1
FN7024
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
EL2018
Fast, High Voltage Comparator with
Transparent Latch
The EL2018 represents a quantum
leap forward in comparator speed,
accuracy and functionality.
Manufactured with Elantec's proprietary Complementary
Bipolar process, this device uses fast PNP and NPN
transistors in the signal path. A unique circuit design gives
the inputs the ability to handle large common mode and
differential mode signals, yet retain high speed and excellent
accuracy. Careful design of the front end insures the part
maintains speed and accuracy when operating with a mix of
small and large signals. The three-state output stage is
designed to be TTL compatible for any power supply
combination, yet it draws a constant current and does not
generate glitches. When the output is disabled, the supply
current consumption drops by 50%, but the input stage and
latch remain active.
Elantec facilities comply with MIL-I-45208A and other
applicable quality specifications. For information on Elantec's
processing, see QRA1: Elantec's Processing-Monolithic
Products.
Features
Fast response time--20ns
Wide input differential voltage range--24V to 15V
supplies
Precision input stage--V
OS
= 1mV
Low input bias current--I
B
= 100nA
Low input offset current--I
OS
= 30nA
4.5V to 18V supplies
Three-State TTL and CMOS compatible output
No supply current glitch during switching
High voltage gain--40V/mV
50% power reduction in shutdown mode
Input and latch remain active in shutdown mode
P/N compatible with industry standard comparators
Applications
Analog to digital converters
ATE pin receiver
Precision crystal oscillators
Zero crossing detector
Window detector
Pulse width modulation generator
"Go/no-go" detector
Ordering Information
PART
NUMBER
TEMP.
RANGE
PACKAGE
PKG. NO.
EL2018CN
-40C to +85C
8-Pin PDIP
MDP0031
Pinout
EL2018
(8-PIN PDIP)
TOP VIEW
Data Sheet
December 1995, Rev. G
OBS
OLE
TE P
ROD
UCT
NO R
ECO
MME
NDE
D RE
PLA
CEM
ENT
cont
act o
ur Te
chni
cal S
uppo
rt Ce
nter
at
1-88
8-INT
ERS
IL or
www
.inte
rsil.c
om/t
sc
2
Absolute Maximum Ratings
(T
A
= 25C)
V
S
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
V
IN
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +V
S
to -V
S
V
IN
Differential Input Voltage . . . . Limited only by Power Supplies
I
IN
Input Current (Pins 1, 2 or 3) . . . . . . . . . . . . . . . . . . . . 10mA
I
INS
Input Current (Pins 5 or 6) . . . . . . . . . . . . . . . . . . . . . . . 5mA
P
D
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . .1.25W
The maximum power dissipation depends on package type, ambient
temperature and heat sinking. See the Typical Performance curves for more
details.
I
OP
Peak Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
I
O
Continuous Output Current . . . . . . . . . . . . . . . . . . . . . . 25mA
T
A
Operating Temperature Range . . . . . . . . . . . . -40C to +85C
T
J
Operating Junction Temperature
Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . 150C
T
ST
Storage Temperature . . . . . . . . . . . . . . . . . . -65C to +150C
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: T
J
= T
C
= T
A
DC Electrical Specifications
V
S
= 15V unless otherwise specified
PARAMETER
DESCRIPTION
TEMP
MIN
TYP
MAX
UNITS
V
OS
Input Offset Voltage (Note 1)
V
CM
= 0V, V
O
= 1.4V
25C
1.0
5
mV
T
MIN
, T
MAX
7
mV
I
B
Input Bias Current
V
CM
= 0V, Pin 2 or 3
25C
100
400
nA
T
MIN
, T
MAX
600
nA
I
OS
Input Offset Current
V
CM
= 0V
25C
30
150
nA
T
MIN
, T
MAX
250
nA
CMRR
Common Mode Rejection Ratio (Note 2)
25C
85
105
dB
T
MIN
, T
MAX
80
dB
PSRR
Power Supply Rejection Ratio (Note 3)
25C
85
100
dB
T
MIN
, T
MAX
77
dB
V
CM
Common Mode Input Range
25C
12
13
V
T
MIN
, T
MAX
12
V
A
V
Voltage Gain
V
OUT
= 0.8V to 2.0V
25C
15
40
V/mV
T
MIN
, T
MAX
10
V/mV
V
OL
Output Voltage Logic Low
I
OL
= 0mA to 8mA
25C
-0.05
0.15
0.4
V
T
MIN
, T
MAX
-0.1
0.4
V
V
OH
Output Voltage Logic High
V
S
= 15V
25C
3.5
4.0
4.65
V
V
S
= 15V
T
MIN
, T
MAX
3.5
4.65
V
V
S
= 5V
25C
2.4
V
V
S
= 5V
T
MIN
2.4
V
V
S
= 5V
T
MAX
2.4
V
V
ODIS1
V
OUT
Range, Disabled, I
OL
= -1mA
V
S
= 15V
25C
4.65
V
V
S
= 15V
T
MIN
, T
MAX
4.65
V
V
S
= 5V
25C
3.5
V
V
ODIS2
V
OUT
Range, Disabled, I
OL
= 1 mA, V
S
= 5V to 15V
ALL
-0.3
-1
V
V
INH
LE or CS Inputs
Logic High Input Voltage
25C
2.0
V
T
MIN
, T
MAX
2.2
V
EL2018
3
V
INL
LE or CS Inputs
Logic Low Input Voltage
25C
0.8
V
T
MIN
, T
MAX
0.8
V
I
IN
LE or CS Inputs
Logic Input Current, V
IN
= 0V to 5V
25C
200
A
T
MIN
, T
MAX
300
A
I
S+EN
Positive Supply Current
Enabled
25C
8.4
12
mA
T
MIN
, T
MAX
13
mA
I
S+DIS
Positive Supply Current
Disabled
25C
4.7
6
mA
T
MIN
, T
MAX
7
mA
I
S-EN
Negative Supply Current
Enabled
25C
13.0
17
mA
T
MIN
, T
MAX
18
mA
I
S-DIS
Negative Supply Current
Disabled
25C
5.0
6.5
mA
T
MIN
, T
MAX
6.5
mA
NOTES:
1. V
OUT
= 1.4V.
2. V
CM
= 12V to -12V.
3. V
S
= 5V to 15V.
AC Electrical Specifications
V
S
= 15V, T
A
= 25C
PARAMETER
DESCRIPTION
MIN
TYP
MAX
UNITS
T
PD
Propagation Delay, 5mV Overdrive
20
40
ns
T
S
Setup Time
6
12
ns
T
H
Hold Time
-2
0
ns
T
UN
Unlatch Time
23
40
ns
T
MPW
Minimum Clock Pulse Width
12
ns
T
EN
Output Three-State Enable Delay
40
70
ns
T
DIS
Output Three-State Disable Delay
150
300
ns
DC Electrical Specifications
V
S
= 15V unless otherwise specified (Continued)
PARAMETER
DESCRIPTION
TEMP
MIN
TYP
MAX
UNITS
EL2018
4
Typical AC Performance Curves
Propagation Delay (-)
5mV Overdrive
Propagation Delay
vs Overdrive
Propagation Delay
vs Temperature
Propagation Delay vs
Load Capacitance
Propagation Delay
vs Input Step
Enabled/Disabled Time
vs Temperature
EL2018
5
Typical AC Performance Curves
(Continued)
Input Bias Current vs
Differential Input Voltage
Input Bias Current
vs Temperature
CMRR vs Frequency
Open-Loop Gain
vs Frequency
V
O
/V
I
Transfer
Characteristic
V
OUT
vs Temperature
EL2018
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