max996eudt Maxim Integrated Products, Inc., max996eudt Datasheet

max996eudt

Manufacturer Part Number

max996eudt

Description

High-speed, Micropower, Low-voltage, Sot23, Rail-to-rail I/o Comparators

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX996EUDT.pdf (13 pages)

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µMAX is a registered trademark of Maxim Integrated Products,

Inc.

19-1266; Rev 2; 1/07

The MAX987/MAX988/MAX991/MAX992/MAX995/

MAX996 single/dual/quad micropower comparators

feature low-voltage operation and rail-to-rail inputs and

outputs. Their operating voltage ranges from +2.5V to

+5.5V, making them ideal for both 3V and 5V systems.

These comparators also operate with ±1.25V to ±2.75V

dual supplies. They consume only 48µA per compara-

tor while achieving a 120ns propagation delay.

Input bias current is typically 1.0pA, and input offset volt-

age is typically 0.5mV. Internal hysteresis ensures clean

output switching, even with slow-moving input signals.

The output stage’s unique design limits supply-current

surges while switching, virtually eliminating the supply

glitches typical of many other comparators. The

MAX987/MAX991/MAX995 have a push-pull output

stage that sinks as well as sources current. Large inter-

nal output drivers allow rail-to-rail output swing with

loads up to 8mA. The MAX988/MAX992/MAX996 have

an open-drain output stage that can be pulled beyond

are ideal for level translators and bipolar to single-

ended converters.

The single MAX987/MAX988 are available in tiny 5-pin

SC70 packages, while the dual MAX991/MAX992 are

available in ultra-small 8-pin SOT23 and µMAX

ages.

Portable/Battery-

Powered Systems

Mobile Communications

Zero-Crossing Detectors

Window Comparators

Level Translators

________________General Description

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.

MAX987

MAX988

MAX991

MAX992

MAX995

MAX996

PART

to 6V (max) above V

________________________________________________________________ Maxim Integrated Products

COMPARATORS

PER PACKAGE

High-Speed, Micropower, Low-Voltage,

. These open-drain versions

Threshold Detectors/

Discriminators

Ground/Supply Sensing

IR Receivers

Digital Line Receivers

SOT23, Rail-to-Rail I/O Comparators

Selector Guide

Applications

Open-Drain

Push-Pull

OUTPUT

STAGE

pack-

♦ 120ns Propagation Delay

♦ 48µA Quiescent Supply Current

♦ +2.5V to +5.5V Single-Supply Operation

♦ Common-Mode Input Voltage Range Extends

♦ Push-Pull Output Stage Sinks and Sources

♦ Open-Drain Output Voltage Extends Beyond V

♦ Unique Output Stage Reduces Output Switching

♦ 100µA Supply Current at 1MHz Switching

♦ No Phase Reversal for Overdriven Inputs

♦ Available in Space-Saving Packages:

____________________________Features

_______________Ordering Information

Ordering Information continued at end of data sheet.

Typical Application Circuit appears at end of data sheet.

Note: All devices specified over the -40°C to +85°C operating

temperature range.

Pin Configurations continued at end of data sheet.

MAX987EXK-T

MAX987EUK-T

MAX987ESA

250mV Beyond the Rails

8mA Current (MAX987/MAX991/MAX995)

(MAX988/MAX992/MAX996)

Current, Minimizing Overall Power Consumption

Frequency

TOP VIEW

PART

5-Pin SOT23 (MAX987/MAX988)

8-Pin µMAX (MAX991/MAX992)

OUT

5 SC70-5

5 SOT23-5

8 SO

PIN-PACKAGE

IN+

SOT23/SC70

Pin Configurations

MAX987

MAX988

CODE

PKG

X5-1

U5-1

S8-2

IN-

MARK

ABZB

TOP

ABM

—

Related parts for max996eudt

max996eudt Summary of contents

Page 1

Rev 2; 1/07 High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ________________General Description The MAX987/MAX988/MAX991/MAX992/MAX995/ MAX996 single/dual/quad micropower comparators feature low-voltage operation and rail-to-rail inputs and outputs. Their operating voltage ranges from +2.5V to +5.5V, making them ideal for both ...

Page 2

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ABSOLUTE MAXIMUM RATINGS Supply Voltage ( ................................................... IN_-, IN_ .......................................-0. Current into Input Pins .....................................................±20mA OUT_ MAX987/MAX991/MAX995 ....................-0. ...

Page 3

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ELECTRICAL CHARACTERISTICS (continued +2.7V to +5.5V 0V PARAMETER SYMBOL OUT Rise Time (MAX987/MAX991/ t RISE MAX995 Only) OUT Fall Time t FALL t PD- Propagation ...

Page 4

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators (V = +5V 0V +25°C, unless otherwise noted SUPPLY CURRENT PER COMPARATOR vs. TEMPERATURE 90 V > V IN+ IN ...

Page 5

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators (V = +5V 0V +25°C, unless otherwise noted PROPAGATION DELAY vs. CAPACITIVE LOAD 10,000 V = 50mV OD 1000 100 0.01 0.1 1 CAPACITIVE LOAD (nF) ...

Page 6

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators (V = +5V 0V +25°C, unless otherwise noted SWITCHING CURRENT, OUT FALLING V OD IN+ OUT I CC 200ns/div 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) MAX987-14 ...

Page 7

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ______________________________________________________________Pin Description PIN MAX987 MAX991 MAX988 MAX996 SOT23/ SO/µMAX/ SO SC70 SOT23 1 6 — — — — — 1 — — 2 ...

Page 8

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators Detailed Description The MAX987/MAX988/MAX991/MAX992/MAX995/ MAX996 are single/dual/quad low-power, low-voltage comparators. They have an operating supply voltage range between +2.5V and +5.5V and consume only 48µA per comparator, while achieving 120ns propaga- tion delay. ...

Page 9

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators 5) Calculate R2 as shown. For this example, choose an 8.2kΩ standard value ⎛ ⎞ THR ⎟ − − ⎜ ...

Page 10

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators Zero-Crossing Detector Figure 3 shows a zero-crossing detector application. The MAX987’s inverting input is connected to ground, and its noninverting input is connected to a 100mVp-p signal source. As the signal at the ...

Page 11

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators Typical Application Circuit IN+ IN- MAX98_ MAX99_ REF * MAX988/MAX992/MAX996 ONLY THRESHOLD DETECTOR __________________________________________________Tape-and-Reel Information 1.5 +0.1/-0.0 DIAMETER 2.2 ±0.1 0.5 RADIUS TYPICAL B ...

Page 12

High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 12 ______________________________________________________________________________________ Package Information ...

Page 13

... Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2007 Maxim Integrated Products Package Information (continued BOTTOM VIEW SIDE VIEW is a registered trademark of Maxim Integrated Products, Inc. MILLIMETERS INCHES MAX MIN DIM MIN MAX A - 0.043 - 1 ...

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