Overview
The ADR4525BRZ is a high-precision, low-power, low-noise voltage reference from Analog Devices Inc. This component is part of the ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 family, known for its excellent temperature stability and low output noise. The ADR4525BRZ is particularly notable for its ±0.02% maximum initial error in B, C, and D grades, making it suitable for applications requiring high accuracy and stability.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 2.5V |
| Maximum Initial Error | ±0.02% (B, C, D grades) |
| Operating Current | 950 μA (max) |
| Low Dropout Voltage | 300 mV (max) |
| Temperature Range | −40°C to +125°C (extended industrial range) |
| Package Type | 8-Lead SOIC |
| Long-term Output Voltage Drift | 19 ppm (250 hours), 25 ppm (1000 hours), 51 ppm (4500 hours) at 25°C |
| Turn-on Settling Time | Typically 10 ms with COUT = 1 µF |
Key Features
- Ultra-low noise and high accuracy voltage reference.
- Excellent temperature stability with low long-term output voltage drift.
- Low thermally induced output voltage hysteresis.
- Low power consumption with a maximum operating current of 950 μA.
- Available in various packages, including 8-lead SOIC and LCC for different grades.
- Qualified for automotive applications (ADR4525W variant).
Applications
The ADR4525BRZ is suitable for a variety of applications that require high precision and low noise, including:
- Portable equipment due to its low power consumption and low dropout voltage.
- Automotive systems, with the ADR4525W variant specifically qualified for such applications.
- RF front-end GaN power amplifier biasing and protection.
- Precision data acquisition and measurement systems.
- High-accuracy analog circuits and systems.
Q & A
- What is the output voltage of the ADR4525BRZ?
The output voltage of the ADR4525BRZ is 2.5V. - What is the maximum initial error of the ADR4525BRZ?
The maximum initial error is ±0.02% for B, C, and D grades. - What is the operating current of the ADR4525BRZ?
The maximum operating current is 950 μA. - What is the temperature range of the ADR4525BRZ?
The temperature range is −40°C to +125°C (extended industrial range). - In what package types is the ADR4525BRZ available?
The ADR4525BRZ is available in an 8-lead SOIC package, among others. - Is the ADR4525BRZ suitable for automotive applications?
Yes, the ADR4525W variant is specifically qualified for automotive applications. - What are the key features of the ADR4525BRZ?
The key features include ultra-low noise, high accuracy, excellent temperature stability, and low long-term output voltage drift. - How does the ADR4525BRZ perform in terms of long-term output voltage drift?
The long-term output voltage drift is 19 ppm (250 hours), 25 ppm (1000 hours), and 51 ppm (4500 hours) at 25°C. - What is the turn-on settling time of the ADR4525BRZ?
The turn-on settling time is typically 10 ms with COUT = 1 µF. - Where can I find more detailed specifications and documentation for the ADR4525BRZ?
You can find detailed specifications and documentation on the Analog Devices website or through their support portal.
