January 2000

1

MIC833

MIC833

Micrel

MIC833

Comparator and Reference with Adj. Hystersis

Advance Information

Typical Application

HTH

OUT

VDD

LTH

GND

MIC833

R1

R2

R3

1.5V

≤ V

5

3

1

4

2

Features

• Optimized for PDAs, cellular telephones, pagers,

and other battery-powered devices

• Inputs and output can pulled up to 6V

regardless of supply voltage

• Independently adjustable high- and

low-voltage thresholds

• High

±1% voltage threshold accuracy

• Extremely low 1

µA typical supply current

• Immune to brief input transients

• 5-lead SOT-23 package

Applications

•PDAs

• Pagers

• Cordless phones

• Consumer electronics

• Embedded controllers

• Personal electronics

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

General Description

The MIC833 is a micropower precision dual voltage com-

parator with an on-chip reference and latch.

High- and low-voltage thresholds are adjusted indepen-

dently, allowing for wide hysteresis. Three external resistors

determine the threshold voltages. Voltage detection thresh-

olds are accurate to 1%.

Supply current is extremely low (1

µA, typical), making it ideal

for portable applications.

The MIC833 is supplied in Micrel’s IttyBitty™ 5-lead SOT-23-

5 package.

See the MIC2778 for applications requiring an output delay.

IttyBitty™ is a trademark of Micrel, Inc.

Ordering Information

Part Number

Marking

Accuracy

Temperature Range

Package

MIC833BM5

B11

1%

–40

°C to +85°C

SOT-23-5