Overview
The ADR4525ARZ-R7 is a high-precision, low-power, low-noise voltage reference produced by 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 ADR4525ARZ-R7 features an innovative core topology that achieves high accuracy and industry-leading temperature stability and noise performance. It is particularly suited for applications requiring precise voltage references over a wide range of temperatures.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VOUT) | 2.5 | V |
| Input Voltage Range | 3 V to 15 V | V |
| Maximum Initial Error | ±0.02% (B, C, D grade) | % |
| Temperature Coefficient | 4 ppm/°C | ppm/°C |
| Operating Temperature Range | −40°C to +125°C | °C |
| Supply Current | 950 μA | μA |
| Output Current | 10 mA | mA |
| Package Type | 8-Lead SOIC | |
| Noise (0.1Hz to 10kHz) | 1.25 µVp-p | µVp-p |
Key Features
- High precision with ±0.02% maximum initial error (B, C, D grade)
- Low power consumption with a maximum supply current of 950 μA
- Low noise performance with 1.25 µVp-p noise from 0.1Hz to 10kHz
- Excellent temperature stability with a temperature coefficient of 4 ppm/°C
- Low long-term output voltage drift and thermally induced output voltage hysteresis
- Available in 8-lead SOIC and LCC packages
- Qualified for automotive applications (ADR4525W)
Applications
The ADR4525ARZ-R7 is suitable for a variety of applications that require high-precision voltage references, including:
- Portable equipment due to its low power consumption and low dropout voltage
- Automotive systems, with the ADR4525W version qualified for automotive use
- Industrial control systems requiring stable voltage references over a wide temperature range
- Medical devices where high accuracy and low noise are critical
- Telecommunication equipment needing reliable voltage references
Q & A
- What is the output voltage of the ADR4525ARZ-R7?
The output voltage of the ADR4525ARZ-R7 is 2.5 V.
- What is the input voltage range for the ADR4525ARZ-R7?
The input voltage range is from 3 V to 15 V.
- What is the maximum initial error of the ADR4525ARZ-R7?
The maximum initial error is ±0.02% for B, C, and D grades.
- What is the temperature coefficient of the ADR4525ARZ-R7?
The temperature coefficient is 4 ppm/°C.
- What is the operating temperature range of the ADR4525ARZ-R7?
The operating temperature range is −40°C to +125°C.
- How much current does the ADR4525ARZ-R7 consume?
The maximum supply current is 950 μA.
- What is the maximum output current of the ADR4525ARZ-R7?
The maximum output current is 10 mA.
- In what package is the ADR4525ARZ-R7 available?
The ADR4525ARZ-R7 is available in an 8-lead SOIC package.
- Is the ADR4525ARZ-R7 qualified for automotive applications?
Yes, the ADR4525W version is qualified for automotive applications.
- What are the noise characteristics of the ADR4525ARZ-R7?
The noise from 0.1Hz to 10kHz is 1.25 µVp-p.
