DG470 VISHAY [Vishay Siliconix], DG470 Datasheet

DG470

Manufacturer Part Number

DG470

Description

High Voltage, Single and Dual Supply SPDT Analog Switch with Enable Pin

Manufacturer

VISHAY [Vishay Siliconix]

Datasheet

1.DG470.pdf (9 pages)

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DESCRIPTION

The DG469/470 are high voltage SPDT switches, with a

typical on resistance of 3.6 Ω and typical flatness of 0.4 Ω.

The DG469 and DG470 are identical, except the DG470

provides an enable input. When the enable input is activated,

both sides of the switch are in a high impedance mode (Off),

maintaining a "Safe State" at power up. This function can

also be used as a quick "disconnect" in the event of a fault

condition. For audio switching, the enable pin provides a

mute function. These are high voltage switches that are fully

specified with dual supplies at ± 4.5 V and ± 15 V and a

single supply of 12 V over an operating temperature range

from - 40 °C to + 125 °C. Fast switching speeds coupled with

high signal bandwidth makes these parts suitable for video

switching applications. All digital inputs have 0.8 V and 2.4 V

logic

compatibility. Each switch conducts equally well in both

directions when on and can handle an input signal range that

extends to the supply voltage rails. They exhibit break-

before-make switching action to prevent momentary shorting

when switching between channels. The DG469 and DG470

are offered in a MSOP 8 and SOIC 8 package.

FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION

Document Number: 71470

S-72541-Rev. C, 17-Dec-07

TRUTH TABLE: DG469

thresholds

High Voltage, Single and Dual Supply SPDT Analog Switch

Logic

COM

GND

V+

ensuring

MSOP 8 and SOIC 8

DG469

TOP VIEW

OFF

low

voltage

V-

TTL/CMOS

OFF

with Enable Pin

FEATURES

APPLICATIONS

•

• On resistance flatness (0.4 Ω typical)

• 44 V supply maximum rating

• ± 15 V analog signal range

• Fully specified at supply voltages of ± 4.5 V, 12 V and ± 15 V

•

• Audio and video signal switching

• Precision automatic test equipment

• Precision data acquisition

• Relay replacement

• Communications systems

• Automotive applications

• Sample and hold systems

• Power routing applications

• Telecom signal switching

• Medical equipment

• Portable and battery power systems

TRUTH TABLE: DG470

Low on resistance (3.6 Ω typical)

TTL/CMOS compatible

Break before make switching guaranteed

Total harmonic distortion 0.0145 %

ENABLE

COM

GND

V+

MSOP 8 and SOIC 8

Logic

DG470

TOP VIEW

OFF

Vishay Siliconix

DG469/470

V-

www.vishay.com

OFF

RoHS

COMPLIANT

Related parts for DG470

DG470 Summary of contents

Page 1

... The DG469/470 are high voltage SPDT switches, with a typical on resistance of 3.6 Ω and typical flatness of 0.4 Ω. The DG469 and DG470 are identical, except the DG470 provides an enable input. When the enable input is activated, both sides of the switch are in a high impedance mode (Off), maintaining a " ...

Page 2

... ± Full V Under Test = 0.8 V Full IN V Under Test = 2.4 V Full MHz Room Part Number DG469EQ-T1-E3 DG470EQ-T1-E3 DG469EY-T1-E3 DG470EY-T1-E3 Limit 120 30 200 - 65 to 150 320 400 - 40 to 125 ° ° Typ Min Max ...

Page 3

SPECIFICATIONS FOR DUAL SUPPLIES Parameter Symbol Dynamic Characteristics t Turn-On Time ON t Turn-Off Time OFF Break-Before-Make t D Time Delay e Charge Injection Q e OIRR Off Isolation Channel-to-Channel X TALK e Crosstalk e C Source Off Capacitance S(off) ...

Page 4

DG469/470 Vishay Siliconix SPECIFICATIONS FOR UNIPOLAR SUPPLIES Parameter Symbol Analog Switch e V Analog Signal Range ANALOG r On-Resistance ON Δr On-Resistance Match ON r On-Resistance Flatness FLATNESS Dynamic Characteristics t Turn-On Time ON t Turn-Off Time OFF Break-Before-Make t ...

Page 5

TYPICAL CHARACTERISTICS Analog Voltage (V) COM On-Resistance vs. V and Dual Supply Voltage 125 ° ...

Page 6

DG469/470 Vishay Siliconix TYPICAL CHARACTERISTICS 200 150 100 100 - 150 - 200 ...

Page 7

... V+ - Supply Voltage (V) Switching Threshold vs. Signal Supply Voltage ± ± 100 1000 10000 Frequency (Hz) DG469, DG470 Total Harmonic Distortion OFF Logic input waveform is inverted for switches that have the opposite logic sense control ...

Page 8

DG469/470 Vishay Siliconix TEST CIRCUITS V+ V+ COM GND - (includes fixture and stray capacitance) L VINH or VINL Switch under test IN NO VINH NC VINL IN ...

Page 9

Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description ...

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