Overview
The ADR4533ARZ, produced by Analog Devices Inc., is an ultra-low-noise, high-accuracy 3.3V voltage reference. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its high precision, low power consumption, and excellent temperature stability. The ADR4533ARZ features an innovative core topology that ensures high accuracy and industry-leading noise performance, making it suitable for a wide range of applications requiring precise voltage referencing.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | VIN = 3.4 V to 15 V, IL = 0 mA, TA = 25°C | 3.300 | V | ||
| Initial Output Voltage Error | VOUT_ERR | B Grade | ±0.02 % (660 µV) | % (µV) | ||
| Temperature Coefficient | TCVOUT | B Grade −40°C to +125°C | 2 ppm/°C | ppm/°C | ||
| Maximum Operating Current | IOUT | 950 µA | µA | |||
| Low Dropout Voltage | VDO | 300 mV | mV | |||
| Operating Temperature Range | TA | −40°C | +125°C | °C | ||
| Package Type | 8-Lead SOIC |
Key Features
- Ultra-low noise with 0.4 µV of output noise, making it ideal for high-precision applications.
- High accuracy with ±0.02% maximum initial error for B, C, and D grades.
- Excellent temperature stability with a temperature coefficient of 2 ppm/°C for B grade.
- Low, thermally induced output voltage hysteresis and low long-term output voltage drift.
- Maximum operating current of 950 µA and a maximum low dropout voltage of 300 mV.
- Fast startup time and ultra-low dropout voltage.
- Input range up to 32V for low-power designs.
Applications
- High-precision measurement and control systems.
- Automotive components requiring stable voltage references.
- Sensor applications where low noise and high accuracy are crucial.
- Motor control systems that demand precise voltage referencing.
- Portable equipment and battery-powered devices due to its low power consumption.
Q & A
- What is the output voltage of the ADR4533ARZ?
The output voltage of the ADR4533ARZ is 3.3V.
- What is the maximum initial error for the B grade of the ADR4533ARZ?
The maximum initial error for the B grade is ±0.02%.
- What is the temperature coefficient of the ADR4533ARZ for the B grade?
The temperature coefficient for the B grade is 2 ppm/°C.
- What is the maximum operating current of the ADR4533ARZ?
The maximum operating current is 950 µA.
- What is the low dropout voltage of the ADR4533ARZ?
The low dropout voltage is 300 mV.
- What is the operating temperature range of the ADR4533ARZ?
The operating temperature range is −40°C to +125°C.
- In what package type is the ADR4533ARZ available?
The ADR4533ARZ is available in an 8-Lead SOIC package.
- What are some typical applications of the ADR4533ARZ?
Typical applications include high-precision measurement and control systems, automotive components, sensor applications, motor control systems, and portable equipment.
- How does the ADR4533ARZ perform in terms of noise?
The ADR4533ARZ features ultra-low noise with 0.4 µV of output noise.
- What is the input range for the ADR4533ARZ?
The input range is up to 32V for low-power designs.
