Overview
The ADA4522-4ARUZ-RL from Analog Devices Inc. is a quad-channel, zero-drift operational amplifier designed for high accuracy and reliability. This device features low noise and power consumption, ground sensing inputs, and rail-to-rail output, making it ideal for amplifying small input signals and accurately reproducing larger signals across various applications. The ADA4522-4ARUZ-RL operates over a wide voltage range of 4.5V to 55V and is suitable for use with single-ended supplies of 5V, 10V, 12V, and 30V, as well as dual supplies of ±2.5V, ±5V, and ±15V. It is fully specified over the extended industrial temperature range of -40°C to +125°C and is available in a 14-lead TSSOP package.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Channels | 4 | |
| Operating Voltage Range | 4.5V to 55V, ±2.25V to ±27.5V | |
| Temperature Range | -40°C to +125°C | |
| Package Type | 14-lead TSSOP | |
| Offset Voltage | 5 μV maximum | |
| Offset Voltage Drift | 22 nV/°C maximum | |
| Voltage Noise Density | 5.8 nV/√Hz typical | |
| Slew Rate | 1.4V/µs typical at RL = 10Kohm, CL = 50pF, AV = 1, VS = 5V, VCM = 2.5V, TA = 25°C | |
| Common Mode Rejection Ratio (CMRR) | 145dB (VCM = 0 to 3.5V, VSY = 5V, TA = 25°C) | |
| Bandwidth | 2.7MHz |
Key Features
- Zero-drift amplifier with low noise and power consumption
- Ground sensing inputs and rail-to-rail output
- High open-loop gain and very low DC and AC errors
- Exceptional stability and accuracy over time, temperature, and voltage conditions
- Integrated EMI filters for high immunity to electromagnetic interference
- Capable of driving capacitive loads up to 250 pF
- Precision temperature coefficient and sensitive to precise control
- Highly reliable performance guaranteed
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/RTD sensors
- Programmable logic controller input and output amplifiers
- Light intensity sensors
- Pressure transducers
Q & A
- What is the operating voltage range of the ADA4522-4ARUZ-RL?
The ADA4522-4ARUZ-RL operates over a voltage range of 4.5V to 55V and is also suitable for dual supplies of ±2.25V to ±27.5V.
- What is the temperature range for the ADA4522-4ARUZ-RL?
The device is fully specified over the extended industrial temperature range of -40°C to +125°C.
- What is the package type of the ADA4522-4ARUZ-RL?
The ADA4522-4ARUZ-RL is available in a 14-lead TSSOP package.
- What are the key features of the ADA4522-4ARUZ-RL?
The device features zero-drift, low noise and power consumption, ground sensing inputs, rail-to-rail output, and integrated EMI filters.
- What are some common applications for the ADA4522-4ARUZ-RL?
Common applications include LCR meter/megohmmeter front-end amplifiers, load cell and bridge transducers, magnetic force balance scales, high precision shunt current sensing, and thermocouple/RTD sensors.
- What is the slew rate of the ADA4522-4ARUZ-RL?
The slew rate is 1.4V/µs typical at RL = 10Kohm, CL = 50pF, AV = 1, VS = 5V, VCM = 2.5V, TA = 25°C.
- What is the common mode rejection ratio (CMRR) of the ADA4522-4ARUZ-RL?
The CMRR is 145dB (VCM = 0 to 3.5V, VSY = 5V, TA = 25°C).
- Can the ADA4522-4ARUZ-RL drive capacitive loads?
Yes, the device can safely drive capacitive loads up to 250 pF.
- What is the bandwidth of the ADA4522-4ARUZ-RL?
The bandwidth is 2.7MHz.[
- Is the ADA4522-4ARUZ-RL resistant to electromagnetic interference (EMI)?
Yes, the device has integrated EMI filters for high immunity to electromagnetic interference.[
