ADM12914

Data Sheet ±0.8% Accurate Quad UV/OV Positive/Negative Voltage Supervisor ADM12914 FEATURES Quad undervoltage/overvoltage (UV/OV) positive/negative supervisor Supervises up to two negative rails Adjustable UV and OV input thresholds Industry leading threshold accuracy over the extended temperature range: ±0.8% 1 V buffered reference output Open-drain UV and OV reset outputs Adjustable reset timeout with disable option Outputs guaranteed down to VCC of 0.9 V Glitch immunity 62 µA supply current 16-lead QSOP package Specified from −40°C to +125°C APPLICATIONS Server supply monitoring FPGA/DSP core and I/O voltage monitoring Telecommunications equipment Medical equipment FUNCTIONAL BLOCK DIAGRAM VCC TIMER ADM12914 VH1 500mV TIMER VL1 VH2 500mV UV VL2 VH3 OUTPUT LOGIC 500mV VL3 VH4 500mV VL4 MUX SEL GND Figure 1. OV LOGIC REF LATCH/DIS REF GENERAL DESCRIPTION The ADM12914 is a quad voltage supervisory IC ideally suited for monitoring multiple rails in a wide range ...