DG419L Maxim, DG419L Datasheet

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DG419L

Manufacturer Part Number
DG419L
Description
The DG417L/DG418L/DG419L precision, CMOS analog switches feature low on-resistance (RON = 35Ω), guaranteed RON matching between switches (3Ω max), and guaranteed RON flatness over the signal range (4Ω max)
Manufacturer
Maxim
Datasheet

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The DG417L/DG418L/DG419L precision, CMOS ana-
log switches feature low on-resistance (R
guaranteed R
max), and guaranteed R
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
t
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
19-2170; Rev 0; 10/01
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.
OFF
Sample-and-Hold Circuits
Test Equipment
Modems
Guidance and Control Systems
Audio Signal Routing
. These devices operate with a single +9V to +36V
TOP VIEW
ON
N.C. = NO CONNECT
NC = NORMALLY CLOSED
COM
________________________________________________________________ Maxim Integrated Products
N.C.
GND
V+
matching between switches (3Ω
1
2
3
4
General Description
DIP/SO/µMAX
LOGIC
1
0
ON
ON
DG417L
DG417L
and less than 185ns for
flatness over the signal
Logic-Compatible Analog Switches
SWITCH
Communications Systems
Battery-Operated Systems
Fax Machines
PBX, PABX
Military Radios
Pin Configurations/Functional Diagrams/Truth Tables
OFF
ON
8
7
6
5
NC
V-
IN
N.C.
COM
N.C.
GND
ON
SWITCHES SHOWN FOR LOGIC "0" INPUT
V+
1
2
3
4
= 35Ω),
DIP/SO/µMAX
LOGIC
0
1
DG418L
DG418L
SWITCH
OFF
ON
o +3V Logic-Compatible Digital Inputs
o Plug-In Upgrades for Industry-Standard
o Power-Supply Sequencing-Free Operation
o Low On-Resistance (35Ω max)
o Guaranteed Matched On-Resistance Between
o Guaranteed On-Resistance Flatness (4Ω max)
o Single-Supply Operation +9V to +36V
o Guaranteed Off-Leakage Current Over
o Rail-to-Rail Analog Signal Handling Capability
o Tiny 8-Pin µMAX Package
Ordering Information continued at end of data sheet.
Rail-to-Rail is a registered trademark of Nippon Motorola, Inc.
____________________________Features
8
7
6
5
DG417LEUA
DG417LDY
DG417LDJ
DG417/DG418/DG419 and
MAX317/MAX318/MAX319
Channels (3Ω max)
Dual-Supply Operation ±4.5V to ±20V
Temperature (<5nA at +85°C)
NO
V-
IN
N.C.
35Ω, SPST/SPDT, +3V
V
V
PART
IH
IL
= 0.8V
= 2.0V
COM
GND
NC
V+
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
LOGIC
1
0
1
2
3
4
Ordering Information
DIP/SO/µMAX
DG419L
DG419L
NC
OFF
ON
8
7
6
5
OFF
NO
ON
NO
V-
IN
N.C.
8 µMAX
8 SO
8 Plastic DIP
PIN-PACKAGE
1

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DG419L Summary of contents

Page 1

... 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. ...

Page 2

... +16.5V -16.5V = ±15.5V V COM V = +15.5V ( +16. -16.5V DG417L = ±15.5V V DG418L COM V = +15. DG417L V+ = +16.5V DG418L -16.5V = ±15.5V V COM = ±15.5V DG419L V (NC or NO) = +70° +25°C.) (Notes MIN TYP MAX +25° MIN MAX +25°C 0 ...

Page 3

... V D G419L 5pF, L Figure 20Hz to 20kHz, 5Vp-p THD R = 600Ω L NO(OFF 1MHz, Figure 7 NC(OFF 1MHz, Figure 7 DG417L f = 1MHz, DG418L Figure 8 DG419L = +25°C.) (Notes MIN TYP MAX A +25°C 110 175 250 MIN MAX +25°C 105 185 T ...

Page 4

... ELECTRICAL CHARACTERISTICS—Single +12V Supply (V+ = +12V 2.0V 0.8V PARAMETER SYMBOL ANALOG SWITCH V NO Analog Signal Range On-Resistance On-Resistance Matching Between Channels (DG419L Only) On-Resistance Flatness R FLAT (ON) (Note 4) 4 _______________________________________________________________________________________ = unless otherwise noted. Typical values are MIN MAX CONDITIONS V ...

Page 5

... L Figure 10V 10V 300Ω DG419L TRANS 35pF L Figure +10V 300Ω DG419L 35pF L Figure GEN GEN 1nF, Figure Single supply +13. +13. ...

Page 6

SPST/SPDT, +3V Logic-Compatible Analog Switches __________________________________________Typical Operating Characteristics (T = +25°C, unless otherwise noted.) A ON-RESISTANCE V (DUAL SUPPLIES) VS. COM ± ±10V ±12V ...

Page 7

Logic-Compatible Analog Switches ____________________________Typical Operating Characteristics (continued +25°C, unless otherwise noted.) A OFF-LEAKAGE CURRENTS vs. TEMPERATURE 16. -16. ±15V V COM +36V 0.1 V ...

Page 8

... INPUT 0 t TRANS V SWITCH OUT1 0 OUTPUT V OUT2 Figure 2. DG419L Transition Time 8 _______________________________________________________________________________________ FUNCTION Analog Switch Common Terminal No Connection. Not internally connected. Logic Ground Analog Signal Positive Supply Input IN Logic-Level Input V- Analog Signal Negative Supply Input Analog Switch Normally Closed Terminal ...

Page 9

... The older DG417/DG418/DG419 devices require a proper power-supply sequence of V ______________________________________Test Circuits/Timing Diagrams (continued) +3V LOGIC INPUT 0 V COM t D Figure 3. DG419L Break-Before-Make Interval V OUT IN OFF ON ON OFF ∆ OUT IN DEPENDS ON SWITCH CONFIGURATION; INPUT POLARITY DETERMINED BY SENSE OF SWITCH. ...

Page 10

... Test Circuits/Timing Diagrams (continued) DG417L DG418L DG419L SIGNAL GENERATOR 0dBm N. 2. 2.4V IN NETWORK ANALYZER V- 10nF V- Figure 6. DG419L Crosstalk DG417L DG418L DG419L N. CAPACITANCE 2.4V METER f = 1MHz 10nF V- V- Figure 8. Channel On-Capacitance ______________________Chip Information PIN-PACKAGE TRANSISTOR COUNT µMAX ...

Page 11

Logic-Compatible Analog Switches ________________________________________________________Package Information ______________________________________________________________________________________ 35Ω, SPST/SPDT, +3V 11 ...

Page 12

SPST/SPDT, +3V Logic-Compatible Analog Switches ___________________________________________Package Information (continued) 12 ______________________________________________________________________________________ ...

Page 13

... Logic Compatible Analog Switches ___________________________________________Package Information (continued) Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...

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