Overview
The REF195GSZ is a precision micropower, low dropout voltage reference IC produced by Analog Devices Inc. This device is part of the REF19x series, known for its high accuracy and stability over a wide range of temperatures. The REF195GSZ provides a fixed 5V output voltage and is designed for applications requiring low power consumption and high reliability.
The device features a patented temperature drift curvature correction circuit and laser-trimmed thin-film resistors, which ensure a very low temperature coefficient and high initial accuracy. It operates from supplies as low as 100 mV above the output voltage, making it suitable for various power-sensitive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5V | V |
| Output Voltage Tolerance | ±0.2% | % |
| Temperature Coefficient | 25 ppm/°C | ppm/°C |
| Output Current | 30 mA | mA |
| Input Voltage Range | 5.1 V to 15 V | V |
| Supply Current | 45 µA | µA |
| Supply Current in Sleep Mode | 15 µA | µA |
| Noise (0.1 Hz to 10 Hz) | 50 µVp-p | µVp-p |
| Package Type | 8-Lead SOIC | |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- Precision micropower, low dropout voltage reference with a fixed 5V output.
- High initial accuracy of ±0.2% and low temperature coefficient of 25 ppm/°C.
- Low supply current of 45 µA and reduced to 15 µA in sleep mode.
- Operates from supplies as low as 100 mV above the output voltage.
- Patented temperature drift curvature correction circuit and laser-trimmed thin-film resistors for high stability.
- Available in an 8-lead SOIC package.
Applications
The REF195GSZ is suitable for a variety of applications that require high accuracy and low power consumption, including:
- Automotive systems: Due to its extended industrial temperature range and high reliability.
- Industrial control systems: Where stable voltage references are crucial for accurate measurements and control.
- Medical devices: Requiring precise voltage references with low power consumption.
- Telecommunication equipment: For stable voltage references in power-sensitive applications.
Q & A
- What is the output voltage of the REF195GSZ?
The output voltage of the REF195GSZ is 5V.
- What is the temperature coefficient of the REF195GSZ?
The temperature coefficient of the REF195GSZ is 25 ppm/°C.
- What is the supply current of the REF195GSZ?
The supply current of the REF195GSZ is 45 µA, and it reduces to 15 µA in sleep mode.
- What is the operating temperature range of the REF195GSZ?
The operating temperature range of the REF195GSZ is -40°C to +85°C.
- What package type is the REF195GSZ available in?
The REF195GSZ is available in an 8-lead SOIC package.
- How does the REF195GSZ achieve high stability?
The REF195GSZ achieves high stability through a patented temperature drift curvature correction circuit and laser-trimmed thin-film resistors.
- What is the minimum input voltage required for the REF195GSZ?
The minimum input voltage required for the REF195GSZ is 5.1 V.
- Can the REF195GSZ be used in automotive applications?
Yes, the REF195GSZ can be used in automotive applications due to its extended industrial temperature range and high reliability.
- What is the noise level of the REF195GSZ in the 0.1 Hz to 10 Hz range?
The noise level of the REF195GSZ in the 0.1 Hz to 10 Hz range is 50 µVp-p.
- How does the sleep mode affect the supply current of the REF195GSZ?
In sleep mode, the supply current of the REF195GSZ is reduced to less than 15 µA.
