el5285i Intersil Corporation, el5285i Datasheet

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el5285i

Manufacturer Part Number
el5285i
Description
Dual 4ns High-speed Comparator
Manufacturer
Intersil Corporation
Datasheet
Dual 4ns High-Speed Comparator
between V
operate from 0.1V below ground for use in ground sensing
applications.
The output side of the comparators can be supplied from a
single supply of 2.7V to 5V. The rail-to-rail output swing
enables direct connection of the comparator to both CMOS
and TTL logic circuits.
The latch input of the EL5285 can be used to hold the
comparator output value by applying a low logic level to the
pin. The EL5285 features two separate comparators
The EL5285 is available in the 14-pin SO package and is
specified for operation over the full -40°C to +85°C
temperature range. Also available are a single (EL5185),
window comparator (EL5287), and quad versions (EL5485
and EL5486).
Pinout
S
+ and V
INA+
INB+
INA-
INB-
VS+
VS-
NC
S
-. For single supplies, the inputs can
1
2
3
4
5
6
7
The EL5285 comparator is designed
for operation in single supply and dual
supply applications with 5V to 12V
(14-PIN SO)
TOP VIEW
EL5285
®
+
-
+
-
1
Data Sheet
14
13
12
11
10
9
8
VSD
OUTA
LATCHA
NC
LATCHB
OUTB
GND
Copyright © Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• 4ns typ. propagation delay
• 5V to 12V input supply
• +2.7V to +5V output supply
• True-to-ground input
• Rail-to-rail outputs
• Active low latch
• Single available (EL5185)
• Window available (EL5287)
• Quad available (EL5485 & EL5486)
• Pin-compatible 8ns family available (EL5x81, EL5283 &
Applications
• Threshold detection
• High speed sampling circuits
• High speed triggers
• Line receivers
• PWM circuits
• High speed V/F converters
Ordering Information
PART NUMBER
EL5285CS
EL5285CS-T7
EL5285CS-T13
EL5482)
January 18, 2002
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
PACKAGE
14-Pin SO
14-Pin SO
14-Pin SO
TAPE & REEL
13”
7”
-
EL5285
PKG. NO.
MDP0027
MDP0027
MDP0027
FN7190

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el5285i Summary of contents

Page 1

Data Sheet Dual 4ns High-Speed Comparator The EL5285 comparator is designed for operation in single supply and dual supply applications with 5V to 12V between V + and V -. For single supplies, the inputs can S S operate ...

Page 2

Absolute Maximum Ratings (T = 25°C) A Analog Supply Voltage ( +12. Digital Supply Voltage ...

Page 3

Typical Performance Curves Supply Current vs Supply Voltage 14 V =-50mV IN R =2.3k ±V Offset Voltage vs Temperature 2.5 2 1.5 1 0.5 0 -0.5 -50 -30 ...

Page 4

Typical Performance Curves Propagation Delay vs Overdrive V =1V IN STEP 4.2 4 3.9 3.8 T 3.7 3.6 3.5 50 100 150 200 250 300 V OD Propagation Delay vs Overdrive V =3V IN STEP 6.8 6.6 ...

Page 5

Typical Performance Curves Propagation Delay vs Load Capacitance V =1V IN STEP 7.5 V =± = =50mV OD R =2.3k 5 ...

Page 6

Pin Descriptions PIN NUMBER PIN NAME 1 VS+ Positive supply current 2 INA+ Positive input, channel A 3 INA- Negative input, channel Not connected 5 INB+ Negative input, channel B 6 INB- Positive input, channel B ...

Page 7

Timing Diagram Latch Enable Input Latch Differenti al Input Voltage Comparator Output Definition of Terms TERM V Input Offset Voltage - Voltage applied between the two input terminals to obtain CMOS logic threshold at the output OS V Input Voltage ...

Page 8

The differential input stage is a pair of PNP transistors, therefore, the input bias current flows out of the device. When either input signal falls below the negative input ...

Page 9

... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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