Overview
The AD8572ARUZ from Analog Devices Inc. is a zero-drift, single-supply, rail-to-rail input/output operational amplifier. This dual-channel op-amp is designed for high accuracy and low cost, making it suitable for a variety of precision applications. It features a unique architecture that combines a main amplifier with a secondary amplifier to correct offset voltage, ensuring minimal temperature drift and high dc precision. The AD8572ARUZ operates from a single supply voltage as low as 2.7V and up to 5.5V, making it versatile for different system requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Package Type | 8-TSSOP | |
| Operating Supply Voltage | 2.7V to 5.5V | V |
| Input Bias Current | 10 pA to 300 pA | pA |
| Offset Voltage | 1 μV to 10 μV | μV |
| Common-Mode Rejection Ratio (CMRR) | 115 dB to 140 dB | dB |
| Large Signal Voltage Gain | 110 dB to 145 dB | dB |
| Output Voltage High | 2.67 V to 4.99 V | V |
| Temperature Range | -40°C to +125°C | °C |
| Bandwidth | 1.5 MHz | MHz |
Key Features
- Zero-Drift Architecture: Combines a main amplifier with a secondary amplifier to correct offset voltage, ensuring high dc precision and minimal temperature drift.
- Rail-to-Rail Input/Output: Allows the input common-mode voltage range to reach both supply rails, enhancing flexibility in circuit design.
- Low Offset Voltage: As low as 1 μV, making it ideal for precision applications.
- High CMRR: Up to 140 dB, ensuring effective rejection of common-mode signals and noise.
- Single-Supply Operation: Can operate from a single supply voltage as low as 2.7V and up to 5.5V.
- Low Noise Performance: Voltage noise density of 51 nV/√Hz and current noise density of 2 fA/√Hz.
Applications
- Precision Measurement Instruments: Ideal for applications requiring high dc precision and low distortion for ac signals.
- Automotive Systems: Suitable for various automotive applications due to its wide temperature range and high reliability.
- Medical Devices: Used in medical equipment where precise signal amplification is critical.
- Industrial Control Systems: Applicable in industrial control systems that require accurate and stable signal amplification.
Q & A
- What is the package type of the AD8572ARUZ?
The AD8572ARUZ is packaged in an 8-TSSOP (Thin Shrink Small Outline Package).
- What is the operating supply voltage range of the AD8572ARUZ?
The AD8572ARUZ operates from a single supply voltage as low as 2.7V and up to 5.5V.
- What is the offset voltage of the AD8572ARUZ?
The offset voltage of the AD8572ARUZ is as low as 1 μV.
- What is the common-mode rejection ratio (CMRR) of the AD8572ARUZ?
The CMRR of the AD8572ARUZ is up to 140 dB.
- What is the bandwidth of the AD8572ARUZ?
The bandwidth of the AD8572ARUZ is 1.5 MHz.
- What is the temperature range of the AD8572ARUZ?
The AD8572ARUZ operates over a temperature range of -40°C to +125°C.
- Is the AD8572ARUZ suitable for automotive applications?
Yes, the AD8572ARUZ is suitable for automotive applications due to its wide temperature range and high reliability.
- What are the key features of the AD8572ARUZ's architecture?
The AD8572ARUZ features a zero-drift architecture with a main amplifier and a secondary amplifier to correct offset voltage, ensuring high dc precision and minimal temperature drift.
- Does the AD8572ARUZ require external capacitors?
No, the AD8572ARUZ does not require external capacitors.
- What are some typical applications of the AD8572ARUZ?
The AD8572ARUZ is typically used in precision measurement instruments, automotive systems, medical devices, and industrial control systems.
