Overview
The AD8627ARZ-REEL, produced by Analog Devices Inc., is a precision JFET input operational amplifier designed for low power consumption and high performance. This single-supply amplifier is known for its rail-to-rail output and is available in an 8-lead SOIC package. It is particularly suited for applications requiring low noise, low offset voltage, and high accuracy.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | –40°C < TA < +85°C | 0.05 | 0.5 | 1.2 | mV |
| Input Bias Current | IB | –40°C < TA < +85°C | 0.25 | 1 | 60 | pA |
| Input Offset Current | IOS | –40°C < TA < +85°C | 0.5 | 25 | pA | |
| Input Voltage Range | 0 | 3 | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 2.5 V | 66 | 87 | dB | |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, VO = 0.5 V to 4.5 V | 100 | 230 | V/mV | |
| Offset Voltage Drift | ∆VOS/∆T | –40°C < TA < +85°C | 2.5 | µV/°C | ||
| Output Voltage High | VOH | IL = 2 mA, –40°C < TA < +85°C | 4.92 | 4.90 | V | |
| Output Voltage Low | VOL | IL = 2 mA, –40°C < TA < +85°C | 0.075 | 0.08 | V | |
| Output Current | IOUT | ±10 | mA | |||
| Power-Supply Rejection Ratio | PSRR | VS = 5 V to 26 V | 80 | 104 | dB | |
| Supply Current/Amplifier | ISY | –40°C < TA < +85°C | 630 | 785 | 800 | µA |
| Slew Rate | SR | 5 | V/µs | |||
| Gain Bandwidth Product | GBP | 5 | MHz | |||
| Phase Margin | ØM | 60 | Degrees | |||
| Voltage Noise Density | en | f = 1 kHz | 17.5 | nV/√Hz | ||
| Current Noise Density | in | f = 1 kHz | 0.4 | fA/√Hz |
Key Features
- Low Power Consumption: The AD8627 is designed to operate with low power, making it suitable for battery-powered devices and other low-power applications.
- Rail-to-Rail Output: The amplifier provides rail-to-rail output, ensuring that the output voltage can swing from the negative to the positive supply rail.
- Low Noise: It features low voltage noise density, making it ideal for applications requiring high signal integrity.
- Low Input Bias Current: The amplifier has a very low input bias current, which is beneficial for high-impedance source applications.
- High Accuracy: The AD8627 offers low offset voltage and low offset voltage drift, ensuring high accuracy in various operating conditions.
- Wide Operating Temperature Range: The device operates over a temperature range of –40°C to +85°C, making it suitable for a variety of environmental conditions.
Applications
- Medical Devices: The low noise and high accuracy of the AD8627 make it suitable for medical devices such as ECG and EEG equipment.
- Industrial Automation: It can be used in industrial automation systems where precision and reliability are crucial.
- Aerospace and Defense: The device's robust performance over a wide temperature range makes it a good fit for aerospace and defense applications.
- Automotive Systems: The AD8627 is used in automotive systems that require high reliability and precision, such as in sensor interfaces and control systems.
- Test and Measurement Equipment: Its low noise and high accuracy make it ideal for use in test and measurement equipment.
Q & A
- What is the typical offset voltage of the AD8627?
The typical offset voltage of the AD8627 is 0.5 mV.
- What is the input bias current of the AD8627?
The input bias current is typically 1 pA.
- What is the common-mode rejection ratio (CMRR) of the AD8627?
The CMRR is typically 87 dB.
- What is the slew rate of the AD8627?
The slew rate is 5 V/µs.
- What is the gain bandwidth product (GBP) of the AD8627?
The GBP is 5 MHz.
- What are the package options for the AD8627?
The AD8627 is available in 5-lead SC70 and 8-lead SOIC surface-mount packages.
- What is the operating temperature range of the AD8627?
The operating temperature range is –40°C to +85°C.
- Is the AD8627 suitable for automotive applications?
Yes, the AD8627 is suitable for automotive applications due to its high reliability and precision.
- What is the typical supply current of the AD8627?
The typical supply current is 785 µA.
- Does the AD8627 have rail-to-rail output capability?
Yes, the AD8627 has rail-to-rail output capability.
