZ-REEL has a maximum offset voltage of 175 μV at VSY = 5V).
- What is the supply current per amplifier for the AD8667ARZ-REEL?
The supply current per amplifier is 275 μA (max)).
- What is the operating temperature range of the AD8667ARZ-REEL?
The operating temperature range is -40°C to 125°C).
- What type of package does the AD8667ARZ-REEL come in?
The AD8667ARZ-REEL comes in an 8-lead SOIC-N package).
- What are some common applications of the AD8667ARZ-REEL?
Common applications include sensor front ends, transimpedance amplifiers, electrometer applications, photodiode amplification, and medical diagnostic instruments).
- Does the AD8667ARZ-REEL support single-supply operation?
Yes, it supports single-supply operation from 5V to 16V).
- What is the slew rate of the AD8667ARZ-REEL?
The slew rate is 0.26 V/μs (typ) @ RL = 2kΩ).
- What is the gain bandwidth of the AD8667ARZ-REEL?
The gain bandwidth is 520 kHz @ CL = 20pF).
- Is the AD8667ARZ-REEL suitable for high impedance sensors?
Yes, it is suitable due to its low input bias current, low noise, and low offset voltage).
- What technology does the AD8667ARZ-REEL use?
The AD8667ARZ-REEL uses CMOS technology).
