MAX986 Maxim, MAX986 Datasheet

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MAX986

Manufacturer Part Number
MAX986
Description
The MAX985/MAX986/MAX989/MAX990/MAX993/MAX994 single/dual/quad micropower comparators feature low-voltage operation and rail-to-rail inputs and outputs
Manufacturer
Maxim
Datasheet

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The MAX985/MAX986/MAX989/MAX990/MAX993/
MAX994 single/dual/quad micropower comparators
feature low-voltage operation and rail-to-rail inputs and
outputs. Their operating voltages range 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 11µA of supply cur-
rent while achieving a 300ns propagation delay.
Input bias current is typically 1.0pA, and input offset
voltage 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
MAX985/MAX989/MAX993 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 MAX986/MAX990/MAX994 have
an open-drain output stage that can be pulled beyond
V
are ideal for level translators and bipolar to single-
ended converters.
The single MAX985 is available in a chip-scale pack-
age (UCSP™), significantly reducing the required PC
board area. The single MAX985/MAX986 are available
in 5-pin SC70 packages and the dual MAX989/MAX990
are available in 8-pin SOT23 packages.
19-1229; Rev 4; 1/07
Portable/Battery-
Powered Systems
Mobile Communications
Zero-Crossing Detectors
Window Comparators
Level Translators
UCSP is a trademark and µMAX is a registered trademark of
Maxim Integrated Products, Inc.
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.
CC
MAX985
MAX986
MAX989
MAX990
MAX993
MAX994
to 6V (max) above V
PART
________________________________________________________________ Maxim Integrated Products
COMPARATORS
PER PACKAGE
Micropower, Low-Voltage, UCSP/SC70,
General Description
EE
1
1
2
2
4
4
. These open-drain versions
Threshold Detectors/
Discriminators
Ground/Supply-Sensing
Applications
IR Receivers
Digital Line Receivers
Selector Guide
Applications
Open-Drain
Open-Drain
Open-Drain
Push-Pull
Push-Pull
Push-Pull
OUTPUT
STAGE
Rail-to-Rail I/O Comparators
♦ 11µA Quiescent Supply Current
♦ 2.5V to 5.5V Single-Supply Operation
♦ Common-Mode Input Voltage Range Extends
♦ 300ns Propagation Delay
♦ Push-Pull Output Stage Sinks and Sources
♦ Open-Drain Output Voltage Extends Beyond V
♦ Unique Output Stage Reduces Output Switching
♦ 80µA Supply Current at 1MHz Switching
♦ No Phase Reversal for Overdriven Inputs
♦ Available in Space-Saving Packages:
Ordering Information continued at end of data sheet.
Typical Application Circuit appears at end of data sheet.
____________________________Features
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
MAX985EBT-T
MAX985EXK-T
Pin Configurations continued at end of data sheet.
250mV Beyond the Rails
8mA Current (MAX985/MAX989/MAX993)
(MAX986/MAX990/MAX994)
Current, Minimizing Overall Power Consumption
Frequency
TOP VIEW
(BUMPS ON BOTTOM)
PART
UCSP (MAX985)
SOT23 (MAX985/MAX986/MAX989/MAX990)
µMAX
®
(MAX989/MAX990)
N.C.
IN+
IN-
6 UCSP-6
5 SC70-5
PIN-PACKAGE
Ordering Information
B1
B2
B3
Pin Configurations
MAX985
UCSP
A1
A2
A3
MARK
V
OUT
V
TOP
AAY
ABK
EE
CC
CODE
PKG
B6-1
X5-1
CC
1

Related parts for MAX986

MAX986 Summary of contents

Page 1

... The MAX985/MAX989/MAX993 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 MAX986/MAX990/MAX994 have an open-drain output stage that can be pulled beyond (max) above V ...

Page 2

... CC EE Current into Input Pins ......................................................±20mA IN_-, IN_ .......................................-0. OUT_ MAX985/MAX989/MAX993 ....................-0. MAX986/MAX990/MAX994.....................................-0. OUT_ Short-Circuit Duration Continuous Power Dissipation (T = +70°C) A 5-Pin SC70 (derate 3.1mW/°C above +70°C) ...............247mW 5-Pin SOT23 (derate 7.10mW/°C above +70°C)...........571mW 6-Bump UCSP (derate 3.9mW/° ...

Page 3

... 5. 50pF 200pF L 10mV overdrive MAX985/MAX989/ MAX993 only 100mV overdrive C = 15pF L MAX986/MAX990/ 10mV overdrive MAX994 only 5.1kΩ 100mV overdrive PULLUP 10mV overdrive MAX985/MAX989/ MAX993 only 15pF 100mV overdrive L = +25°C. Limits over the extended temperature range are guar +25° ...

Page 4

Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators __________________________________________Typical Operating Characteristics ( +25°C, unless otherwise noted SUPPLY CURRENT vs. TEMPERATURE 18 V > V IN+ IN ...

Page 5

Micropower, Low-Voltage, UCSP/SC70, ____________________________Typical Operating Characteristics (continued 5V 0V +25°C, unless otherwise noted PROPAGATION DELAY vs. TEMPERATURE 450 V = 50mV OD 440 430 TO V 420 OF FINAL VALUE 410 ...

Page 6

... Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators PIN MAX985 MAX989 MAX986 MAX990 SOT23/ SO/µMAX/ SO UCSP* SC70 — — — — — — — — — — — — — — — — — — — ...

Page 7

... The MAX985/MAX989/MAX993 have a push-pull output structure that sinks as well as sources current. The MAX986/MAX990/MAX994 have an open- drain output stage that can be pulled beyond V absolute maximum of 6V above V EE Input Stage Circuitry The devices’ ...

Page 8

... MAX986 MAX990 V REF MAX994 Figure 2. Additional Hysteresis (MAX986/MAX990/MAX994) 8 _______________________________________________________________________________________ Use the following procedure to calculate resistor values: 1) Select R3 according to the formulas 500µ smaller of the two resulting resistor values. 2) Choose the hysteresis band required (V example, choose 50mV ...

Page 9

... Logic-Level Translator Figure 4 shows an application that converts 5V logic lev- els to 3V logic levels. The MAX986 is powered by the 5V supply voltage, and the pullup resistor for the MAX986’s open-drain output is connected to the 3V supply voltage. This configuration allows the full 5V logic swing without creating overvoltage on the 3V logic inputs ...

Page 10

... Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators Typical Application Circuit IN+ IN- MAX98_ MAX99_ REF *MAX986/MAX990/MAX994 ONLY. THRESHOLD DETECTOR TOP VIEW 1 OUT 5 V N.C. EE IN- MAX985 V 2 MAX986 CC IN IN+ 4 IN- SOT23/SC70 10 ______________________________________________________________________________________ Ordering Information (continued) PART MAX985EUK-T MAX985ESA ...

Page 11

... Micropower, Low-Voltage, UCSP/SC70, (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.) ______________________________________________________________________________________ Rail-to-Rail I/O Comparators Package Information 11 ...

Page 12

... Micropower, Low-Voltage, UCSP/SC70, 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 www.maxim-ic.com/packages.) 12 ______________________________________________________________________________________ Package Information (continued) PACKAGE OUTLINE, 3x2 UCSP 21-0097 ...

Page 13

... FRONT VIEW Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600___________________ 13 © ...

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