ADCMP671

Data Sheet Low Power, Adjustable UV and OV Monitor with 400 mV, ±0.275% Reference ADCMP671 FEATURES Window monitoring with minimum processor I/O Individually monitoring N rails with only N + 1 processor I/O 400 mV, ± 0.275% threshold at VDD = 3.3 V, 25°C Supply range: 1.7 V to 5.5 V Low quiescent current: 17 μA maximum at 125°C Input range includes ground Internal hysteresis: 9.2 mV typical Low input bias current: 2.5 nA maximum Open-drain outputs Power good indication output Designated over voltage indication output Low profile (1 mm), 6-lead TSOT package FUNCTIONAL BLOCK DIAGRAM VDD INH UV ADCMP671 PWRGD 400mV OV INL OV GND Figure 1. 10160-001 APPLICATIONS Supply voltage monitoring Li-Ion monitoring Portable applications Handheld instruments GENERAL DESCRIPTION The ADCMP671 voltage monitor consists of two low power, high accuracy comparators and reference circuits. It operates on a supply voltage from 1.7 V to 5.5 V and draws 17 μA maximum, making it suitable for lo...