Overview
The ADA4522-4ARZ-R7 is a quad-channel operational amplifier produced by Analog Devices Inc. This device is part of the ADA4522 series, known for its zero-drift, ultralow noise, and rail-to-rail output characteristics. It is designed to provide high accuracy and stability over a wide range of voltage and temperature conditions, making it suitable for various precision applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 14-lead SOIC |
| Number of Channels | 4 Channels |
| Gain Bandwidth Product (GBP) | 2.7 MHz |
| Slew Rate | 1.8 V/μs (positive), 0.9 V/μs (negative) |
| Operating Voltage Range | 4.5 V to 55 V (single supply), ±2.25 V to ±27.5 V (dual supply) |
| Input Bias Current | 50 pA typical |
| Output Voltage Range | Rail-to-rail output |
| Temperature Range | −40°C to +125°C |
| Power Supply Rejection Ratio (PSRR) | 150 dB typical |
| Supply Current per Amplifier | 830 μA to 950 μA |
Key Features
- Zero-drift architecture for high accuracy over time, temperature, and voltage conditions.
- Ultralow noise and low power consumption.
- Rail-to-rail output and ground sensing inputs.
- Integrated EMI filters for high immunity to electromagnetic interference.
- Wide operating voltage range: 4.5 V to 55 V (single supply) and ±2.25 V to ±27.5 V (dual supply).
- High open-loop gain and very low DC and AC errors.
- Unity-gain stable with a unity-gain crossover frequency of 3 MHz.
Applications
- Inductance, capacitance, and resistance (LCR) meter/megohmmeter front-end amplifiers.
- Load cell and bridge transducers.
- Magnetic force balance scales.
- High precision shunt current sensing.
- Thermocouple/resistance temperature detector (RTD) sensors.
- Programmable logic controller (PLC) input and output amplifiers.
Q & A
- What is the ADA4522-4ARZ-R7 used for?
The ADA4522-4ARZ-R7 is a quad-channel operational amplifier used in various precision applications requiring high accuracy and stability over a wide range of voltage and temperature conditions.
- What is the package type of the ADA4522-4ARZ-R7?
The ADA4522-4ARZ-R7 comes in a 14-lead SOIC package.
- What is the gain bandwidth product (GBP) of the ADA4522-4ARZ-R7?
The gain bandwidth product (GBP) is 2.7 MHz.
- What is the operating voltage range of the ADA4522-4ARZ-R7?
The operating voltage range is 4.5 V to 55 V for single supply and ±2.25 V to ±27.5 V for dual supply.
- What is the input bias current of the ADA4522-4ARZ-R7?
The input bias current is 50 pA typical.
- Does the ADA4522-4ARZ-R7 have EMI protection?
Yes, it includes integrated EMI filters for high immunity to electromagnetic interference.
- What are some common applications of the ADA4522-4ARZ-R7?
Common applications include LCR meter/megohmmeter front-end amplifiers, load cell and bridge transducers, magnetic force balance scales, high precision shunt current sensing, thermocouple/RTD sensors, and PLC input and output amplifiers.
- What is the temperature range of the ADA4522-4ARZ-R7?
The device operates over the temperature range of −40°C to +125°C.
- What is the power supply rejection ratio (PSRR) of the ADA4522-4ARZ-R7?
The PSRR is 150 dB typical.
- How much current does the ADA4522-4ARZ-R7 consume per amplifier?
The supply current per amplifier is between 830 μA and 950 μA.
