ADCMP671 Series

Low Power Adjustable UV and OV Monitor with 400 mV 0.275% Reference

Catalog

Low Power Adjustable UV and OV Monitor with 400 mV 0.275% Reference

Part	Current - Input Bias (Max) [Max]	Mounting Type	Supplier Device Package	Voltage - Supply, Single/Dual (±) [Min]	Voltage - Supply, Single/Dual (±) [Max]	Type	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Output Type	Current - Quiescent (Max) [Max]	Propagation Delay (Max) [Max]	Number of Elements	Hysteresis
Analog Devices ADCMP671-1YUJZ-RL7	0.003 µA	Surface Mount	TSOT-6	1.7 V	5.5 V	General Purpose	SOT-23-6 Thin TSOT-23-6	125 °C	-40 °C	Open-Drain	11 µA	10 µs	1	9.2 mV

Catalog

Low Power Adjustable UV and OV Monitor with 400 mV 0.275% Reference

Key Features

• Window monitoring with minimum processor I/O

• Internal hysteresis: 9.2 mV typical

• 400 mV ± 0.275% threshold at VDD= 3.3 V, 25°C

• Supply range: 1.7 V to 5.5 V

• Low quiescent current: 8.55 μA maximum

• Input range includes ground

• Open-drain outputs

• Individually monitoring N rails with only N + 1 processor I/O

• Low input bias current: ±2.5 nA maximum

• Power good indication output

• Designated over voltage indication output

• Low profile (1 mm), 6-lead TSOT package

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 only 8.55 μA maximum, making it suitable for low power system monitoring and portable applications. The part is designed to monitor and report supply undervoltage and overvoltage fault. The low input bias current and voltage reference allows resistor adjustable UV and OV threshold down to 400 mV. The ADCMP671 has two open-drain outputs: the PWRGD output indicates that the supply is within the UV and OV window, and theOVoutput indicates that the supply is overvoltage. This output combination allows users to window monitor N supplies with an N + 1 processor input/output (I/O). Each output is guaranteed to sink greater than 5 mA over temperature.The ADCMP671 is available in 6-lead TSOT package. The device operates over the -40°C to +125°C temperature range.APPLICATIONSSupply voltage monitoringLi-ion monitoringPortable applicationsHandheld instruments