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Rail-to-Rail, Fault-Protected, SPST Analog Switches

Product Details

Key Features

Parametric specs for Switches and Multiplexers (Mid and High Voltage)
Configuration SPST
# Channels 1
Functions Switch
Normal Position Closed
VSUPPLY (Single) (V) (min) 9
VSUPPLY (Single) (V) (max) 36
VSUPPLY (Dual) (±V) (min) 4.5
VSUPPLY (Dual) (±V) (max) 20
RON (Ω) (max) 75
Package/Pins SOT23/6
Budgetary
Price (See Notes)
1.99
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Simplified Block Diagram

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Parameters

Parametric specs for Switches and Multiplexers (Mid and High Voltage)
Configuration SPST
# Channels 1
Functions Switch
Normal Position Closed
VSUPPLY (Single) (V) (min) 9
VSUPPLY (Single) (V) (max) 36
VSUPPLY (Dual) (±V) (min) 4.5
VSUPPLY (Dual) (±V) (max) 20
RON (Ω) (max) 75
Package/Pins SOT23/6
Budgetary
Price (See Notes)
1.99

Key Features

  • ±40V Fault Protection with Power Off
  • ±36V Fault Protection with ±15V Supplies
  • Switch is Off with Power Removed
  • Rail-to-Rail Signal Handling
  • 160Ω max Signal Paths with ±15V Supplies
  • On-Switch Turns Off with Overvoltage
  • 0.5nA Off-Leakage Current
  • Output Clamped to Appropriate Supply Voltage During Fault Condition; No Transition Glitch
  • No Power-Supply Sequencing Required
  • ±4.5V to ±20V Dual Supplies +9V to +36V Single Supply
  • Low Power Consumption: < 2mW
  • TTL- and CMOS-Compatible Logic Inputs with Single +9V to +15V or ±15V Supplies

Applications/Uses

  • Automated Test Equipment (ATE)
  • Avionics
  • Data Acquisition
  • Industrial and Process Control Systems
  • Redundant/Backup Systems

Description

The MAX4510/MAX4520 single-pole/single-throw (SPST), fault-protected analog switches feature a fault-protected input and rail-to-rail signal-handling capability. The normally open (NO) and normally closed (NC) terminals are protected from overvoltage faults up to 36V during power-on and 44V with power off. During a fault condition, the switch input terminal (NO or NC) becomes an open circuit; only nanoamperes of leakage current flow from the fault source, and the switch output (COM) furnishes up to 13mA of the appropriate polarity supply voltage to the load. This ensures unambiguous rail-to-rail outputs when a fault begins and ends.

On-resistance is 160Ω max. The off-leakage current is only 0.5nA at +25°C and 10nA at +85°C. The MAX4510 is a normally closed switch, while the MAX4520 is a normally open switch. These CMOS switches operate with dual power supplies ranging from ±4.5V to ±20V or a single supply between +9V and +36V.

The digital input has +0.8V and +2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility when using ±15V or a single +12V supply. The MAX4510/MAX4520 are available in 6-pin SOT23 and 8-pin µMAX® packages.

Simplified Block Diagram

MAX4510, MAX4520: Functional Diagram MAX4510, MAX4520: Functional Diagram Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.