PRECISION 2.45 VOLT VOLTAGE REFERENCEZR404ISSUE 2 — FEBRUARY 1998DEVICE DESCRIPTIONFEATURES The ZR404 uses a bandgap circuit design to • Small outline SO8 and TO92 achieve a precision voltage reference of 2.45 style packages volts. The device is available in small outline • No stabilising capacitor required s u r f a c e m o u n t p a c k a g e s , i d e a l fo r • a p p l i c a t i o n s w h e re s p a c e s a v i n g i s Typical TC 15ppm/°C important as well as a 2 pin TO92 style • Typical slope resistance 0.26Ω package for through hole requirements. • ± 3% tolerance The ZR404 design provides a stable voltage • Industrial temperature range (Military without an external capacitor and is stable temperature range available on request) wi th capaci tive loads. The ZR404 is • Operating current 2mA to 120mA recommended for operation between 2mA • Alternative package options and and 120mA. tolerances are available APPLICATIONS • Battery powered and portable equipment. • Metering and measurement systems. • Instrumentation. • Test equipment. • Data acquisition systems. • Precision power supplies. SCHEMATIC DIAGRAM V R 1.25V REF G nd 4-169
