DG445DY+ Maxim Integrated Products, DG445DY+ Datasheet

IC SWITCH QUAD SPST 16SOIC

DG445DY+

Manufacturer Part Number
DG445DY+
Description
IC SWITCH QUAD SPST 16SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.DG445DJ.pdf (10 pages)

Specifications of DG445DY+

Function
Switch
Circuit
4 x SPST - NO
On-state Resistance
85 Ohm
Voltage Supply Source
Single, Dual Supply
Voltage - Supply, Single/dual (±)
10 V ~ 30 V, ±4.5 V ~ 20 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Maxim’s redesigned DG444/DG445 analog switches
now feature on-resistance matching (4Ω max) between
switches and guaranteed on-resistance flatness over
the signal range (9Ω max). These low on-resistance
switches conduct equally well in either direction. They
guarantee low charge injection (10pC max), low power
consumption (35µW max), and an electrostatic dis-
charge (ESD) tolerance of 2000V (min) per Method
3015.7. The new design offers lower off-leakage current
over temperature (less than 5nA at +85°C).
The DG444/DG445 are quad, single-pole/single-throw
(SPST) analog switches. The DG444 has four normally
closed switches and the DG445 has four normally open
switches. Switching times are less than 250ns for t
and less than 70ns for t
+10V to +30V supply, or bipolar ±4.5V to ±20V sup-
plies. Maxim’s improved DG444/DG445 continue to be
fabricated with a 44V silicon-gate process.
________________________Applications
19-4705; Rev 4; 6/04
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.
Sample-and-Hold Circuits
Test Equipment
Heads-Up Displays
Guidance and Control
Systems
Military Radios
Pin Configurations continued at end of data sheet.
TOP VIEW
________________________________________________________________ Maxim Integrated Products
Improved, Quad, SPST Analog Switches
General Description
OFF
GND
IN1
IN4
D4
D1
S1
S4
V-
. Operation is from a single
Communication Systems
Battery-Operated Systems
PBX, PABX
Audio Signal Routing
Modems/Faxes
1
2
3
4
5
6
7
8
Pin Configurations/Functional Diagrams/Truth Tables
LOGIC
1
0
DIP/SO
DG444
DG444
SWITCH
OFF
ON
16
15
14
13
12
11
10
9
IN2
D2
S2
V+
V
S3
D3
IN3
SWITCHES SHOWN FOR LOGIC "0" INPUT
L
ON
GND
♦ Plug-In Upgrades for Industry-Standard DG444/DG445
♦ Improved R
♦ Guaranteed R
♦ Improved Charge Injection (10pC max)
♦ Improved Off-Leakage Current Over Temperature
♦ Withstand ESD (2000V min)
♦ Low R
♦ Single-Supply Operation +10V to +30V
♦ Low Power Consumption (35µW max)
♦ Rail-to-Rail Signal Handling
♦ TTL/CMOS-Logic Compatible
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
S1
S4
V-
DG444CJ
DG444CY
DG444C/D
DG444DJ
DG444DY
(< 5nA at +85°C)
per Method 3015.7
Bipolar-Supply Operation ±4.5V to ±20V
1
2
3
4
PART
D1
D4
16
DS(ON)
5
IN4
Thin QFN
IN1
15
6
ON
DG444
FLAT(ON)
(85Ω max)
Match Between Channels (4Ω max)
IN3
IN2
14
-40°C to +85°C
-40°C to +85°C
7
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
Ordering Information
D3
D2
13
8
Over Signal Range (9Ω max)
Existing Features
12
11
10
9
S2
V+
V
S3
New Features
L
PIN-PACKAGE
16 Plastic DIP
16 Narrow SO
Dice*
16 Plastic DIP
16 Narrow SO
1

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DG445DY+ Summary of contents

Page 1

... D4 IN4 8 LOGIC Pin Configurations continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products 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. ♦ Plug-In Upgrades for Industry-Standard DG444/DG445 ♦ Improved R ♦ Guaranteed R ♦ Improved Charge Injection (10pC max) ♦ ...

Page 2

Improved, Quad, SPST Analog Switches ABSOLUTE MAXIMUM RATINGS (Voltage Referenced to V-) V+........................................................................................44V GND ....................................................................................25V V ..................................................(GND - 0.3V) to (V+ + 0.3V) L Digital Inputs (Note 1).......(V- - 2V) to (V+ + 2V) or 30mA S ...

Page 3

Improved, Quad, SPST Analog Switches ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = 15V -15V 5V, GND = PARAMETER SYMBOL SWITCH Power-Supply Range V+, V- Positive Supply Current I+ Negative Supply Current I- Logic Supply ...

Page 4

Improved, Quad, SPST Analog Switches ELECTRICAL CHARACTERISTICS—Single Supply (V+ = 12V 5V, GND = INH PARAMETER SYMBOL SWITCH Analog Signal Range V (Note 3) ANALOG Drain-Source V+ = 10.8V DS(ON) ...

Page 5

Improved, Quad, SPST Analog Switches (T = +25°C, unless otherwise noted.) A ON-RESISTANCE vs AND UNIPOLAR-SUPPLY VOLTAGE 150 125 V+ = 10V 100 V+ = 15V 20V ...

Page 6

Improved, Quad, SPST Analog Switches _____________________Pin Description PIN NAME DIP/SO THIN QFN 1, 16 15, 14 IN1–IN4 2, 15, 10, 7 16, 13 D1–D4 3, 14 S1–S4 4 ...

Page 7

Improved, Quad, SPST Analog Switches V OUT IN OFF ON DG444 OFF ∆V × C OUT DG445 Figure 3. Charge Injection +15V 10nF SIGNAL V+ GENERATOR 10dBm 50Ω GEN NETWORK S ANALYZER GND ...

Page 8

Improved, Quad, SPST Analog Switches Pin Configurations/Functional Diagrams (continued) TOP VIEW IN1 DG445 5 GND IN4 DIP/SO LOGIC _______________________________________________________________________________________ IN2 15 D2 ...

Page 9

Improved, Quad, SPST Analog Switches (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) _______________________________________________________________________________________ Package Information 9 ...

Page 10

... 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. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2004 Maxim Integrated Products Package Information (continued) ...

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