Overview
Description
The ISL21080 analog voltage references feature low supply voltage operation at ultra-low 310nA typical, 1.5μA maximum operating current. Additionally, the ISL21080 family features ensured initial accuracy as low as ±0.2% and 50ppm/°C temperature coefficient. These references are ideal for general-purpose portable applications to extend battery life at a lower cost. The ISL21080 is provided in the industry standard 3 Ld SOT-23 pinout. The ISL21080 output voltages can be used as precision voltage sources for voltage monitors, control loops, standby voltages for low power states for DSP, FPGA, Datapath controllers, microcontrollers, and other core voltages: 0.9V, 1.024V, 1.25V, 1.5V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V.
Special Note: Post-assembly X-ray inspection may lead to permanent changes in device output voltage and should be minimized or avoided. For further information, see “Applications Information” on page 15 of the datasheet and AN1533, “X-Ray Effects on Intersil FGA References”.
Features
- Reference output voltage: 0.900V, 1.024V, 1.250V, 1.500V, 2.048V, 2.500V, 3.000V, 3.300V, 4.096V, 5.000V
- Initial accuracy:
- ISL21080-09 and -10 ±0.7%
- ISL21080-12 ±0.6%
- ISL21080-15 ±0.5%
- ISL21080-20 and -25 ±0.3%
- ISL21080-30, -33, -41, and -50 ±0.2%
- Input voltage range:
- ISL21080-09 2.0V to 5.5V
- ISL21080-10, -12, -15, -20 and -25. 2.7V to 5.5V
- ISL21080-30 3.2V to 5.5V
- ISL21080-33 3.5V to 5.5V
- ISL21080-41. 4.5V to 8.0V
- ISL21080-50 5.5V to 8.0V
- Output voltage noise: 30μVP-P (0.1Hz to 10Hz)
- Supply current: 1.5μA (max)
- Tempco: 50ppm/°C
- Output current capability: ±7mA
- Operating temperature range: -40 °C to +85 °C
- Package: 3 Ld SOT-23
- Pb-Free (RoHS compliant)
Comparison
Applications
Design & Development
Software & Tools
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Evaluation
ISL21080xxEV1Z
Active
300nA Nano Power Voltage Reference Evaluation Boards
The ISL21080xxEV1Z evaluation boards are designed to measure the performance of the nano power ISL21080 voltage reference. The reference comes in a wide selection of output voltages ranging from 0.9V to 5.0V, and an initial accuracy as low as 0.2% (3.0V to 5.0V options). With a typical supply...
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