Overview
The AD8572ARUZ-REEL is a zero-drift, single-supply, rail-to-rail input/output operational amplifier produced by Analog Devices Inc. This dual op-amp is part of the AD8571, AD8572, and AD8574 family, which are known for their ultralow offset, drift, and bias current. The AD8572 is particularly suited for applications requiring high precision and stability over a wide temperature range.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage Drift | 0.005 to 0.04 μV/°C | −40°C to +125°C |
| Input Bias Current | 10 to 150 pA | −40°C to +125°C |
| Common-Mode Rejection Ratio (CMRR) | 115 to 130 dB | VCM = 0 V to 5 V, −40°C to +125°C |
| Power Supply Rejection Ratio (PSRR) | 115 to 130 dB | VS = 2.7 V to 5.5 V, −40°C to +125°C |
| Supply Current per Amplifier | 750 to 1000 μA | VO = 0 V, −40°C to +125°C |
| Slew Rate | 0.4 V/μs | RL = 10 kΩ |
| Gain Bandwidth Product (GBP) | 1.5 MHz | |
| Output Voltage High (VOH) | 4.95 to 4.98 V | RL = 10 kΩ to GND, −40°C to +125°C |
| Output Voltage Low (VOL) | 10 to 30 mV | RL = 10 kΩ to V+, −40°C to +125°C |
| Short-Circuit Limit (ISC) | ±25 to ±50 mA | −40°C to +125°C |
| Operating Temperature Range | −40°C to +125°C | |
| Package Type | 8-TSSOP |
Key Features
- Zero-Drift Technology: Offers ultralow offset voltage and drift, making it ideal for precision applications.
- Rail-to-Rail Input/Output: Allows the amplifier to operate with input and output signals that range from the negative to the positive supply rail.
- Low Input Bias Current: Ensures minimal current draw from the input signal, preserving signal integrity.
- High CMRR and PSRR: Provides excellent rejection of common-mode and power supply noise.
- Wide Operating Temperature Range: Operates reliably from −40°C to +125°C.
- Compact 8-TSSOP Package: Suitable for space-constrained designs.
Applications
- Precision Instrumentation: Ideal for applications requiring high accuracy and stability, such as medical devices and test equipment.
- Industrial Automation: Used in control systems, sensors, and data acquisition systems where precision and reliability are crucial.
- Aerospace and Defense: Suitable for applications requiring operation over a wide temperature range and high reliability.
- Automotive Systems: Used in various automotive applications where robustness and precision are necessary.
Q & A
- What is the primary advantage of the AD8572ARUZ-REEL?
The primary advantage is its zero-drift technology, which provides ultralow offset voltage and drift, making it highly suitable for precision applications.
- What is the operating temperature range of the AD8572ARUZ-REEL?
The operating temperature range is from −40°C to +125°C.
- What is the typical supply current per amplifier for the AD8572ARUZ-REEL?
The typical supply current per amplifier is between 750 to 1000 μA.
- What is the gain bandwidth product (GBP) of the AD8572ARUZ-REEL?
The gain bandwidth product (GBP) is 1.5 MHz.
- What package type is the AD8572ARUZ-REEL available in?
The AD8572ARUZ-REEL is available in an 8-TSSOP package.
- What are some common applications for the AD8572ARUZ-REEL?
Common applications include precision instrumentation, industrial automation, aerospace and defense, and automotive systems.
- What is the slew rate of the AD8572ARUZ-REEL?
The slew rate is 0.4 V/μs.
- What is the common-mode rejection ratio (CMRR) of the AD8572ARUZ-REEL?
The CMRR is between 115 to 130 dB.
- What is the power supply rejection ratio (PSRR) of the AD8572ARUZ-REEL?
The PSRR is between 115 to 130 dB.
- What is the short-circuit limit (ISC) of the AD8572ARUZ-REEL?
The short-circuit limit is ±25 to ±50 mA.
