Overview
The AD8574ARUZ-REEL, produced by Analog Devices Inc., is a quad operational amplifier that features exceptional precision and stability. This device is part of the AD8571/AD8572/AD8574 family, known for their ultralow offset, drift, and bias current. The AD8574ARUZ-REEL is a zero-drift amplifier, utilizing a spread-spectrum, auto-zero technique to eliminate intermodulation effects and provide high accuracy at a low cost. It operates from a single supply voltage ranging from 2.7 V to 5.5 V and is available in a 14-TSSOP package, making it suitable for a variety of precision applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage | 2.7 V to 5.5 V | |
| Input Offset Voltage | 1 µV | |
| Input Bias Current | 10 pA (typical) | |
| Common Mode Rejection Ratio (CMRR) | 140 dB | VCM = 0 V to 5 V |
| Gain Bandwidth Product (GBP) | 1.5 MHz | |
| Slew Rate | 0.4 V/µs | RL = 10 kΩ |
| Output Voltage High (VOH) | 4.95 V to 4.98 V | RL = 10 kΩ to GND |
| Output Voltage Low (VOL) | 10 mV to 30 mV | RL = 10 kΩ to V+ |
| Output Current per Channel | ±30 mA | |
| Supply Current per Amplifier | 850 µA | VO = 0 V |
| Operating Temperature | -40°C to +125°C | |
| Package | 14-TSSOP |
Key Features
- Zero-Drift Amplifier: Utilizes a spread-spectrum, auto-zero technique to eliminate intermodulation effects and provide high accuracy.
- Rail-to-Rail Input and Output Swings: Ensures maximum signal range and flexibility.
- Low Input Bias Current: 10 pA typical, making it suitable for high-precision applications.
- High Common Mode Rejection Ratio (CMRR): 140 dB, enhancing noise rejection and signal integrity.
- Low Supply Current: 850 µA per amplifier, contributing to power efficiency.
- No External Capacitors Required: Simplifies circuit design and reduces component count.
- Lead-Free and RoHS Compliant: Meets environmental and regulatory standards.
Applications
- Temperature Sensors: Precise temperature measurement and amplification.
- Pressure Sensors: High-accuracy pressure sensing and signal conditioning.
- Precision Current Sensing: Accurate current measurement in various applications.
- Strain Gage Amplifiers: Reliable amplification for strain gage sensors.
- Medical Instrumentation: Used in medical devices requiring high precision and stability.
- Thermocouple Amplifiers: Precise amplification of thermocouple signals.
Q & A
- What is the supply voltage range for the AD8574ARUZ-REEL?
The supply voltage range is from 2.7 V to 5.5 V.
- What is the typical input bias current of the AD8574ARUZ-REEL?
The typical input bias current is 10 pA.
- What is the common mode rejection ratio (CMRR) of the AD8574ARUZ-REEL?
The CMRR is 140 dB.
- What is the gain bandwidth product (GBP) of the AD8574ARUZ-REEL?
The GBP is 1.5 MHz.
- What is the slew rate of the AD8574ARUZ-REEL?
The slew rate is 0.4 V/µs.
- What is the output current per channel of the AD8574ARUZ-REEL?
The output current per channel is ±30 mA.
- What is the operating temperature range of the AD8574ARUZ-REEL?
The operating temperature range is -40°C to +125°C.
- What package type is the AD8574ARUZ-REEL available in?
The AD8574ARUZ-REEL is available in a 14-TSSOP package.
- Is the AD8574ARUZ-REEL lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What are some typical applications of the AD8574ARUZ-REEL?
Typical applications include temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
