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Part Number: ADG849

 

MFG: ADI

 

D/C: 09

Description: The ADG849 is a monolithic, CMOS SPDT (single pole, double throw) switch that operates with a supply r...


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ADG849 General Description


The ADG849 is a monolithic, CMOS SPDT (single pole, double throw) switch that operates with a supply range of 1.8 V to 5.5 V. It is designed to offer ultralow on-resistance values of typically 0.5 Ω. This design makes the ADG849 an ideal solution for applications that require minimal distortion through the switch. The ADG849 also has the capability of carrying large amounts of current, typically 600 mA at 5 V operation.

Each switch of the ADG849 conducts equally well in both directions when on. The device exhibits break-before-make switching action, thus preventing momentary shorting when switching channels.

The ADG849 is available in a tiny, 6-lead SC70 package, making it the ideal candidate for space-constrained applications.

ADG849 Maximum Ratings

Parameter Rating
VDD to GND
Analog Inputs1

Digital Inputs1

Peak Current, S or D

Continuous Current, S or D
Operating Temperature Range
   Extended
   Storage Temperature Range
   Junction Temperature
SC70 Package
   JA Thermal Impedance
   JC Thermal Impedance
Reflow Soldering
   Peak Temperature
   Time at Peak Temperature

0.3 V to +7 V
0.3 V to VDD + 0.3 V or 30 mA, whichever occurs first
0.3 V to VDD + 0.3 V or 30 mA, whichever occurs first
600 mA (pulsed at 1 ms,
10% duty cycle maximum)
400 mA

40°C to +125°C
65°C to +150°C
+150°C

332°C/W
120°C/W

260(0/5)°C
10 sec to 40 sec

ADG849 Features

Ultralow on-resistance:
    0.5 Ω typical
    0.8 Ω maximum at 5 V supply
Excellent audio performance, ultralow distortion:
    0.13 Ω typical
    0.24 Ω maximum RON flatness
High current carrying capability:
    400 mA continuous current
    600 mA peak current at 5 V
Automotive temperature range: 40°C to +125°C
Rail-to-rail operation
Typical power consumption (<0.01 µW)
Pin-compatible upgrade for the ADG749 and ADG779
 

ADG849 Typical Application

Cellular phones
PDAs
Battery-powered systems
Audio and video signal routing
Modems
PCMCIA cards
Hard drives
Relay replacement

ADG849 Connection Diagram

ADG849  Connection Diagram

ADG849 datasheet

ADG849
PDF/DataSheet Download

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