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參數(shù)資料
| 型號(hào)： | LF13508 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 8-Channel Analog Multiplexer |
| 中文描述： | 8通道模擬多路復(fù)用器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 334K |
| 代理商： | LF13508 |
TL/H/5668
L
L
January 1995
LF13508 8-Channel Analog Multiplexer
LF13509 4-Channel Differential Analog Multiplexer
General Description
The LF13508 is an 8-channel analog multiplexer which con-
nects the output to 1 of the 8 analog inputs depending on
the state of a 3-bit binary address. An enable control allows
disconnecting the output, thereby providing a package se-
lect function.
This device is fabricated with National’s BI-FET technology
which provides ion-implanted JFETs for the analog switch
on the same chip as the bipolar decode and switch drive
circuitry. This technology makes possible low constant
‘‘ON’’ resistance with analog input voltage variations. This
device does not suffer from latch-up problems or static
charge blow-out problems associated with similar CMOS
parts. The digital inputs are designed to operate from both
TTL and CMOS levels while always providing a definite
break-before-make action.
The LF13509 is a 4-channel differential analog multiplexer.
A 2-bit binary address will connect a pair of independent
analog inputs to one of any 4 pairs of independent analog
outputs. The device has all the features of the LF13508
series and should be used whenever differential analog in-
puts are required.
Features
Y
JFET switches rather than CMOS
Y
No static discharge blow-out problem
Y
No SCR latch-up problems
Y
Analog signal range 11V,
b
15V
Y
Constant ‘‘ON’’ resistance for analog signals between
b
11V and 11V
Y
‘‘ON’’ resistance 380
X
typ
Y
Digital inputs compatible with TTL and CMOS
Y
Output enable control
Y
Break-before-make action: t
OFF
e
0.2
m
s; t
ON
e
2
m
s typ
Y
Lower leakage devices available
Functional Diagrams and Truth Tables
LF13508
EN
A2
A1
A0
SWITCH
ON
H
H
H
H
H
H
H
H
L
L
L
L
L
H
H
H
H
X
L
L
H
H
L
L
H
H
X
L
H
L
H
L
H
L
H
X
S1
S2
S3
S4
S5
S6
S7
S8
NONE
LF13509
EN
A1
A0
SWITCH
PAIR ON
L
H
H
H
H
X
L
L
H
H
X
L
H
L
H
None
S1
S2
S3
S4
TL/H/5668–1
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LF13508D | 8-Channel Analog Multiplexer |
| LF13508M | 8-Channel Analog Multiplexer |
| LF13508N | 8-Channel Analog Multiplexer |
| LF13741 | MONOLITHIC JFET INPUT OPERATIONAL AMPLIFIER |
| LF13741H | MONOLITHIC JFET INPUT OPERATIONAL AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LF13508D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LF13508M | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Channel Analog Multiplexer |
| LF13508N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Channel Analog Multiplexer |
| LF13508N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Channel Analog Multiplexer |
| LF13509 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Channel Analog Multiplexer |
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