300nA NanoPower Voltage References
ISL21080
Features
• Reference Output Voltage 0.900V, 1.024V, 1.250V,
1.500V, 2.048V, 2.500V, 3.000V, 3.300V, 4.096V,
5.000V
The ISL21080 analog voltage references feature low
supply voltage operation at ultra-low 310nA typ, 1.5µA
max operating current. Additionally, the ISL21080 family
features guaranteed initial accuracy as low as ±0.2%
and 50ppm/°C temperature coefficient.
• 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%
These references are ideal for general purpose portable
applications to extend battery life at 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.
• Input Voltage Range:
- ISL21080-09, -10, -12, -15, -20,
and -25 . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
- ISL21080-09 (Coming Soon)
- 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
Pin Configuration
ISL21080
(3 LD SOT-23)
TOP VIEW
• Output Voltage Noise . . . 30µV
(0.1Hz to 10Hz)
P-P
• 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)
1
2
V
IN
3
GND
V
OUT
Pin Descriptions
Applications
PIN
• Energy Harvesting Applications
• Wireless Sensor Network Applications
NUMBER
PIN NAME
DESCRIPTION
Input Voltage Connection.
Voltage Reference Output
Ground Connection
1
2
3
V
IN
• Low Power Voltage Sources for Controllers, FPGA,
ASICs or Logic Devices
V
OUT
• Battery Management/Monitoring
• Low Power Standby Voltages
• Portable Instrumentation
GND
• Consumer/Medical Electronics
• Wearable Electronics
• Lower Cost Industrial and Instrumentation
• Power Regulation Circuits
• Control Loops and Compensation Networks
• LED/Diode Supply
October 14, 2009
FN6934.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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