General Description

The MIC7211 and MIC7221 are micropower comparators featuring rail-to-rail input performance in Micrel’s IttyBitty® SOT-23-5 package. The MIC7211/21 is ideal for systems where small size is a critical consideration.

The MIC7211/21 is optimized for single supply operation from 2.2V to 10V power supplies.

Features

• Small footprint SOT-23-5 package

• Guaranteed performance at 2.2V, 2.7V, 5V, and 10V

• 7µA typical supply current at 5V

• <5µs response time at 5V

• Push-pull output (MIC7211)

• Open-drain output (MIC7221)

• Input voltage range may exceed supply voltage by 0.3V

• >100mA typical sink or source

Applications

• Battery-powered products

• Notebook computers and PDAs

• PCMCIA cards

• Cellular and other wireless communication devices

• Alarm and security circuits

• Direct sensor interface