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AD53042 の電気的特性と機能

AD53042のメーカーはAnalog Devicesです、この部品の機能は「High Speed Window Comparator」です。


製品の詳細 ( Datasheet PDF )

部品番号 AD53042
部品説明 High Speed Window Comparator
メーカ Analog Devices
ロゴ Analog Devices ロゴ 




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AD53042 Datasheet, AD53042 PDF,ピン配置, 機能
a
High Speed Window Comparator
AD53042
FEATURES
–2 V to +7 V Input Voltage Range
Low VIN Bias Current (<100 nA)
Up to 5 V/ns Input Signal Tracking
Low Dispersion of ؎100 ps
28-Lead PLCC Package
APPLICATIONS
Automatic Test Equipment
Semiconductor Test Systems
Board Test Systems
FUNCTIONAL BLOCK DIAGRAM
GND
LEA LEA NC +VS NC GND
GND
VA
NC
VIN
NC
VB
GND
LATCH/OUTPUT
A
AD53042
LATCH/OUTPUT
B
GND
QA
QA
DGND
QB
QB
GND
GND
LEB LEB NC NC –VS GND
NOTE:
NOT THE ACTUAL PHYSICAL LAYOUT OF DEVICE.
NC = NO CONNECTION INSIDE PACKAGE.
PRODUCT DESCRIPTION
The AD53042 is an ultrahigh speed window comparator
with latch. It uses a high speed monolithic process to provide
high dc accuracy without sacrificing input voltage range.
On-chip connection of the common input eliminates the
contributions of a second bonding pad and package pin to
the input capacitance, resulting in a maximum input
capacitance of 2 pF.
The AD53042 employs a high precision differential input
stage with a common mode range of 9 V. Its complementary
digital outputs are fully ECL-compatible. The output stage is
capable of driving a 50 line terminated to –2 V. The device
also provides a latch function, allowing operation in track-hold
mode and can also be used to generate hysteresis.
3.0V
0V
MIN. POSITIVE
INPUT PULSE
2.8V
3.0V
MIN. NEGATIVE
INPUT PULSE
0.2V
0V
Figure 1. Typical Application Circuit
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999

1 Page





AD53042 pdf, ピン配列
AD53042
ABSOLUTE MAXIMUM RATINGS*
Power Supply Voltage
+VS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +12 V
–VS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –8 V
+VS to –VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +17 V
Inputs
VIN, VA, VB . . . . . . . . . . . . . . . +VS – 13.5 V, –VS + 13.7 V
LEA, LEA, LEB, LEB . . . . . . . . . +VS – 14 V, –VS +10 V
Currents
+VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 mA
–VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –75 mA
QA, QA, QB, QB . . . . . . . . . . . . . . . . . . –40 mA to +2 mA
Environmental
Operating Temperature (Ambient) . . . . . . . . 0°C to +70°C
Storage Temperature . . . . . . . . . . . . . . . . –65°C to +125°C
Lead Temperature (Soldering, 20 sec) . . . . . . . . . . . +300°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Absolute maximum limits apply
individually, not in combination. Exposure to absolute maximum rating condi-
tions for extended periods may affect device reliability.
The device must suffer no reliability degradation if any supply pin is either shorted
to ground or left floating for an indefinite periods of time during normal operation.
ORDERING GUIDE
Model
AD53042KRP
Package
Description
28-Lead PLCC
Shipment Method,
Quantity
Per Shipping
Container
Package
Option
Tube, 36 Pieces
P-28A
PIN CONFIGURATION
4 3 2 1 28 27 26
GND 5
VINA 6
NC 7
VINAB 8
NC 9
VINB 10
GND 11
PIN 1
IDENTIFIER
AD53042
TOP VIEW
(Not to Scale)
25 GND
24 QA
23 QA
22 DGND
21 QB
20 QB
19 GND
12 13 14 15 16 17 18
NC = NO CONNECT
VA
VB
VIN
tPDR
tPDF
QA
QA tPDR
QB
tPDF
QB
Figure 2. Timing Diagram I
LEA, LEB
LEA, LEB
VIN
VA
VB
QA
~1.2ns
QA
QB
QB
Figure 3. Timing Diagram II
If either of the latch enables, LEA or LEB are low, the output
follows the input. If LEA or LEB are high, the comparator out-
puts will be latched and they won’t change.
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 AD53042 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
REV. A
–3–


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