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DG423DK

Description
Analog Switch ICs
CategoryAnalog mixed-signal IC    The signal circuit   
File Size130KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DG423DK Overview

Analog Switch ICs

DG423DK Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeDIP
package instruction0.300 INCH, CERDIP-16
Contacts16
Reach Compliance Codenot_compliant
Analog Integrated Circuits - Other TypesSPDT
JESD-30 codeR-GDIP-T16
JESD-609 codee0
Maximum negative supply voltage (Vsup)-20 V
Negative supply voltage minimum (Vsup)-4.5 V
Nominal Negative Supply Voltage (Vsup)-15 V
normal positionNO/NC
Number of channels1
Number of functions2
Number of terminals16
Nominal off-state isolation72 dB
On-state resistance matching specifications3 Ω
Maximum on-state resistance (Ron)45 Ω
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
outputSEPARATE OUTPUT
Package body materialCERAMIC, GLASS-SEALED
encapsulated codeDIP
Encapsulate equivalent codeDIP16,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)225
power supply5,+-15 V
Certification statusNot Qualified
Maximum seat height5.08 mm
Maximum supply voltage (Vsup)20 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)15 V
surface mountNO
Maximum disconnect time200 ns
Maximum connection time250 ns
switchBREAK-BEFORE-MAKE
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.62 mm
Base Number Matches1
19-0137; Rev 1; 3/94
Improved Low-Power,
CMOS Analog Switches with Latches
_______________General Description
Maxim’s redesigned DG421/DG423/DG425 monolithic
analog switches now feature guaranteed on-resistance
matching (3Ω max) between switches and on-resistance
flatness over the signal range (4Ω max). These low on-
resistance switches (20Ω typ) conduct equally well in both
directions. They guarantee a low charge injection of 15pC
maximum and an ESD tolerance of 2000V minimum per
Method 3015.7. Off leakage current over temperature has
also been reduced (less than 5nA at +85°C).
The DG421/DG423/DG425 are precision, dual CMOS
switches with latchable logic inputs that simplify inter-
facing with microprocessors (µPs). The single-pole/single-
throw DG421 and double-pole/single-throw DG425 are
normally open dual switches. The dual, single-
pole/double-throw DG423 has two normally open and
two normally closed switches. Fast switching times
(175ns for t
ON
and 145ns for t
OFF
) and low power
consumption (35µW max) make these parts ideal for
battery-powered applications requiring µP-compatible
switches. Operation is from a single +10V to +30V supply,
or bipolar ±4.5V to ±20V supplies. Fabricated with the
same 44V silicon-gate process, these switches have
rail-to-rail signal handling capabilities.
______________________New Features
o
Plug-In Upgrades for Industry-Standard
DG421/DG423/DG425
o
Improved r
(DS)ON
Match Between Channels (3Ω max)
o
Guaranteed r
FLAT(ON)
Over Signal Range (4Ω max)
o
Improved Charge Injection (15pC max)
o
Improved Off Leakage Current Over Temperature
(<5nA at +85°C)
o
Withstands Electrostatic Discharge (2000V min)
per Method 3015.7
DG421/DG423/DG425
__________________Existing Features
o
Low r
DS(ON)
(35Ω max)
o
Single-Supply Operation +10V to +30V
Bipolar-Supply Operation ±4.5V to ±20V
o
Low Power Consumption (35µW max)
o
Rail-to-Rail Signal Handling Capability
o
TTL/CMOS-Logic Compatible
______________Ordering Information
PART
DG421CJ
DG421CY
DG421C/D
DG421DJ
DG421DY
DG421DK
DG421AK
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
PIN-PACKAGE
16 Plastic DIP
16 SO
Dice*
16 Plastic DIP
16 SO
16 CERDIP
16 CERDIP**
_______________________Applications
Sample-and-Hold Circuits
Fax Machines
Battery-Operated Systems
Guidance and Control Systems
Audio Signal Routing
Modems
Test Equipment
PBX, PABX
Military Radios
Communication Systems
Ordering Information continued at end of data sheet.
* Contact factory for dice specifications.
**Contact factory for availability and processing to MIL-STD-883B.
__Functional Diagrams/Truth Tables
S1
WR
IN1
D
IN2
D
RS
S2
CK
R
Q
D2
CK
R
Q
DG421 TRUTH TABLE
WR RS IN
SWITCH
D1
_________________Pin Configurations
TOP VIEW
D1 1
WR 2
N.C. 3
N.C. 4
N.C. 5
N.C. 6
RS 7
D2 8
16 S1
15 IN1
14 V-
DG421
13 GND
12 V
L
11 V+
10 IN2
9
S2
DG421
0
1
0
1
Off
On
LOGIC "O"
0.8V
LOGIC "1"
2.4V
SWITCHES SHOWN FOR
LOGIC "1" INPUT
TWO SPST SWITCHES
PER PACKAGE
Functional Diagrams/Truth Tables continued at end of data sheet.
DIP
N.C. = No Internal Connection
Pin Configurations continued at end of data sheet.
1
________________________________________________________________
Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
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