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National Semiconductor Electronic Components Datasheet

LM360 Datasheet

High Speed Differential Comparator

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May 1999
LM160/LM360
High Speed Differential Comparator
General Description
The LM160/LM360 is a very high speed differential input,
complementary TTL output voltage comparator with im-
proved characteristics over the µA760/µA760C, for which it
is a pin-for-pin replacement. The device has been optimized
for greater speed, input impedance and fan-out, and lower
input offset voltage. Typically delay varies only 3 ns for over-
drive variations of 5 mV to 400 mV.
Complementary outputs having minimum skew are provided.
Applications involve high speed analog to digital convertors
and zero-crossing detectors in disk file systems.
Features
n Guaranteed high speed: 20 ns max
n Tight delay matching on both outputs
n Complementary TTL outputs
n High input impedance
n Low speed variation with overdrive variation
n Fan-out of 4
n Low input offset voltage
n Series 74 TTL compatible
Connection Diagrams
Metal Can Package
Dual-In-Line Package
DS005707-4
Order Number LM160H/883 (Note 1) or LM360H
See NS Package Number H08C
Note 1: Also available in SMD# 5962-8767401
DS005707-5
Order Number LM360M or LM360N
See NS Package Number M08A or N08E
© 1999 National Semiconductor Corporation DS005707
www.national.com


National Semiconductor Electronic Components Datasheet

LM360 Datasheet

High Speed Differential Comparator

No Preview Available !

Absolute Maximum Ratings (Notes 6, 8)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Positive Supply Voltage
Negative Supply Voltage
Peak Output Current
Differential Input Voltage
Input Voltage
ESD Tolerance (Note 9)
Operating Temperature Range
LM160
LM360
+8V
−8V
20 mA
±5V
V+ VIN V
1600V
−55˚C to +125˚C
0˚C to +70˚C
Storage Temperature Range
−65˚C to +150˚C
Lead Temperature
(Soldering, 10 sec.)
260˚C
Soldering Information
Dual-In-Line Package
Soldering (10 seconds)
260˚C
Small Outline Package
Vapor Phase (60 seconds)
215˚C
Infrared (15 seconds)
220˚C
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
Electrical Characteristics
(TMIN TA TMAX)
Parameter
Conditions
Min Typ Max
Operating Conditions
Supply Voltage VCC+
Supply Voltage VCC−
Input Offset Voltage
Input Offset Current
RS 200
4.5 5 6.5
−4.5 −5 −6.5
25
0.5 3
Input Bias Current
5 20
Output Resistance (Either Output)
Response Time
Response Time Difference between Outputs
VOUT = VOH
TA = 25˚C, VS = ±5V (Notes 2, 7)
TA = 25˚C, VS = ±5V (Notes 3, 7)
TA = 25˚C, VS = ±5V (Notes 4, 7)
100
13 25
12 20
14
(tpd of +VIN1) − (tpd of −VIN2)
(tpd of +VIN2) − (tpd of −VIN1)
(tpd of +VIN1) − (tpd of +VIN2)
(tpd of −VIN1) − (tpd of −VIN2)
Input Resistance
TA = 25˚C (Notes 2, 7)
TA = 25˚C (Notes 2, 7)
TA = 25˚C (Notes 2, 7)
TA = 25˚C (Notes 2, 7)
f = 1 MHz
2
2
2
2
17
Input Capacitance
f = 1 MHz
3
Average Temperature Coefficient of
Input Offset Voltage
RS = 50
8
Average Temperature Coefficient of
7
Input Offset Current
Common Mode Input Voltage Range
Differential Input Voltage Range
VS = ±6.5V
±4 ±4.5
±5
Output High Voltage (Either Output)
Output Low Voltage (Either Output)
Positive Supply Current
Negative Supply Current
IOUT = −320 µA, VS = ±4.5V
ISINK = 6.4 mA
VS = ±6.5V
VS = ±6.5V
2.4 3
0.25
0.4
18 32
−9 −16
Note 2: Response time measured from the 50% point of a 30 mVp-p 10 MHz sinusoidal input to the 50% point of the output.
Note 3: Response time measured from the 50% point of a 2 Vp-p 10 MHz sinusoidal input to the 50% point of the output.
Note 4: Response time measured from the start of a 100 mV input step with 5 mV overdrive to the time when the output crosses the logic threshold.
Note 5: Typical thermal impedances are as follows:
Units
V
V
mV
µA
µA
ns
ns
ns
ns
ns
ns
ns
k
pF
µV/˚C
nA/˚C
V
V
V
V
mA
mA
Cavity DIP (J):
Molded DIP (N):
θjA 135˚C/W
θjA 130˚C/W
Header (H)
Note 6: The device may be damaged if used beyond the maximum ratings.
Note 7: Measurements are made in AC Test Circuit, Fanout = 1
Note 8: Refer to RETS 160X for LM160H, LM160J-14 and LM160J military specifications.
θjA
θjC
165˚C/W
67˚C/W
25˚C/W
(Still Air)
(400 LF/min Air Flow)
www.national.com
2


Part Number LM360
Description High Speed Differential Comparator
Maker National Semiconductor
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LM360 Datasheet PDF





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