Comparators. LM260 Datasheet

LM260 Datasheet PDF


Part LM260
Description Voltage Comparators
Feature Voltage Comparators LM160/LM260/LM360 high speed differential comparator general description feat.
Manufacture National Semiconductor
Datasheet
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LM260
Voltage Comparators
LM160/LM260/LM360 high speed differential comparator
general description
features
The LM160/LM260/LM360 IS a very high speed
differential Input, complementary TTL output
voltage comparator with improved characterIStics
over the JJ.A7601JJ.A760C, 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 overdrive variations of 5 mV
to 500 mV.
Complementary outputs having minimum skew
are provided. Applications Involve high speed
analog to digital convertors and zero·crosslng
detectors In diSC file systems.
• Guaranteed high speed
20ns max
• Tight delay matching on both outputs
• Complementary TTL outputs
• High input impedance
• Low speed variation With overdrive variation
• Fan-out of 4
• Low input offset voltage
• Series 74 TTL compatible
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schematic and connection diagrams
Meta' Can Package
...""'----0 INVERTING
OUTPUT I
'--t------o '"
Order Number LM160H, LM260H, or LM360H
See Package 11
Dual-In-Line Package
v+ OU11 UUTZ GNU
r-tt-l
w+.-)
Order Number LM360N
See Package 20
Dual-In-Line and Flat Packages
"
Order Number LM160D, LM260D or LM360D
See Package 1
Order Number LM160F
See Package 4
1-37



LM260
ab.solute maximum ra't;ings
POSitive Supply Voltage
Negative Supply Voltage
Peak Output Current
Differential Input Voltage
Input Voltage
+BV
-BV
20 mA
±5V
v+ ?V 1N ~ V-
Operating Temperature Range
LM160
LM260
LM360
Storage Temperature Range
Lead Temperature (Soldenng, 10 sec)
-5S0C to +12SoC
-2SoC to +8SoC
aOe to +70°C
-6SoC to +150°C
300"C
electrical characteristics (TM1N ~TA ~TMAX)
PARAMETER
Operating Conditions
Supply Voltage Vee +
Supply Voltage Vee -
Input Offset Voltage
Input Offset Current
Input Bla~ Current
Output Resistance (Either Output)
Response Time
Response Time Difference Between Outputs
(tPd of +V ,N1 1- (tpd Of-V ,N2 )
(tpd of +V ,N2 ) - (tp• of -V ,N1 )
(tPd of +V ,N1 ) - (tpd of +V'N21
(tpd Of-V,N,I- (tpd Of-V ,N2 1
Input Resistance
Input Capacitance
Average Temperature Coefficient of Input
Offset Voltage
Average Temperature CoeffiCient of Input
Offset Current
Common Mode Input Voltage Range
Differential Input Voltage Range
Output High Voltage (Either Output)
Output Low Voltage (Either Output)
POSitive Supply Current
Negative Supply Current
CONDITIONS
Rs ~ 200n
VOUT=VOH
TA =2Soe, Vs =±SV (Note 1)
TA =2Soe, Vs =±SV (Note 2)
TA =2Soe, Vs =±5V (Note 31
TA =25" e, (Note 11
T A =25"e, (Note 1)
TA =25°C, (Note 11
T A =2Soe, (Note 1)
f =1 MH2
f = 1 MHz
Rs = son
Vs =±6.5V
lOUT =-320IlA, Vs =±4.5V
ISINK =6.4 rnA
Vs =±6.5V
Vs =±6.SV
MIN
TYP
MAX
4.5
-45
5
-S
2
.S
S
100
13
12
14
6.5
-6 S
5
3
20
25
20
2
2
2
2
17
3
8
±4
±5
2.4
7
±4.S
3
.25
18
-9
.4
32
-16
UNITS
V
V
mV
/-LA
/-LA
n
ns
ns
ns
ns
ns
ns
ns
kn
pF
/-Lv/oe
nA/oe
V
V
V
V
rnA
rnA
Note 1: Response time measured from the 50% point of a 30 mVp_p 10 MHz sinusoidal input to the 50% point of the ·output.
Note 2: Response time measured from the 50% point of a 2 Vp_p 10 MHz sinusoidal input to the 50% point of the output.
Note 3: 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.
1·38




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