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MAX999AAUKT

Single/Dual/Quad, Ultra-High-Speed, +3V/+5V, Beyond-the-Rails Comparators

Maxim Integrated 

MAX961–MAX964/

MAX997/MAX999

Single/Dual/Quad, Ultra-High-Speed, +3V/+5V,

Beyond-the-Rails Comparators

General Description

The MAX961–MAX964/MAX997/MAX999 are low-power,

ultra-high-speed comparators with internal hysteresis. These

devices are optimized for single +3V or +5V operation. The

input common-mode range extends 100mV Beyond-the-

Rails™, and the outputs can sink or source 4mA to within

0.52V of GND and VCC. Propagation delay is 4.5ns (5mV

overdrive), while supply current is 5mA per comparator.

The MAX961/MAX963/MAX964 and MAX997 have a

shutdown mode in which they consume only 270μA sup-

ply current per comparator. The MAX961/MAX963 pro-

vide complementary outputs and a latch-enable feature.

Latch enable allows the user to hold a valid comparator

output. The MAX999 is available in a tiny 5-pin SOT23

package. The single MAX961/MAX997 and dual MAX962

are available in space-saving 8-pin μMAX® packages.

Applications

●● Single 3V/5V Systems

●● Portable/Battery-Powered Systems

●● Threshold Detectors/Discriminators

●● GPS Receivers

●● Line Receivers

●● Zero-Crossing Detectors

●● High-Speed Sampling Circuits

Selector Guide

MAX961

1

Yes Yes Yes 8 SO/μMAX

MAX962

2

No

No

No 8 SO/μMAX

MAX963

2

Yes Yes Yes 14 SO

MAX964

4

No Yes No 16 SO/QSOP

MAX997

1

No Yes No 8 SO/μMAX

MAX999

1

No

No

No 5 SOT23

Beyond-the-Rails is a trademark and μMAX is a registered

trademark of Maxim Integrated Products, Inc.

Features

●● Ultra-Fast, 4.5ns Propagation Delay

●● Ideal for +3V and +5V Single-Supply Applications

●● Beyond-the-Rails Input Voltage Range

●● Low, 5mA Supply Current (MAX997/MAX999)

●● 3.5mV Internal Hysteresis for Clean Switching

●● Output Latch (MAX961/MAX963)

●● TTL/CMOS-Compatible Outputs

●● Shutdown Mode

(MAX961/MAX963/MAX964/MAX997)

●● Available in Space-Saving Packages:

• 5-Pin SOT23 (MAX999)

• 8-Pin μMAX (MAX961/MAX962/MAX997)

• 16-Pin QSOP (MAX964)

Ordering Information

PART

PIN-PACKAGE

TOP MARK

MAX961ESA

8 SO

—

MAX961EUA-T

8 µMAX

—

MAX962ESA

8 SO

—

MAX962EUA-T

8 µMAX

—

MAX963ESD

14 SO

—

MAX964ESE

16 Narrow SO

—

MAX964EEE

16 QSOP

—

MAX997ESA

8 SO

—

MAX997EUA-T

8 µMAX

—

MAX999AAUK+T

5 SOT23

+AFEI

MAX999EUK-T

5 SOT23

ACAB

Note: All E grade devices are specified over the -40°C to

+85°C operating temperature range. MAX999AAUK is specified

over the -40°C to +125°C operating temperature range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

Pin Configurations

TOP VIEW

Q1

5 VCC

GND 2 MAX999

IN+ 3

4 IN-

SOT23

Pin Configurations continued at end of data sheet.

19-1129; Rev 7; 9/14

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