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參數(shù)資料
| 型號： | AD53519 |
| 英文描述： | AD53519: Dual Ultrafast Voltage Comparator Preliminary Data Sheet (Rev.PrJ. 8/02) |
| 中文描述： | AD53519：雙超高速電壓比較器的初步數(shù)據(jù)（Rev.PrJ。8月2日） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 592K |
| 代理商： | AD53519 |
PRELIMINARY TECHNICAL DATA
a
Preliminary Technical Data
FEATURES
Robust Input Protection
300 ps Propagation Delay Input to Output
75 ps Propagation Delay Variation
Differential ECL Compatible Outputs
Differential Latch Control
Power Supply Rejection Greater than 70 dB
200ps Minimum Pulse Width (Bandwidth > 2.5
GHz)
5 Gbps Toggle Rate
Typical Output Rise/Fall of 150 ps
APPLICATIONS
Automatic Test Equipment
High Speed Instrumentation
Scope & Logic Analyzers Front End
Window Comparators
High Speed Line Receivers
Threshold Detection
Peak Detection
High Speed Triggers
Patient Diagnostics
Disk Drive Read Channel Detection
Hand-Held Test Instruments
Zero Crossing Detectors
Line Receivers & Signal Restoration
Clock Driver
Upgrade for SPT9689 Designs
Upgrade for AD96687 Designs
Dual Ultrafast
Voltage Comparator
AD53519
REV. Pr J July 22, 2002
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 that 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
Fax: 781/326-8703
Analog Devices, Inc., 2002
www.analog.com
FUNCTIONAL BLOCK DIAGRAM
NONINVERTING
INPUT
INVERTING
INPUT
/Q OUTPUT
Q OUTPUT
LATCH ENABLE
INPUT
/LATCH ENABLE
INPUT
+
-
Figure 1
mode range from –2.0 V to +3.0 V. Outputs are
complementary digital signals fully compatible with ECL 10 K
and 10 KH logic families. The outputs provide sufficient drive
current to directly drive transmission lines terminated in 50
to –2 V. A latch input is included which permits tracking,
track-hold, or sample-hold modes of operation.
The AD53519 is available in a 20-lead PLCC package.
GENERAL DESCRIPTION
The AD53519 is an ultrafast voltage comparator fabricated on
ADI’s proprietary XFCB process. The device features 300 ps
propagation delay with better than 75 ps overdrive dispersion.
Dispersion is a particularly important characteristic of high
speed comparators. It is a measure of the difference in
propagation delay under differing overdrive conditions.
A fast, high precision differential input stage permits consistent
propagation delay with a wide variety of signals in the common
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