LM360MX/NOPB [NSC]
IC COMPARATOR, 5000 uV OFFSET-MAX, 14 ns RESPONSE TIME, PDSO8, SOP-8, Comparator;型号: | LM360MX/NOPB |
厂家: | National Semiconductor |
描述: | IC COMPARATOR, 5000 uV OFFSET-MAX, 14 ns RESPONSE TIME, PDSO8, SOP-8, Comparator 比较器 |
文件: | 总7页 (文件大小:233K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
May 1999
LM160/LM360
High Speed Differential Comparator
General Description
Features
n Guaranteed high speed: 20 ns max
n Tight delay matching on both outputs
n Complementary TTL outputs
n High input impedance
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.
n Low speed variation with overdrive variation
n Fan-out of 4
n Low input offset voltage
Complementary outputs having minimum skew are provided.
Applications involve high speed analog to digital convertors
and zero-crossing detectors in disk file systems.
n Series 74 TTL compatible
Connection Diagrams
Metal Can Package
Dual-In-Line Package
DS005707-4
DS005707-5
Order Number LM160H/883 (Note 1) or LM360H
Order Number LM360M or LM360N
See NS Package Number M08A or N08E
See NS Package Number H08C
Note 1: Also available in SMD# 5962-8767401
© 1999 National Semiconductor Corporation
DS005707
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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.
Storage Temperature Range
Lead Temperature
−65˚C to +150˚C
260˚C
(Soldering, 10 sec.)
Soldering Information
Dual-In-Line Package
Soldering (10 seconds)
Small Outline Package
Vapor Phase (60 seconds)
Infrared (15 seconds)
Positive Supply Voltage
Negative Supply Voltage
Peak Output Current
Differential Input Voltage
Input Voltage
+8V
−8V
260˚C
20 mA
215˚C
220˚C
±
5V
V+ ≥ VIN ≥ V−
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
ESD Tolerance (Note 9)
Operating Temperature Range
LM160
1600V
−55˚C to +125˚C
0˚C to +70˚C
LM360
Electrical Characteristics
(TMIN ≤ TA ≤ TMAX
)
Parameter
Operating Conditions
Conditions
Min
Typ
Max
Units
+
Supply Voltage VCC
Supply Voltage VCC
Input Offset Voltage
Input Offset Current
Input Bias Current
4.5
5
−5
2
6.5
−6.5
5
V
V
−
−4.5
RS ≤ 200Ω
mV
µA
µA
Ω
0.5
5
3
20
=
Output Resistance (Either Output)
Response Time
VOUT VOH
100
13
12
14
=
=
=
=
±
±
±
TA 25˚C, VS
5V (Notes 2, 7)
5V (Notes 3, 7)
5V (Notes 4, 7)
25
20
ns
ns
ns
=
TA 25˚C, VS
=
TA 25˚C, VS
Response Time Difference between Outputs
=
(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)
2
2
ns
ns
=
TA 25˚C (Notes 2, 7)
=
TA 25˚C (Notes 2, 7)
2
ns
=
TA 25˚C (Notes 2, 7)
2
ns
=
=
f
f
1 MHz
1 MHz
17
3
kΩ
Input Capacitance
pF
=
Average Temperature Coefficient of
Input Offset Voltage
RS 50Ω
8
µV/˚C
Average Temperature Coefficient of
Input Offset Current
7
nA/˚C
=
±
±
±
±
Common Mode Input Voltage Range
Differential Input Voltage Range
Output High Voltage (Either Output)
Output Low Voltage (Either Output)
Positive Supply Current
VS
6.5V
4
5
4.5
3
V
V
=
=
±
IOUT −320 µA, VS
4.5V
2.4
V
=
ISINK 6.4 mA
0.25
18
0.4
32
V
=
=
±
±
VS
VS
6.5V
6.5V
mA
mA
Negative Supply Current
−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:
Cavity DIP (J):
θ
θ
135˚C/W
130˚C/W
Header (H)
θ
165˚C/W
67˚C/W
25˚C/W
(Still Air)
(400 LF/min Air Flow)
jA
jA
jA
Molded DIP (N):
θ
jC
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.
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2
Electrical Characteristics (Continued)
Note 9: Human body model, 1.5 kΩ in series with 100 pF.
Typical Performance Characteristics
Offset Voltage
Input Current vs Ambient
Input Characteristics
Temperature
DS005707-8
DS005707-10
DS005707-9
Supply Current vs Ambient
Temperature
Propagation Delay vs
Ambient Temperature
Delay of Output 1 With
Respect to Output 2 vs
Ambient Temperature
DS005707-11
DS005707-12
DS005707-13
Common-Mode
Pulse Response
DS005707-14
3
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AC Test Circuit
DS005707-3
=
=
=
±
VIN 50 mV
FANOUT 1 FANOUT 4
V+ +5V
R
C
2.4k
R
C
630Ω
=
=
=
=
=
V− −5V
=
15 pF
30 pF
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4
Schematic Diagram
DS005707-1
5
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Physical Dimensions inches (millimeters) unless otherwise noted
Metal Can Package (H)
Order Number LM160H/883 or LM360H
NS Package Number H08C
Molded Dual-In-Line Package (M)
Order Number LM360M
NS Package Number M08A
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6
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
Molded Dual-In-Line Package (N)
Order Number LM360N
NS Package Number N08E
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