EL5181CS ELANTEC [Elantec Semiconductor], EL5181CS Datasheet

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EL5181CS

Manufacturer Part Number
EL5181CS
Description
8ns High-Speed Comparator
Manufacturer
ELANTEC [Elantec Semiconductor]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EL5181CS
Manufacturer:
INTERSIL
Quantity:
20 000
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
© 2001 Elantec Semiconductor, Inc.
Features
Applications
Ordering Information
• 8ns 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
• Dual Available (EL5281C)
• Window Comparator (EL5283C)
• Quad Available (EL5481C &
• Pin-compatible 4ns Family
• Threshold Detection
• High Speed Sampling Circuits
• High Speed Triggers
• Line Receivers
• PWM Circuits
• High Speed V/F Converters
EL5181CS
EL5181CS-T7
EL5181CS-T13
EL5482C)
Available (EL5x85C, EL5287C &
EL5486C)
Part No.
Package
8-Pin SO
8-Pin SO
8-Pin SO
Tape & Reel
13”
7”
-
MDP0027
MDP0027
MDP0027
Outline #
EL5181C
8ns High-Speed Comparator
General Description
The EL5181C comparator is designed for operation in single supply
and dual supply applications with 5V to 12V between V
For single supplies, the inputs can operate from 0.1V below ground for
use in ground sensing applications.
The output side of the comparator can be supplied from a single sup-
ply 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 EL5181C can be used to hold the comparator
output value by applying a low logic level to the pin.
The EL5181C is available in the 8-pin SO package and is specified for
operation over the full -40°C to +85°C temperature range. Also avail-
able are a dual (EL5281C), a window comparator (EL5283C), and
quad versions (EL5481C and EL5482C).
Pin Configuration
VS+
VS-
IN+
IN-
1
2
3
4
EL5181CS
+
-
(8-Pin SO)
A
C
H
L
T
8
7
6
5
OUT
GND
LATCH
VSD
S
+ and V
S
-.

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EL5181CS Summary of contents

Page 1

... The EL5181C is available in the 8-pin SO package and is specified for operation over the full -40°C to +85°C temperature range. Also avail- able are a dual (EL5281C), a window comparator (EL5283C), and quad versions (EL5481C and EL5482C). Pin Configuration VS IN- 3 VS- 4 EL5181CS (8-Pin SO) + and VSD L OUT GND ...

Page 2

EL5181C 8ns High-Speed Comparator Absolute Maximum Ratings Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Analog Supply Voltage (V + ...

Page 3

Typical Performance Curves Positive Supply Current vs Temperature 7.15 7.1 7.05 7 6.95 6.9 6.85 6.8 6.75 6.7 -50 -30 - Temperature (°C) Positive Supply Current vs Supply Voltage 7 V -=- = ...

Page 4

EL5181C 8ns High-Speed Comparator Typical Performance Curves Propagation Delay vs Overdrive 10 V =±5V S 9 =1V Step =2. 6.5 6 5.5 ...

Page 5

Typical Performance Curves Output Low Voltage vs Load Current 0.31 T =85°C 0. =25°C A 0.23 0.19 T =-40° Load Current (mA) Digital Supply Current vs Input Switching Frequency 30 VS=±5V 25 ...

Page 6

EL5181C 8ns High-Speed Comparator Timing Diagram Compare Latch Enable Input Latch Differential Input Voltage V IN Comparator Output Definition of Terms Term V Input Offset Voltage - Voltage applied between the two input terminals to obtain CMOS logic threshold at ...

Page 7

Pin Descriptions Pin Number Pin Name 1 VS+ Positive supply voltage 2 IN+ Positive input 3 IN- Negative input 4 VS- Negative supply voltage 5 LATCH Latch input 6 GND Digital ground 7 OUT Output 8 VSD Digital Supply 8ns ...

Page 8

EL5181C 8ns High-Speed Comparator Applications Information Power Supplies and Circuit Layout The EL5181C comparator operates with single and dual supply with 5V to 12V between V + and V S put side of the comparator is supplied by a single ...

Page 9

------------------- Let the hysteresis and calculate ...

Page 10

EL5181C 8ns High-Speed Comparator output changes state. The non-inverting and inverting inputs may be reversed OUT V - REF Crystal Oscillator A simple crystal oscillator using one comparator of an EL5181C is shown below. The resistors ...

Page 11

EL5181C 8ns High-Speed Comparator General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the cir- cuitry or specifications contained herein at any time ...

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