AD8561AR Analog Devices Inc, AD8561AR Datasheet

IC COMPARATOR SNGL 7NS 8-SOIC

AD8561AR

Manufacturer Part Number
AD8561AR
Description
IC COMPARATOR SNGL 7NS 8-SOIC
Manufacturer
Analog Devices Inc
Type
General Purposer
Datasheet

Specifications of AD8561AR

Output Type
CMOS, Complementary, TTL
Mounting Type
Surface Mount
Rohs Status
RoHS non-compliant
Number Of Elements
1
Voltage - Supply
3 V ~ 10 V, ±1.5 V ~ 5 V
Package / Case
8-SOIC (0.154", 3.90mm Width)
Comparator Type
High Speed
No. Of Comparators
1
Response Time
8ns
Amplifier Case Style
SOIC
No. Of Pins
8
Single Supply Voltage Min (+v)
3V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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a
GENERAL DESCRIPTION
The AD8561 is a single 7 ns comparator with separate input and
output sections. Separate supplies enable the input stage to be
operated from 5 V dual supplies and +5 V single supplies.
Fast 7 ns propagation delay makes the AD8561 a good choice
for timing circuits and line receivers. Propagation delays for
rising and falling signals are closely matched and track over
temperature. This matched delay makes the AD8561 a good
choice for clock recovery, since the duty cycle of the output will
match the duty cycle of the input.
The AD8561 has the same pinout as the LT1016, with lower
supply current and a wider common-mode input range, which
includes the negative supply rail.
The AD8561 is specified over the industrial (–40 C to +85 C)
temperature range. The AD8561 is available in both the 8-lead
plastic DIP, 8-lead TSSOP or narrow SO-8 surface mount
packages.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
FEATURES
7 ns Propagation Delay at 5 V
Single Supply Operation: 3 V to 10 V
Low Power
Latch Function
TSSOP Packages
APPLICATIONS
High Speed Timing
Clock Recovery and Clock Distribution
Line Receivers
Digital Communications
Phase Detectors
High Speed Sampling
Read Channel Detection
PCMCIA Cards
Upgrade for LT1016 Designs
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
8-Lead Narrow Body SO
V
V
IN
IN
AD8561
Single Supply Comparator
(SO-8)
PIN CONFIGURATIONS
OUT
OUT
GND
LATCH
World Wide Web Site: http://www.analog.com
V
V
IN
IN
8-Lead TSSOP
1
4
AD8561
(RU-8)
8
5
Ultrafast 7 ns
V
V
8-Lead Plastic DIP
IN
IN
© Analog Devices, Inc., 1998
OUT
OUT
GND
LATCH
1
2
3
4
AD8561
AD8561
(N-8)
8
7
6
5
OUT
OUT
GND
LATCH

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AD8561AR Summary of contents

Page 1

FEATURES 7 ns Propagation Delay Single Supply Operation Low Power Latch Function TSSOP Packages APPLICATIONS High Speed Timing Clock Recovery and Clock Distribution Line Receivers Digital Communications Phase Detectors High Speed ...

Page 2

AD8561–SPECIFICATIONS ELECTRICAL SPECIFICATIONS Parameter INPUT CHARACTERISTICS Offset Voltage Offset Voltage Drift Input Bias Current Input Offset Current Input Common-Mode Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Input Capacitance LATCH ENABLE INPUT Logic “1” Voltage Threshold Logic “0” Voltage ...

Page 3

ELECTRICAL SPECIFICATIONS Parameter INPUT CHARACTERISTICS Offset Voltage Offset Voltage Drift Input Bias Current Input Offset Current Input Common-Mode Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Input Capacitance LATCH ENABLE INPUT Logic “1” Voltage Threshold Logic “0” Voltage Threshold ...

Page 4

... Range AD8561AN – +85 C AD8561ARU – +85 C AD8561AR – +85 C CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD8561 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

Page 5

Typical Performance Characteristics 5 +125 5V, SINGLE SUPPLY S 4 – + –2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 DIFFERENTIAL INPUT VOLTAGE – mV Figure 1. Output Voltage vs. ...

Page 6

AD8561 0.5 0.4 0 – +125 SINK CURRENT – mA Figure 10. Output Low Voltage vs. ...

Page 7

APPLICATIONS OPTIMIZING HIGH SPEED PERFORMANCE As with any high speed comparator or amplifier, proper design and layout techniques should be used to ensure optimal perfor- mance from the AD8561. The performance limits of high speed circuitry can easily be a ...

Page 8

AD8561 INPUT STAGE AND BIAS CURRENTS The AD8561 uses a PNP differential input stage that enables the input common-mode range to extend all the way from the negative supply rail to within 2 the positive supply rail. The ...

Page 9

SPICE Model * AD8561 SPICE Macro-Model Typical Values * 4/98, Ver. 1.0 * TAM / ADSC * * Node assignments * non-inverting input * | inverting input * | | * | | * | | * | | * ...

Page 10

AD8561 GSY1 99 52 POLY(1) (99,50) 4E-3 -2.6E-4 GSY2 52 50 POLY(1) (99,50) 3.7E-3 -.6E-3 RSY Gain Stage Av=250 fp=100MHz * (12,98) 0. 1000 10E-13 D2 ...

Page 11

REV. 0 OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) 0.300 (7.62) 0.060 (1.52) PIN 1 ...

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