max9687cse Maxim Integrated Products, Inc., max9687cse Datasheet

max9687cse

Manufacturer Part Number

max9687cse

Description

Dual, Ultra-fast Ecl-output Comparator

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX9687CSE.pdf (4 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

MAX9687CSE

Manufacturer:

MAXIM/美信

Quantity:

20 000

Current page: 1 of 4
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The MAX9687 is a dual, ultra-fast ECL comparator

manufactured with a high-frequency bipolar process

This design maintains the excellent DC matching char-

acteristics normally found only in slower comparators.

The MAX9687 is pin-compatible with the AD9687 and

Am6687, but exceeds their AC characteristics.

The MAX9687 has differential inputs and complemen-

tary outputs that are fully compatible with ECL-logic lev-

els. Output current levels are capable of driving 50

terminated transmission lines. The ultra-fast operation

makes signal processing possible at frequencies in

excess of 600MHz.

A latch-enable (LE) function is provided to allow the

comparator to be used in a sample/hold or track/hold

mode. The latch-enable inputs are designed to be dri-

ven from the complementary outputs of a standard ECL

gate. When LE is high and

functions normally. When LE is forced low and

high, the comparator outputs are locked in the logical

states determined by the input conditions at the time of

the latch transition. If the latch-enable function is not

used on either of the two comparators, the appropriate

LE input must be connected to ground; the companion

–

—

________________________Applications

19-2400; Rev 1; 7/93

________________Functional Diagram

Call toll free 1-800-998-8800 for free samples or literature.

_______________General Description

NONINVERTING

–

THE OUTPUTS ARE OPEN EMITTERS, REQUIRING EXTERNAL PULL-DOWN

RESISTORS. THESE RESISTORS MAY BE IN THE RANGE OF 50

CONNECTED TO -2.0V, OR 240

INVERTING

= 6GHz) capable of very short propagation delays.

input can be left open.

INPUT

High-Speed A/D Converters

High-Speed Line Receivers

Peak Detectors

Threshold Detectors

High-Speed Triggers

LATCH ENABLE

R L

________________________________________________________________ Maxim Integrated Products

Dual, Ultra-Fast ECL-Output Comparator

R L

Q OUT

– 2000

Q OUT

R L

–

—

–

CONNECTED TO -5.2V.

is low, the comparator

R L

LATCH ENABLE

NONINVERTING

– 200

INVERTING

INPUT

–

—

–

____________________________Features

* Contact factory for availability of 20-pin PLCC.

** Contact factory for dice specifications.

___________________Pin Configuration

MAX9687CPE

MAX9687CSE

MAX9687CJE

MAX9687C/D

MAX9687EPE

MAX9687ESE

MAX9687MJE

______________Ordering Information

1.4ns Propagation Delay

0.5ns Latch Setup Time

2.0ns Latch-Enable Pulse Width

+5V, -5.2V Power Supplies

Pin-Compatible with AD9687, Am6687, SP9687

Available in Commercial, Extended-Industrial,

and Military Temperature Ranges

Available in Narrow SO Package

TOP VIEW

PART

Q OUT

INA+

GND

INA-

LEA

V-

-40°C to +85°C

-55°C to +125°C

TEMP. RANGE

0°C to +70°C

DIP/SO

16 Plastic DIP

16 Narrow SO

16 CERDIP

Dice**

16 Plastic DIP

16 Narrow SO

16 CERDIP

Q OUT

GND

LEB

V+

INB-

INB+

PIN-PACKAGE*

Related parts for max9687cse

max9687cse Summary of contents

Page 1

... Power Supplies Pin-Compatible with AD9687, Am6687, SP9687 Available in Commercial, Extended-Industrial, and Military Temperature Ranges Available in Narrow SO Package ______________Ordering Information PART MAX9687CPE – — – MAX9687CSE MAX9687CJE MAX9687C/D MAX9687EPE MAX9687ESE MAX9687MJE * Contact factory for availability of 20-pin PLCC. ** Contact factory for dice specifications. ...

Page 2

Dual, Ultra-Fast ECL-Output Comparator ABSOLUTE MAXIMUM RATINGS Supply Voltages.....................................................................±6V Output Short-Circuit Duration (Note 1) ..........................Indefinite Input Voltages........................................................................±5V Differential Input Voltages .....................................................3.5V Output Current ....................................................................30mA Continuous Power Dissipation (T = +70°C) A Plastic DIP (derate 10.53mW/°C above +70°C) ...........842mW Narrow SO ...

Page 3

Dual, Ultra-Fast ECL-Output Comparator SWITCHING CHARACTERISTICS (V = ±5V +25°C, unless otherwise noted PARAMETER SYMBOL Input to Output High t pd+ (Notes 2, 3) Input to Output Low t pd- (Notes 2, 3) Latch-Enable to Output ...

Page 4

Dual, Ultra-Fast ECL-Output Comparator minimum slew-rate requirements. The tendency of the part to oscillate is a function of the layout and source impedance of the circuit employed. Both poor layout and larger source impedance will increase the mini- mum slew-rate ...

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