Overview
The ADR3525WARMZ-R7 is a low-cost, low-power, high-precision CMOS voltage reference produced by Analog Devices Inc. This component is part of the ADR3525 series, which includes several models with different output voltages. The ADR3525WARMZ-R7 specifically provides a fixed output voltage of 2.5V with a precision of ±0.1%. It is designed to operate over a wide temperature range, making it suitable for various applications, including automotive and industrial systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.500 | V |
| Output Voltage Tolerance | ±0.1% | |
| Input Voltage Range | 2.7 to 5.5 | V |
| Operating Temperature Range | −40°C to +125°C | |
| Quiescent Current | 100 μA (maximum) | |
| Temperature Coefficient (TC) | 5 ppm/°C (B grade), 8 ppm/°C (A grade) | |
| Output Noise (0.1 Hz to 10 Hz) | 25 μV p-p | |
| Output Noise (10 Hz to 10 kHz) | 46 μV rms | |
| Output Noise Density at 1 kHz | 1.2 µV/√Hz | |
| Long-term Output Voltage Drift | 30 ppm (initial 1 khr typical) | |
| Package Type | 8-Lead MSOP | |
| Thermal Resistance (θJA) | 132.5 °C/W |
Key Features
- High precision with low output voltage tolerance of ±0.1%
- Low power consumption with a maximum quiescent current of 100 μA
- Low output noise and long-term output voltage drift, ensuring high system accuracy
- Digital trimming using Analog Devices' patented DigiTrim® technology for high accuracy
- Low dropout voltage of 250 mV at 2 mA
- Enable pin for shutdown functionality
- Operating temperature range of −40°C to +125°C, suitable for automotive and industrial applications
Applications
The ADR3525WARMZ-R7 is versatile and can be used in a variety of applications, including:
- Automotive systems: Due to its wide operating temperature range and high precision, it is suitable for use in automotive electronics.
- Industrial control systems: It can be used in industrial control systems where stable and precise voltage references are required.
- Medical devices: Its low noise and high accuracy make it a good choice for medical devices that require stable voltage references.
- Consumer electronics: It can be used in consumer electronics where low power consumption and high precision are necessary.
Q & A
- What is the output voltage of the ADR3525WARMZ-R7?
The output voltage of the ADR3525WARMZ-R7 is 2.500V with a tolerance of ±0.1%. - What is the operating temperature range of the ADR3525WARMZ-R7?
The operating temperature range is −40°C to +125°C. - What is the maximum quiescent current of the ADR3525WARMZ-R7?
The maximum quiescent current is 100 μA. - What is the temperature coefficient (TC) of the ADR3525WARMZ-R7?
The temperature coefficient is 5 ppm/°C (B grade) and 8 ppm/°C (A grade). - What is the package type of the ADR3525WARMZ-R7?
The package type is 8-Lead MSOP. - Does the ADR3525WARMZ-R7 have an enable pin for shutdown?
Yes, it has an enable pin that allows for shutdown functionality. - What is the long-term output voltage drift of the ADR3525WARMZ-R7?
The long-term output voltage drift is 30 ppm (initial 1 khr typical). - What technology is used for digital trimming in the ADR3525WARMZ-R7?
Analog Devices' patented DigiTrim® technology is used for digital trimming. - What is the thermal resistance (θJA) of the ADR3525WARMZ-R7?
The thermal resistance (θJA) is 132.5 °C/W. - In what types of applications is the ADR3525WARMZ-R7 commonly used?
It is commonly used in automotive, industrial control systems, medical devices, and consumer electronics.
