Features: `3V or 5V Power Supplies`Ultra-low power consumption`Two digitally controlled, 256-position potentiometers`14-Pin TSSOP (173 mil) and 16-Pin SOIC (150 mil) packaging available for surface mount applications`Addressable using 3-Chip Select Inputs`Serial/Synchronous Bus Inputs`Operating Te...
DS1803: Features: `3V or 5V Power Supplies`Ultra-low power consumption`Two digitally controlled, 256-position potentiometers`14-Pin TSSOP (173 mil) and 16-Pin SOIC (150 mil) packaging available for surface ...
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SpecificationsTotal Max Power: 2,000 W Total Max Current: 164.2 A Input Voltage: 90 V to 264...
Voltage on Any Pin Relative to Ground ........-1.0V to +7.0V
Operating Temperature ..........-40° to +85; industrial
Storage Temperature ................-55 to +125
Soldering Temperature............ 260 for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
The DS1803 Addressable Dual Digital Potentiometer is an addressable device having two independently controlled potentiometers. Each potentiometer's wiper can be set to one of 256 positions. Device control is achieved via a 2-wire serial interface having a data I/O terminal and a clock input terminal. Device addressing is provided through three chip select input terminals and correct communication protocol.
Addressing capability, when operating in a bus topology, allows up to eight devices to be controlled by the serial interface. The exact wiper position of each potentiometer can be written or read. The DS1803 is available in a 16-pin DIP, 16-pin SOIC and 14-pin TSSOP package. The device is available in three standard resistance values: 10kW, 50kW, and 100kW, and is specified over the industrial temperature range.