
Intersil
Ultra Low Noise, Precision Voltage Reference
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 to10Hz noise with an initial voltage accuracy of 0.02% (2.5V option).
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
APPLICATIONs
• High-End Instrumentation
• Precision Voltage Sources for Data Acquisition System, Industrial Control, Communication Infrastructure
• Process Control and Instrumentations
• Active Source for Sensors