max9018bekat Maxim Integrated Products, Inc., max9018bekat Datasheet

max9018bekat

Manufacturer Part Number

max9018bekat

Description

Sot23, Dual, Precision, 1.8v, Nanopower Comparators With/without Reference

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX9018BEKAT.pdf (16 pages)

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The single MAX9015/MAX9016 and dual MAX9017–

MAX9020 nanopower comparators in space-saving

SOT23 packages feature Beyond-the-Rails™ inputs

and are guaranteed to operate down to 1.8V. The A-

grade packages feature an on-board 1.236V ±1% ref-

erence, while the B-grade packages feature a 1.24V

±1.75% reference. An ultra-low supply current of 0.85µA

(MAX9019/MAX9020), 1µA (MAX9015/MAX9016), or

1.2µA (MAX9017/MAX9018) makes the MAX9015–

MAX9020 family of comparators ideal for all 2-cell bat-

tery monitoring/management applications.

The unique design of the MAX9015–MAX9020 output

stage limits supply-current surges while switching,

which virtually eliminates the supply glitches typical of

many other comparators. This design also minimizes

overall power consumption under dynamic conditions.

The MAX9015/MAX9017/MAX9019 have a push-pull

output stage that sinks and sources current. Large

internal output drivers allow Rail-to-Rail

with loads up to 6mA. The MAX9016/MAX9018/MAX9020

have an open-drain output stage that makes them suit-

able for mixed-voltage system design. All devices are

available in the ultra-small 8-pin SOT23 package.

Refer to the MAX9117–MAX9120 data sheet for similar

single comparators with or without reference in a tiny

SC70 package.

19-2874; Rev 1; 7/03

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

2-Cell Battery

Monitoring/Management

Ultra-Low Power Systems

Mobile Communications

Notebooks and PDAs

Threshold Detectors/

Discriminators

MAX9015A

MAX9016A

MAX9017A

MAX9017B

MAX9018A

MAX9018B

MAX9019

MAX9020

PART

SOT23, Dual, Precision, 1.8V, Nanopower

________________________________________________________________ Maxim Integrated Products

COMPARATOR(S)

General Description

Comparators With/Without Reference

Window Detectors

Sensing at Ground or

Supply Line

Telemetry and Remote

Systems

Medical Instruments

Applications

INTERNAL REFERENCE (V)

output swing

1.240 ±1.75%

1.236 ±1%

—

o Ultra-Low Total Supply Current

o Guaranteed Operation Down to 1.8V

o Precision V

o Internal 1.236V ±1% Reference (A Grade)

o Input Voltage Range Extends 200mV

o CMOS Push-Pull Output with ±6mA Drive

o Open-Drain Output Versions Available

o Crowbar-Current-Free Switching

o Internal 4mV Hysteresis for Clean Switching

o No Phase Reversal for Overdriven Inputs

o Dual Versions in Space-Saving 8-Pin SOT23

Pin Configurations appear at end of data sheet.

Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc.

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

Ordering Information continued at end of data sheet.

MAX9015AEKA-T

MAX9016AEKA-T

MAX9017AEKA-T

MAX9017BEKA-T

Beyond-the-Rails

Capability (MAX9015/MAX9017/MAX9019)

(MAX9016/MAX9018/MAX9020)

Package

0.85µA (MAX9019/MAX9020)

1.0µA (MAX9015A/MAX9016A)

1.2µA (MAX9017/MAX9018)

PART

OUTPUT TYPE

Open drain

Push-pull

< 5mV (max)

-40°C to +85°C

TEMP RANGE

Ordering Information

SUPPLY CURRENT (µA)

Selector Guide

PIN-

PACKAGE

8 SOT23-8

0.85

1.2

Features

MARK

AEIW

AEIQ

AEIX

AEIS

TOP

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max9018bekat Summary of contents

Page 1

... Applications MAX9016AEKA-T MAX9017AEKA-T MAX9017BEKA-T Ordering Information continued at end of data sheet. Pin Configurations appear at end of data sheet. Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. INTERNAL REFERENCE (V) 1.236 ±1% 1.236 ±1% 1.236 ±1% 1.240 ±1.75% 1.236 ± ...

Page 2

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ABSOLUTE MAXIMUM RATINGS Supply Voltage ( .................................................... IN+, IN-, INA+, INB+, INA-, INB-, REF/INA-, REF..................................(V EE Output Voltage (OUT_) MAX9015A, MAX9017_, MAX9019....(V EE MAX9016A, MAX9018_, MAX9020...................(V Output ...

Page 3

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ELECTRICAL CHARACTERISTICS—MAX9015–MAX9018 (Single and Duals with REF) (continued 5V 0V -40°C to +85°C, unless otherwise noted. Typical values are at T ...

Page 4

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ELECTRICAL CHARACTERISTICS—MAX9019/MAX9020 (Duals without REF 5V 0V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL Supply Voltage Range ...

Page 5

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ELECTRICAL CHARACTERISTICS—MAX9019/MAX9020 (Duals without REF) (continued 5V 0V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL Rise Time ...

Page 6

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ( 15pF OVERDRIVE MAX9015/MAX9016 SUPPLY CURRENT vs. OUTPUT TRANSITION FREQUENCY 1. ...

Page 7

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ( 15pF OVERDRIVE INPUT OFFSET VOLTAGE DISTRIBUTION -1.5 -1.2 -0.9 -0.6 -0.3 ...

Page 8

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ( 15pF OVERDRIVE INPUT BIAS CURRENT vs. INPUT BIAS VOLTAGE 1.000 IN+ = 2.5V 0.600 0.200 -0.200 -0.600 -1.000 -0.5 0.5 ...

Page 9

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference ( 15pF OVERDRIVE PROPAGATION DELAY ( 5V) PD- CC MAX9015 toc34 V IN+ 50mV/div V OUT 2V/div 2µs/div ...

Page 10

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference PIN MAX9015/ MAX9017/ MAX9019/ MAX9016 MAX9018 MAX9020 1 — — 2 — — 3 — — — — 6 — — — ...

Page 11

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference Detailed Description The MAX9015–MAX9018 feature an on-board 1.24V ±0.5% (±1.45% for the B grade) reference, yet draw an ultra-low supply current. The MAX9019/MAX9020 (duals without reference) consume just 850nA of supply current. ...

Page 12

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference Internal Hysteresis Many comparators oscillate in the linear region of oper- ation because of noise or undesired parasitic feed- back. Oscillations can occur when the voltage on one input is equal or ...

Page 13

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference 6) Verify the trip voltages and hysteresis as follows: V rising: = 2.992V, which is equivalent to REF IN times R1 divided by the parallel combination of R1, R2:    ...

Page 14

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference Board Layout and Bypassing The MAX9015–MAX9020 ultra-low supply current typi- cally requires no power-supply bypass capacitors. However, when the supply has high output impedance, long lead lengths or excessive noise, or fast ...

Page 15

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference 100mV P-P IN+ IN- MAX9015 MAX9016 MAX9019 V MAX9020 EE Figure 5. Zero-Crossing Detector Logic-Level Translator The open-drain comparators can be used to convert 5V logic to 3V ...

Page 16

SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages PIN 1 I.D. DOT ...

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