AD8564A Analog Devices, AD8564A Datasheet

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AD8564A

Manufacturer Part Number
AD8564A
Description
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The AD8564 is quad 7 ns comparator with separate input and
output supplies, thus enabling the input stage to be operated
from ± 5 V dual supplies or a +5 V single supply while maintain-
ing a CMOS/TTL-compatible output.
Fast 7 ns propagation delay makes the AD8564 a good choice
for timing circuits and line receivers. Independent analog and
digital supplies provide excellent protection from supply pin
interaction. The AD8564 is pin compatible with the MAX901,
and has lower supply currents.
All four comparators have similar propagation delays. The
propagation delay for rising and falling signals is similar, and
tracks over temperature and voltage. These characteristics
make the AD8564 a good choice for high speed timing and data
communications circuits. For a similar dual comparator with a
latch function, please see the AD8598 data sheet. For a similar
single comparator with latch function, please see the AD8561
data sheet.
The AD8564 is specified over the industrial (–40°C to +85°C)
temperature range. The quad AD8564 is available in the 16-
lead plastic DIP, narrow SO-16 surface mount, and 16-lead
TSSOP packages.
REV. A
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
+5 V Single-Supply Operation
7 ns Propagation Delay
Low Power
Separate Input and Output Sections
TTL and CMOS Logic Compatible Outputs
Wide Output Swing
TSSOP, SOIC and PDIP Packages
APPLICATIONS
High Speed Timing
Line Receivers
Data Communications
High Speed V-to-F Converters
Battery Operated Instrumentation
High Speed Sampling Systems
Window Comparators
Read Channel Detection
PCMCIA Cards
Upgrade for MAX901 Designs
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
16-Lead Narrow Body SO
OUT A
OUT B
V
–IN A
+IN A
+IN B
–IN B
–ANA
GND
(S Suffix)
AD8564
Single Supply Comparator
R-16A
PIN CONFIGURATIONS
OUT A
OUT B
V
–IN A
+IN A
–IN D
+IN D
+IN C
–IN C
+IN B
–IN B
V
OUT D
OUT C
V
–ANA
World Wide Web Site: http://www.analog.com
GND
+ANA
+DIG
16-Lead TSSOP
(RU-Suffix)
1
8
AD8564
RU-16
16
OUT A
OUT B
V
9
+IN A
–IN A
+IN B
–IN B
–ANA
GND
16-Lead Epoxy DIP
© Analog Devices, Inc., 1999
+IN D
V
OUT D
OUT C
+IN C
–IN D
V
–IN C
8
1
2
3
4
5
6
7
+ANA
+DIG
(P Suffix)
+
+
AD8564
AD8564
Quad 7 ns
N-16
+
+
16
15
14
13
12
11
10
9
+IN D
V
OUT D
OUT C
V
+IN C
–IN D
–IN C
+ANA
+DIG

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AD8564A Summary of contents

Page 1

... DIP, narrow SO-16 surface mount, and 16-lead TSSOP packages. REV. A 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 ...

Page 2

AD8564–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 DIGITAL OUTPUTS Logic “1” Voltage Logic “0” Voltage DYNAMIC PERFORMANCE ...

Page 3

... Range AD8564AN –40°C to +85°C AD8564AR –40°C to +85°C AD8564ARU –40°C to +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 AD8564 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

Page 4

Performance Characteristics AD8564 1.000 0.800 0.600 0.400 0.200 0.000 –75 –50 – 100 125 150 TEMPERATURE – C Figure 1. Input Offset Voltage vs. Temperature 500 400 300 200 100 0 –5 –4 –3 –2 ...

Page 5

1.500 1.000 T = – 0.500 0.000 SUPPLY VOLTAGE – DIG Figure 10 Digital Supply ...

Page 6

AD8564 INPUT STAGE AND BIAS CURRENTS The AD8564 uses a PNP differential input stage which 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 7

Spice Model * AD8564 SPICE Macro-Model Typical Values * 8/98, Ver. 1.0 * TAM / ADSC * * Node assignments * noninverting input * | inverting input * | | * | | * | | * | | * ...

Page 8

AD8564 16-Lead Epoxy DIP (N-16) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 0.1574 (4.00) 0.1497 (3.80) 0.0098 (0.25) 0.0040 (0.10) SEATING PLANE 16-Lead Thin Shrink Small Outline (TSSOP) (RU-16) –8– 16-Lead Narrow Body SOIC (R-16A) 0.3937 (10.00) 0.3859 (9.80) ...

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