Description
The ADA4528-2ARMZ is a dual zero-drift amplifier from Analog Devices, designed for precision instrumentation and signal conditioning applications. It features extremely low offset voltage (2.5 μV max) and drift (0.015 μV/°C max), making it suitable for high-precision measurements. The device also boasts low noise performance, with a noise density of 5.6 nV/√Hz at 1 kHz and a peak-to-peak noise of 97 nV at 0.1 Hz to 10 Hz.
The ADA4528-2ARMZ is commonly used in precision instrumentation, data acquisition systems, medical equipment, industrial control systems, test and measurement equipment, and automotive applications that require accurate signal conditioning and amplification. Its high open-loop gain (130 dB min), high common-mode rejection ratio (135 dB min), and high power supply rejection ratio (130 dB min) make it an excellent choice for applications where precision and accuracy are critical.
Features
The ADA4528-2ARMZ features include:
- Low offset voltage: 2.5 µV maximum
- Low offset voltage drift: 0.015 μV/°C maximum
- Low noise:
- + 5.6 nV/√Hz at f = 1 kHz, AV = +100
- + 97 nV p-p at f = 0.1 Hz to 10 Hz, AV = +100
- Open-loop gain: 130 dB minimum
- CMRR: 135 dB minimum
- PSRR: 130 dB minimum
- Unity-gain crossover: 4 MHz
- Gain bandwidth product: 3 MHz at AV = +100
- −3 dB closed-loop bandwidth: 6.2 MHz
These features make it suitable for precision instrumentation, data acquisition systems, medical equipment, industrial control systems, test and measurement equipment, and automotive applications that require accurate signal conditioning and amplification.
Package
The package type of ADA4528-2ARMZ is MSOP-8 (8-Pin MSOP Tube).
Pinout
The ADA4528-2ARMZ has an 8-pin MSOP package. The pin functions are:
- VCC: Positive supply voltage
- GND: Ground
- IN+: Non-inverting input
- IN-: Inverting input
- OUT: Amplified output
- RFB: Feedback input
- RIN+: Input bias current for non-inverting input
- RIN-: Input bias current for inverting input
This zero-drift amplifier is designed to provide high precision and low noise amplification, making it suitable for a variety of applications including precision instrumentation, data acquisition systems, and medical equipment.
Manufacturer
The manufacturer of the ADA4528-2ARMZ is Analog Devices (AD). Analog Devices is a leading global semiconductor company that designs, manufactures, and markets high-performance semiconductors for use in various applications such as industrial control systems, test and measurement equipment, medical devices, and more.
Applications
According to the product information, the ADA4528-2ARMZ is commonly used in:
- Precision instrumentation
- Data acquisition systems
- Medical equipment (due to its low offset voltage, low noise, and high precision)
- Industrial control systems
- Test and measurement equipment
- Automotive applications that require accurate signal conditioning and amplification
Equivalent
The equivalent products of ADA4528-2ARMZ are:
- Texas Instruments (TI) OP07 series
- Linear Technology (now part of Analog Devices) LTC624 series
- National Semiconductor (now part of Texas Instruments) LM833 series
These amplifiers offer similar performance characteristics, such as low offset voltage and drift, high precision, and low noise.
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