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Above- and Below-the-Rails Low On-Resistance Analog Switches

±25V Above- and Below-the-Rails Switches Simplify Supplies

Product Details

The MAX14759/MAX14761/MAX14763 analog switches are capable of passing bipolar signals that are beyond their supply rails. These devices operate from a single +3.0V to +5.5V supply and support signals in the -25V to +25V range.

The MAX14759 is a single-pole/single-throw (SPST) analog switch, while the MAX14761 is a dual-SPST analog switch. The MAX14763 is a single-pole/double-throw (SPDT) analog switch.

The MAX14759 features 1Ω (max) on-resistance with a ±200nA (max) on-leakage current. The MAX14761/MAX14763 feature 2Ω (max) on-resistance with a ±100nA (max) on-leakage current. The low on-resistance and high bandwidth allow use in digital- and analog-signal switching applications.

The MAX14759/MAX14763 are available in an 8-pin (3mm x 3mm) TDFN package. The MAX14761 is available in a 10-pin (3mm x 3mm) TDFN package. These devices are specified over the -40°C to +85°C extended temperature range.

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Key Features

  • Simplify Power-Supply Requirements
    • +3.0V to +5.5V Supply Range
    • -25V to +25V Signal Range
  • High Performance
    • Low 1Ω (max) or 2Ω (max) On-Resistance
    • Low 2.4mΩ (typ) and 5.1mΩ (typ) RON Flatness
    • 500mA (max) Switch Current for MAX14759
    • Thermal Shutdown Protection
    • -40°C to +85°C Operating Temperature Range
    • High Bandwidth: 100MHz (typ) Insertion Loss
    • High-ESD Protection Up to 2kV
  • Save Board Space
    • Small 8-Pin and 10-Pin TDFN Packages

Applications/Uses

  • ATE Systems
  • Audio Signal Routing and Switching
  • CAN Bus Termination Switching
  • Industrial Measurement Systems
  • Instrumentation Systems
  • Medical Systems
  • Opto-Relay Replacement
  • RS-485 Termination Switching
Parametric specs for Operating Voltage ≤ 5V
Configuration 2-to-1
SPDT
# Channels 1
Normal Position Open/Closed
VSUPPLY (Single) (V) (min) 3
VSUPPLY (Single) (V) (max) 5.5
VSIGNAL (V) (min) -25
VSIGNAL (V) (max) 25
Dynamic Range (max) (V) (max) 50
RON (Ω) (max) 2
RFLAT(ON) (Ω) (typ) 0.005
Package/Pins TDFN-CU/8
Budgetary
Price (See Notes)
$2.63 @1k
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Simplified Block Diagram

MAX14759, MAX14761, MAX14763: Functional Diagrams MAX14759, MAX14761, MAX14763: Functional Diagrams Zoom icon

Technical Docs

Design & Development

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Description

The MAX147xx evaluation kit (EV kit) is a fully assembled and tested circuit board for evaluating the MAX14759 and MAX14760 family of beyond-the-rail switches. The EV kit features footprints for both 8-pin and 10-pin TDFN surface-mount packages to evaluate any part in the switch family. These switches operate from a single +3V to +5.5V supply.
The EV kit comes with a MAX14759 single channel switch installed on U1. This EV kit can also be used to evaluate the MAX14760–MAX14764.

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Features

  • +3V to +5.5V Input Supply Range
  • Evaluates Single- and Dual-Channel Switches
  • ±25V Voltage Signal Input Range
  • Proven PCB Layout
  • Fully Assembled and Tested

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Support & Training

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Parameters

Parametric specs for Operating Voltage ≤ 5V
Configuration 2-to-1
SPDT
# Channels 1
Normal Position Open/Closed
VSUPPLY (Single) (V) (min) 3
VSUPPLY (Single) (V) (max) 5.5
VSIGNAL (V) (min) -25
VSIGNAL (V) (max) 25
Dynamic Range (max) (V) (max) 50
RON (Ω) (max) 2
RFLAT(ON) (Ω) (typ) 0.005
Package/Pins TDFN-CU/8
Budgetary
Price (See Notes)
$2.63 @1k

Key Features

  • Simplify Power-Supply Requirements
    • +3.0V to +5.5V Supply Range
    • -25V to +25V Signal Range
  • High Performance
    • Low 1Ω (max) or 2Ω (max) On-Resistance
    • Low 2.4mΩ (typ) and 5.1mΩ (typ) RON Flatness
    • 500mA (max) Switch Current for MAX14759
    • Thermal Shutdown Protection
    • -40°C to +85°C Operating Temperature Range
    • High Bandwidth: 100MHz (typ) Insertion Loss
    • High-ESD Protection Up to 2kV
  • Save Board Space
    • Small 8-Pin and 10-Pin TDFN Packages

Applications/Uses

  • ATE Systems
  • Audio Signal Routing and Switching
  • CAN Bus Termination Switching
  • Industrial Measurement Systems
  • Instrumentation Systems
  • Medical Systems
  • Opto-Relay Replacement
  • RS-485 Termination Switching

Description

The MAX14759/MAX14761/MAX14763 analog switches are capable of passing bipolar signals that are beyond their supply rails. These devices operate from a single +3.0V to +5.5V supply and support signals in the -25V to +25V range.

The MAX14759 is a single-pole/single-throw (SPST) analog switch, while the MAX14761 is a dual-SPST analog switch. The MAX14763 is a single-pole/double-throw (SPDT) analog switch.

The MAX14759 features 1Ω (max) on-resistance with a ±200nA (max) on-leakage current. The MAX14761/MAX14763 feature 2Ω (max) on-resistance with a ±100nA (max) on-leakage current. The low on-resistance and high bandwidth allow use in digital- and analog-signal switching applications.

The MAX14759/MAX14763 are available in an 8-pin (3mm x 3mm) TDFN package. The MAX14761 is available in a 10-pin (3mm x 3mm) TDFN package. These devices are specified over the -40°C to +85°C extended temperature range.

Mobile App

Simplified Block Diagram

MAX14759, MAX14761, MAX14763: Functional Diagrams MAX14759, MAX14761, MAX14763: Functional Diagrams 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.