Overview
The AD8667ARZ-REEL, produced by Analog Devices Inc., is a dual, rail-to-rail output operational amplifier designed for high precision and low noise applications. This amplifier utilizes Analog Devices' patented DigiTrim® trimming technique to achieve low offset voltage and high accuracy. It operates over a wide supply voltage range, from 5 V to 16 V for single-supply and ±2.5 V to ±8 V for dual-supply configurations, making it versatile for various applications. The AD8667 is known for its low power consumption, low input bias current, and high output drive capability, making it suitable for a range of industrial, medical, and portable systems.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Supply Voltage | 5 V to 16 V (Single-Supply), ±2.5 V to ±8 V (Dual-Supply) | 18 V |
| Supply Current per Amplifier | 180 μA (typical), 275 μA (maximum) at -40°C to +125°C | 325 μA |
| Offset Voltage | 100 μV (typical) | 300 μV |
| Voltage Noise Density | 21 nV/√Hz at 10 kHz, 23 nV/√Hz at 1 kHz | |
| Input Bias Current | 300 fA | |
| Slew Rate | 0.2 V/μs | |
| Gain Bandwidth Product | 600 kHz | |
| Phase Margin | 60 Degrees | |
| Output Drive | 10 mA | |
| Short-Circuit Current | ±6 mA |
Key Features
- Low offset voltage: Achieved through Analog Devices' patented DigiTrim® trimming technique.
- Low power consumption: Typical supply current of 180 μA per amplifier.
- Low noise: Voltage noise density of 21 nV/√Hz at 10 kHz and 23 nV/√Hz at 1 kHz.
- Low input bias current: 300 fA.
- Rail-to-rail output capability.
- Unity gain stable.
- High output drive capability: Up to 10 mA.
- Extended operating temperature range: -40°C to +125°C.
- Available in 8-lead SOIC and 8-lead MSOP packages.
Applications
- Medical equipment and physiological measurement.
- Precision references and buffer/level shifting.
- Portable and battery-operated systems.
- High density power budget systems.
- Multipole filters and sensor applications.
- Photodiode amplification and ADC drivers.
Q & A
- What is the typical supply current of the AD8667? The typical supply current is 180 μA per amplifier.
- What is the offset voltage of the AD8667? The offset voltage is typically 100 μV.
- What is the voltage noise density of the AD8667? The voltage noise density is 21 nV/√Hz at 10 kHz and 23 nV/√Hz at 1 kHz.
- What are the package options for the AD8667? The AD8667 is available in 8-lead SOIC and 8-lead MSOP packages.
- What is the operating temperature range of the AD8667? The operating temperature range is -40°C to +125°C.
- Is the AD8667 RoHS compliant? Yes, the AD8667 is RoHS compliant.
- What is the slew rate of the AD8667? The slew rate is 0.2 V/μs.
- What is the gain bandwidth product of the AD8667? The gain bandwidth product is 600 kHz.
- What are some common applications of the AD8667? Common applications include medical equipment, precision references, portable systems, and sensor applications.
- What is the maximum output drive current of the AD8667? The maximum output drive current is 10 mA.
