DATASHEET ISL21010 FN7896 Rev 6.00 Micropower Voltage Reference Apr 19, 2019 The ISL21010 is a precision, low dropout micropower bandgap Features voltage reference in a space-saving SOT-23 package. It Reference output voltages . 1.024V, 1.25V, 1.5V, operates from a single 2.2V to 5.5V supply (minimum voltage 2.048V, 2.5V, 3.0V, 3.3V, 4.096V is dependent on voltage option) and provides a 0.2% accurate reference. The ISL21010 provides up to 25mA output Precision 0.2% initial accuracy current sourcing with low 150mV dropout voltage. Input voltage range: Output voltage options include 1.024V, 1.2V, 1.5V, 2.048V, - ISL21010-10, -12, -15 -20 2.2V to 5.5V 2.5V, 3.0V, 3.3V, and 4.096V. The low supply current and low - ISL21010-25 . 2.6V to 5.5V dropout voltage combined with high accuracy make the - ISL21010-30 3.1V to 5.5V ISL21010 ideal for precision battery powered applications. - ISL21010-33 3.4V to 5.5V Applications - ISL21010-41 4.2V to 5.5V Battery management/monitoring Output current source capability 25mA Low power standby voltages Operating temperature range -40C to +125C Portable instrumentation Output voltage noise (V = 2.048V) 58V OUT P-P (0.1Hz to 10Hz) Consumer/medical electronics Supply current .48A (typical) Lower cost industrial and instrumentation Tempco . 50ppm/C Power regulation circuits Package . 3 Ld SOT-23 Control loops and compensation networks Pb-free (RoHS compliant) LED/diode supply Related Literature For a full list of related documents, visit our website: ISL21010DFH310, ISL21010DFH312, ISL21010CFH315, ISL21010CFH320, ISL21010CFH325, ISL21010CFH330, ISL21010CFH333, and ISL21010CFH341 device pages ISL21010 VIN VOUT +5.0V Cb Cl 0.1F TO 10F 1F GND +5.0V +5.0V SIGNAL INPUT R 0V TO 5V 1 50 ISL28134 +AIN1 VREF VDD C 1 ADC 4.7nF -AIN1 GND FIGURE 1. TYPICAL APPLICATION DIAGRAM FN7896 Rev 6.00 Page 1 of 37 Apr 19, 2019ISL21010 Table of Contents Typical Application Circuit 3 Pin Configuration 3 Pin Descriptions . 3 Ordering Information 4 Absolute Maximum Ratings . 5 Thermal Information . 5 Recommended Operating Conditions 5 Electrical Specifications (ISL21010-10, V = 1.024V) 5 OUT Electrical Specifications (ISL21010-12, V = 1.25V) . 6 OUT Electrical Specifications (ISL21010-15, V = 1.5V) . 6 OUT Electrical Specifications (ISL21010-20, V = 2.048V) 7 OUT Electrical Specifications (ISL21010-25, V = 2.5V) . 7 OUT Electrical Specifications (ISL21010-30, V = 3.0V) . 8 OUT Electrical Specifications (ISL21010-33, V = 3.3V) . 8 OUT Electrical Specifications (ISL21010-41, V = 4.096V) . 9 OUT Typical Performance Characteristics Curves (V = 1.024V) . 10 OUT Typical Performance Characteristics Curves (V = 1.25V) 13 OUT Typical Performance Characteristics Curves (V = 1.5V) . 16 OUT Typical Performance Characteristics Curves (V = 2.048V) . 19 OUT Typical Performance Characteristics Curves (V = 2.5V) . 22 OUT Typical Performance Characteristics Curves (V = 3.0V) . 25 OUT Typical Performance Characteristics Curves (V = 3.3V) . 28 OUT Typical Performance Characteristics Curves (V = 4.096V) . 31 OUT Applications Information 34 Micropower Operation 34 Board Mounting Considerations . 34 Board Assembly Considerations . 34 Noise Performance and Reduction . 34 Cycling V On-Off-On (CAUTION) . 34 IN Revision History 35 Package Outline Drawing 36 FN7896 Rev 6.00 Page 2 of 37 Apr 19, 2019