ISL21090B25
Ultra Low Noise, Precision Voltage Reference
Key Features
- Reference Output Voltage Option
- 1.25V, 2.5V, and 5.0V (Released)
- 7.5V (Coming Soon)
- Initial Accuracy:
- ISL21090-12: ±0.03%
- ISL21090-25: ±0.02%
- ISL21090-50: ±0.025%
- Output Voltage Noise (0.1Hz to 10Hz): 1.0µVP-PTyp (1.25V Option)
- Supply Current: 750µA (1.25V Option)
- Temperature Coefficient: 7ppm/°C Max
- Output Current Capability: 20mA
- Line Regulation: 6ppm/V (1.25V Option)
- Load Regulation: 2.5ppm/mA (1.25V Option)
- Operating Temperature Range: -40°C to +125°C
Description
The ISL21090 is a ultra low noise, high DC accuracy precision voltage reference with wide input voltage range. The ISL21090 uses the new Intersil Advanced Bipolar technology to achieve sub 1.0µVP-P (1.25V option) 0.1Hz to 10Hz noise with an initial voltage accuracy of 0.02% (2.5V option).
The ISL21090 offers 1.25V, 2.5V, and 5.0V output voltage options with 7ppm/°C temperature coefficient and also provides excellent line and load regulation. These devices are offered in an 8 Ld SOIC package.
The ISL21090 is ideal for high-end instrumentation, data acquisition and processing applications requiring high DC precision where low noise performance is critical.
Applications
- High-End Instrumentation
- Precision Voltage Sources for Data Acquisition System, Industrial Control, Communication Infrastructure
- Process Control and Instrumentations
- Active Source for Sensors


