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DG417LEUA+T 数据手册 - Maxim Integrated（美信）
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Maxim Integrated（美信）
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接口芯片
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uMAX-8
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DG417LEUA+T数据手册
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For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
DG417L/DG418L/DG419L
35Ω, SPST/SPDT, +3V
Logic-Compatible Analog Switches
________________________________________________________________ Maxim Integrated Products 1
19-2170; Rev 0; 10/01
General Description
The DG417L/DG418L/DG419L precision, CMOS ana-
log switches feature low on-resistance (R
ON
= 35Ω),
guaranteed R
ON
matching between switches (3Ω
max), and guaranteed R
ON
flatness over the signal
range (4Ω max). These switches are +3V logic-com-
patible when powered from ±15V or ±12V supplies.
The switches conduct equally well in either direction,
and feature low charge injection and low power con-
sumption. The DG417L/DG418L/DG419L also offer low
off-leakage current over temperature (less than 5nA at
+85°C).
The DG417L/DG418L are single-pole/single-throw
(SPST) switches. The DG417L is normally closed, and
the DG418L is normally open. The DG419L is single-
pole/double-throw (SPDT) with one normally closed
switch and one normally open switch. Switching times
are less than 175ns for t
ON
and less than 185ns for
t
OFF
. These devices operate with a single +9V to +36V
or bipolar ±4.5V to ±20V supplies.
The digital input has a +0.8V logic-low threshold and a
+2.0V logic-high threshold, ensuring +3V TTL and
CMOS-logic compatibility. The DG417L/DG418L/
DG419L are available in a tiny 8-pin µMAX, 8-pin SO,
or convenient 8-pin plastic DIP. All products are rated
at the extended temperature range of -40°C to +85°C.
________________________Applications
Sample-and-Hold Circuits Communications Systems
Test Equipment Battery-Operated Systems
Modems Fax Machines
Guidance and Control Systems PBX, PABX
Audio Signal Routing Military Radios
____________________________Features
♦ +3V Logic-Compatible Digital Inputs
V
IH
= 2.0V
V
IL
= 0.8V
♦ Plug-In Upgrades for Industry-Standard
DG417/DG418/DG419 and
MAX317/MAX318/MAX319
♦ Power-Supply Sequencing-Free Operation
♦ Low On-Resistance (35Ω max)
♦ Guaranteed Matched On-Resistance Between
Channels (3Ω max)
♦ Guaranteed On-Resistance Flatness (4Ω max)
♦ Single-Supply Operation +9V to +36V
Dual-Supply Operation ±4.5V to ±20V
♦ Guaranteed Off-Leakage Current Over
Temperature (<5nA at +85°C)
♦ Rail-to-Rail Analog Signal Handling Capability
♦ Tiny 8-Pin µMAX Package
TOP VIEW
1
2
3
4
8
7
6
5
NO
V-
IN
N.C.
V+
GND
N.C.
COM
DIP/SO/µMAX
1
2
3
4
8
7
6
5
NC
V-
IN
N.C.
V+
GND
N.C.
COM
DIP/SO/µMAX
1
2
3
4
8
7
6
5
NO
V-
IN
N.C.
V+
GND
NC
COM
DIP/SO/µMAX
LOGIC SWITCH
0
1
ON
OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT
LOGIC SWITCH
0
1
OFF
ON
LOGIC NC
0
1
ON
OFF
NO
OFF
ON
DG417L DG418L
DG419L
N.C. = NO CONNECT
NC = NORMALLY CLOSED
DG417L
DG419L
DG418L
Pin Configurations/Functional Diagrams/Truth Tables
PART
DG417LEUA
-40°C to +85°C
TEMP. RANGE PIN-PACKAGE
8 µMAX
Ordering Information
Ordering Information continued at end of data sheet.
Rail-to-Rail is a registered trademark of Nippon Motorola, Inc.
DG417LDY -40°C to +85°C 8 SO
DG417LDJ -40°C to +85°C 8 Plastic DIP
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