Overview
The AD8667ARMZ-R2, 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 is suitable for a wide range of applications, including precision instrumentation, medical devices, and industrial control systems.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VCM = VS/2, TA = 25°C | 100 | 300 | 450 | μV |
| Input Bias Current | IB | - | - | 0.3 | 1 pA | |
| Supply Voltage | VS | - | 5 | 16 | V | |
| Supply Current per Amplifier | ISY | VOUT = VS/2 | 180 | 285 | 325 | μA |
| Slew Rate | SR | RL = 2 kΩ | - | 0.2 | - | V/μs |
| Gain Bandwidth Product | GBP | CL = 20 pF | - | 600 | - | kHz |
| Voltage Noise Density | en | f = 1 kHz | - | 23 | - | nV/√Hz |
| Phase Margin | ΦM | CL = 20 pF | - | 60 | - | Degrees |
Key Features
- Low offset voltage: 100 μV typical, ensuring high precision in applications.
- Low supply current: 285 μA typical per amplifier, making it power-efficient.
- Rail-to-rail output capability, allowing for full output voltage swing.
- Single-supply operation: 5 V to 16 V, and dual-supply operation, providing flexibility in design.
- Low noise: 23 nV/√Hz at 1 kHz, suitable for noise-sensitive applications.
- Low input bias current: 0.3 pA, minimizing input signal distortion.
- Unity-gain stable, with a phase margin of 60 degrees.
- Extended industrial temperature range: −40°C to +125°C.
Applications
- Precision instrumentation: Suitable for applications requiring high accuracy and low noise.
- Medical devices: Ideal for medical equipment where precision and reliability are critical.
- Industrial control systems: Used in control circuits that require stable and accurate signal processing.
- Remote or wireless applications: Due to its low power consumption and robust performance.
Q & A
- What is the typical offset voltage of the AD8667?
The typical offset voltage of the AD8667 is 100 μV.
- What is the supply current per amplifier for the AD8667?
The supply current per amplifier is typically 285 μA.
- What is the voltage noise density of the AD8667 at 1 kHz?
The voltage noise density at 1 kHz is 23 nV/√Hz.
- What is the slew rate of the AD8667?
The slew rate of the AD8667 is 0.2 V/μs.
- What is the gain bandwidth product of the AD8667?
The gain bandwidth product is 600 kHz.
- What is the phase margin of the AD8667?
The phase margin is 60 degrees.
- What is the operating temperature range of the AD8667?
The operating temperature range is −40°C to +125°C.
- What are the typical applications of the AD8667?
The AD8667 is typically used in precision instrumentation, medical devices, industrial control systems, and remote or wireless applications.
- What is the package type for the AD8667ARMZ-R2?
The AD8667ARMZ-R2 is available in an 8-lead Mini Small Outline Package (MSOP).
- Is the AD8667 RoHS compliant?
