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LF13508 반도체 회로 부품 판매점

(LF13509) 8-Channel Analog Multiplexer



National Semiconductor 로고
National Semiconductor
LF13508 데이터시트, 핀배열, 회로
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 b15V
Y Constant ‘‘ON’’ resistance for analog signals between
b11V 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 tOFFe0 2 ms tONe2 ms typ
Y Lower leakage devices available
Functional Diagrams and Truth Tables
LF13508
LF13509
SWITCH
EN A2 A1 A0
ON
HLLL
H L LH
HLHL
H LHH
HHL L
HHLH
H HH L
HHHH
L XXX
S1
S2
S3
S4
S5
S6
S7
S8
NONE
EN A1 A0 SWITCH
PAIR ON
L XX
HLL
HLH
HHL
HHH
None
S1
S2
S3
S4
C1995 National Semiconductor Corporation TL H 5668
TL H 5668 – 1
RRD-B30M115 Printed in U S A


LF13508 데이터시트, 핀배열, 회로
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Positive Supply b Negative Supply (VCCbVEE)
36V
Positive Analog Input Voltage (Note 1)
VCC
Negative Analog Input Voltage (Note 1)
bVEE
Positive Digital Input Voltage
VCC
Negative Digital Input Voltage
b5V
Analog Switch Current
lISlk10 mA
Power Dissipation (PD at 25 C)
(Notes 2 7)
Molded DIP (N) PD
Cavity DIP (D)
PD
Small Outline (SO) PD
500 mW
900 mW
500 mW
Maximum Junction Temperature (TjMAX)
100 C
Operating Temperature Range
0 CsTAs a70 C
Storage Temperature Range
b65 C to a150 C
Lead Temperature
D Package (Soldering 10 seconds)
N Package (Soldering 10 seconds)
300 C
260 C
Surface Mount Package (SO)
Vapor Phase (60 seconds)
Infrared (15 seconds)
215 C
220 C
Electrical Characteristics (Note 3)
Symbol
Parameter
Conditions
RON
‘‘ON’’ Resistance
VOUTe0V ISe100 mA
DRON
RON Match
IS(OFF)
ID(OFF)
ID(ON)
VINH
VINL
IINL
DRON with Analog Voltage
Swing
RON Match Between Switches
Source Current in ‘‘OFF’’
Condition
Drain Current in ‘‘OFF’’
Condition
Leakage Current in ‘‘ON’’
Condition
Digital ‘‘1’’ Input Voltage
Digital ‘‘0’’ Input Voltage
Digital ‘‘0’’ Input Current
b10VsVOUTsa10V ISe100 mA
VOUTe0V ISe100 mA
Switch ‘‘OFF’’ VSe11 VDeb11
(Note 4)
Switch ‘‘OFF’’ VSe11 VDeb11
(Note 4)
Switch ‘‘ON’’ VDe11V (Note 4)
VINe0 7V
IINL(EN)
Digital ‘‘0’’ Enable Current
VENe0 7V
tTRAN
tOPEN
tON(EN)
tOFF(EN)
ISO(OFF)
CT
CS(OFF)
CD(OFF)
ICC
Switching Time of Multiplexer
Break-Before-Make
Enable Delay ‘‘ON’’
Enable Delay ‘‘OFF’’
‘‘OFF’’ Isolation
Crosstalk
Source Capacitance (‘‘OFF’’)
Drain Capacitance (‘‘OFF’’)
Positive Supply Current
(Figure 1) (Note 5)
(Figure 3)
(Figure 2)
(Figure 2)
(Note 6)
LF13509 Series (Note 6)
Switch ‘‘OFF’’ VOUTe0V
VSe0V
Switch ‘‘OFF’’ VOUTe0V
VSe0V
All Digital Inputs Grounded
IEE
Negative Supply Current
All Digital Inputs Grounded
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
TAe25 C
LF13508
LF13509
Min Typ Max
380 650
500 850
0 01 1
20 150
5
0 09 50
20
0 6 500
20
1 500
20
07
1 5 30
40
1 2 30
40
18
16
16
02
b66
b66
22
11 4
7 4 12
7 9 15
27 5
28 6
Units
X
X
%
X
nA
nA
nA
nA
nA
nA
V
V
mA
mA
mA
mA
ms
ms
ms
ms
dB
dB
pF
pF
mA
mA
mA
mA
2




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LF13508 multiplexer

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