Overview
The ADR4550BRZ is a high-precision, low-power, low-noise voltage reference from Analog Devices Inc. This device is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its excellent temperature stability and low output noise. The ADR4550BRZ is available in an 8-lead SOIC package and is specified over the extended industrial temperature range of −40°C to +125°C, making it suitable for a wide range of applications, including those requiring high accuracy and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 5.0V (typical) |
| Maximum Initial Error | ±0.02% (B, C, D grades) |
| Temperature Stability | Excellent temperature stability across −40°C to +125°C |
| Output Noise Density | 83.5 nV/√Hz at 1 kHz |
| Output Voltage Hysteresis | −13 ppm (full cycle, A, B, C grades) |
| Long-term Drift | 25 ppm (1000 hours, A, B, C grades) |
| Maximum Operating Current | 950 μA |
| Low Dropout Voltage | 300 mV |
| Package | 8-lead SOIC |
Key Features
- High precision with ±0.02% maximum initial error
- Excellent temperature stability and low output noise
- Low, thermally induced output voltage hysteresis and long-term output voltage drift
- Maximum operating current of 950 μA and low dropout voltage of 300 mV
- Available in a wide range of output voltages
- Qualified for automotive applications (specific models)
Applications
The ADR4550BRZ is suitable for various applications requiring high accuracy and reliability, including:
- Portable equipment due to its low power consumption and low dropout voltage
- Automotive systems, with specific models qualified for such applications
- Industrial and commercial systems where temperature stability and low noise are critical
Q & A
- What is the typical output voltage of the ADR4550BRZ?
The typical output voltage of the ADR4550BRZ is 5.0V. - What is the maximum initial error of the ADR4550BRZ?
The maximum initial error is ±0.02% for B, C, and D grades. - What is the temperature range for the ADR4550BRZ?
The device is specified over the extended industrial temperature range of −40°C to +125°C. - What is the output noise density of the ADR4550BRZ at 1 kHz?
The output noise density is 83.5 nV/√Hz at 1 kHz. - What is the maximum operating current of the ADR4550BRZ?
The maximum operating current is 950 μA. - What is the low dropout voltage of the ADR4550BRZ?
The low dropout voltage is 300 mV. - In what package is the ADR4550BRZ available?
The ADR4550BRZ is available in an 8-lead SOIC package. - Is the ADR4550BRZ qualified for automotive applications?
Specific models within the family are qualified for automotive applications, but it is essential to check the specific model. - What are the key features of the ADR4550BRZ?
Key features include high precision, excellent temperature stability, low output noise, and low long-term drift. - What are some common applications for the ADR4550BRZ?
Common applications include portable equipment, automotive systems, and industrial/commercial systems requiring high accuracy and reliability.
