General Description
The MAX872/MAX874ESA precision 2.5V and 4.096V micropower voltage references consume a maximum of only 10µA and operate from supply voltages up to 20V. The combination of ultra-low quiescent current and low 200mV dropout makes them ideal for battery-powered equipment. They source and sink up to 500µA with only 200mV input voltage headroom, which makes the 2.5V MAX872 ideal for use with a 3V supply and the 4.096V MAX874ESA ideal for use with a 5V supply. Initial accuracy of 0.2% at +25°C (±5mV for the MAX872, ±8mV for the MAX874) and low 40ppm/°C max drift make these references suitable for a wide range of precision applications.
Features
♦ Output Voltage
2.500V ±0.2% (MAX872)
4.096V ±0.2% (MAX874)
♦ Wide Operating Voltage Range
2.7V to 20V (MAX872)
4.3V to 20V (MAX874)
♦ 10µA Max Supply Current
♦ 40ppm/°C Max Drift Over Extended Temp. Range
♦ Line Regulation Over Temp.
20µV/V (MAX872)
75µV/V (MAX874)
♦ Load Regulation Over Temp.
0.6mV/mA Max (MAX872)
1.0mV/mA Max (MAX874)
♦ ±500µA Sink/Source Current
Applications
Hand-Held Instruments
Battery-Operated Equipment
Power Supplies
Feature
General Description
The MAX872/MAX874 precision 2.5V and 4.096V micro-power voltage references consume a maximum of only 10µA and operate from supply voltages up to 20V.
♦ Output Voltage
2.500V ±0.2% (MAX872)
4.096V ±0.2% (MAX874)
♦ Wide Operating Voltage Range
2.7V to 20V (MAX872)
4.3V to 20V (MAX874)
♦ 10µA Max Supply Current
♦ 40ppm/°C Max Drift Over Extended Temp. Range
♦ Line Regulation Over Temp.
20µV/V (MAX872)
75µV/V (MAX874)
♦ Load Regulation Over Temp.
0.6mV/mA Max (MAX872)
1.0mV/mA Max (MAX874)
♦ ±500µA Sink/Source Current
Applications
Hand-Held Instruments
Battery-Operated Equipment
Power Supplies
(Picture: Pinout)
