Overview
The ADR4550ARZ-R7 is a high-precision, ultra-low noise voltage reference manufactured by Analog Devices Inc. This device is designed to provide a stable 5V output voltage with exceptional temperature stability and low output noise, making it suitable for a wide range of applications. The ADR4550ARZ-R7 features an innovative core topology that achieves high accuracy and industry-leading temperature stability and noise performance. It is particularly useful in low-power applications due to its low quiescent current and high precision output voltage.
Key Specifications
| Attribute | Value |
|---|---|
| Output Voltage | 5V ±0.04% |
| Package | SOIC-8 (NSOIC-8) |
| Operating Temperature Range | -40°C to +125°C |
| Input Voltage Range | 3V to 15V |
| Output Current | +10mA source / -10mA sink |
| Quiescent Current | 950μA (maximum) |
| Output Voltage Noise | 2.8μV p-p (0.1Hz to 10.0Hz) |
| Temperature Coefficient | 4ppm/°C (maximum) |
| Dropout Voltage | 300mV at IL = 2mA |
| Ripple Rejection Ratio | 90dB at fIN = 1KHz |
Key Features
- Ultra-low noise output voltage: 2.8μV p-p (0.1Hz to 10.0Hz)
- High precision output voltage: ±0.04% initial error
- Excellent temperature stability: 4ppm/°C maximum temperature coefficient
- Low quiescent current: 950μA (maximum)
- Low dropout voltage: 300mV at IL = 2mA
- High ripple rejection ratio: 90dB at fIN = 1KHz
- Wide operating temperature range: -40°C to +125°C
Applications
- Precision data acquisition systems
- High resolution data converters (DACs, ADCs)
- High precision measurement devices
- Industrial instrumentation
- Medical devices
- Battery-powered systems and portable equipment
Q & A
- What is the output voltage of the ADR4550ARZ-R7? The output voltage is 5V with an initial error of ±0.04%.
- What is the operating temperature range of the ADR4550ARZ-R7? The operating temperature range is -40°C to +125°C.
- What is the quiescent current of the ADR4550ARZ-R7? The maximum quiescent current is 950μA.
- What is the output voltage noise of the ADR4550ARZ-R7? The output voltage noise is 2.8μV p-p over a 0.1Hz to 10.0Hz frequency range.
- What is the temperature coefficient of the ADR4550ARZ-R7? The temperature coefficient is 4ppm/°C maximum.
- What is the dropout voltage of the ADR4550ARZ-R7? The dropout voltage is 300mV at IL = 2mA.
- What is the ripple rejection ratio of the ADR4550ARZ-R7? The ripple rejection ratio is 90dB at fIN = 1KHz.
- In what package is the ADR4550ARZ-R7 available? The ADR4550ARZ-R7 is available in an SOIC-8 (NSOIC-8) package.
- What are some typical applications of the ADR4550ARZ-R7? Typical applications include precision data acquisition systems, high resolution data converters, high precision measurement devices, industrial instrumentation, and medical devices.
- Is the ADR4550ARZ-R7 suitable for low-power applications? Yes, the ADR4550ARZ-R7 is suitable for low-power applications due to its low quiescent current and high precision output voltage.
