Details, datasheet, quote on part number: ADGS5414BCPZ
PartADGS5414BCPZ
Category
TitleIC SWITCH SPST OCTAL 24-LFCSP
Description

ADI’s ADGS5414 contains eight independent single-pole/single-throw (SPST) switches. A serial peripheral interface (SPI) interface controls the switches and has robust error detection features, including cyclic redundancy check (CRC) error detection, invalid read/write address error detection, and SCLK count error detection. It is possible to daisy-chain multiple devices together. This enables the configuration of multiple ADGS5414 with a minimal amount of digital lines. The device can also operate in burst mode to decrease the time between SPI commands.



CompanyAnalog Devices
DatasheetDownload ADGS5414BCPZ datasheet
  
ADGS5414BCPZ photo

 

Features, Applications
FEATURES

SPI interface with error detection Includes CRC, invalid read/write address, and SCLK count error detection Supports burst and daisy-chain mode Industry-standard SPI Mode 0 and Mode 3 interfacecompatible Guaranteed break-before-make switching, allowing external wiring of switches to deliver multiplexer configurations VSS to VDD analog signal range Fully specified +12 V, and 40 V single-supply operation (VDD) 22 V dual-supply operation (VDD/VSS) 8 kV HBM ESD rating Low on resistance 1.8 V logic compatibility with 3.3 V

APPLICATIONS

Relay replacement Automatic test equipment Data acquisition Instrumentation Avionics Audio and video switching Communication systems

The ADGS5414 contains eight independent single-pole/singlethrow (SPST) switches. An SPI interface controls the switches and has robust error detection features, including cyclic redundancy check (CRC) error detection, invalid read/write address error detection, and SCLK count error detection. It is possible to daisy-chain multiple ADGS5414 devices together. This enables the configuration of multiple devices with a minimal amount of digital lines. The ADGS5414 can also operate in burst mode to decrease the time between SPI commands. Each switch conducts equally well in both directions when on, and each switch has an input signal range that extends to the supplies. In the off condition, signal levels up to the supplies are blocked. The on-resistance profile is flat over the full analog input range, ensuring ideal linearity and low distortion when switching audio signals. The ADGS5414 exhibits break-before-make switching action, allowing the use of the device in multiplexer applications with external wiring.

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1. The SPI interface removes the need for parallel conversion, logic traces, and reduces the general-purpose input/output (GPIO) channel count. Daisy-chain mode removes the need for additional logic traces when using multiple devices. CRC error detection, invalid read/write address error detenction, and SCLK count error detection ensures a robust digital interface. CRC and error detection capabilities allow the use of the ADGS5414 in safety critical systems. Break-before-make switching allows external wiring of the switches to deliver multiplexer configurations. The trench isolation analog switch section guards against latch-up. A dielectric trench separates the positive and negative channel transistors, preventing latch-up even under severe overvoltage conditions.

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Data Sheet ADGS5414: SPI Interface, Octal SPST Switches, 13.5 RON, V/+36 V, Mux Data Sheet
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Features.............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram.............................................................. 1 General Description......................................................................... 1 Product Highlights........................................................................... 1 Revision History............................................................................... 1 Specifications..................................................................................... 15 V Dual Supply....................................................................... 20 V Dual Supply....................................................................... 12 V Single Supply........................................................................ 36 V Single Supply........................................................................ 9 Continuous Current per Channel, or Dx Pins.................. 11 Timing Characteristics.............................................................. 11 Absolute Maximum Ratings.......................................................... 13 Thermal Resistance.................................................................... 13 ESD Caution................................................................................ 13 Pin Configurations and Function Descriptions......................... 14 Typical Performance Characteristics........................................... 15 Test Circuits..................................................................................... 19 Terminology.................................................................................... 21 Theory of Operation...................................................................... 22 Address Mode............................................................................. 22

Error Detection Features........................................................... 22 Clearing the Error Flags Register............................................. 23 Burst Mode.................................................................................. 23 Software Reset............................................................................. 23 Daisy-Chain Mode..................................................................... 23 Power-On Reset.......................................................................... 24 Break-Before-Make Switching.................................................. 25 Trench Isolation.......................................................................... 25 Applications Information.............................................................. 26 Power Supply Rails..................................................................... 26 Power Supply Recommendations............................................. 26 Register Summary.......................................................................... 27 Register Details............................................................................... 28 Switch Data Register.................................................................. 28 Error Configuration Register.................................................... 28 Error Flags Register.................................................................... 29 Burst Enable Register................................................................. 29 Software Reset Register............................................................. 29 Outline Dimensions....................................................................... 30 Ordering Guide.......................................................................... 30


 

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