DS1844S-100+ Maxim Integrated Products, DS1844S-100+ Datasheet
DS1844S-100+
Specifications of DS1844S-100+
Related parts for DS1844S-100+
DS1844S-100+ Summary of contents
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FEATURES § Four independent, digitally controlled 64- position potentiometers § Two interface control options - 5-wire serial - 2-wire addressable § Standard resistance values - DS1844-010 DS1844-050 DS1844-100 100 kW § Mixed resistor ...
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The DS1844 is available in standard 10 kW, 50 kW, and 100 kW versions. Mixed resistor combinations are also available through custom setups. The DS1844 is specified to operate over the industrial temperature range: -40°C to +85°C. Packages for the ...
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When writing data, the R/ input should low state. Once W latched (or valid) on the low-to-high transition of the CLK signal. Once, eight low-to-high transitions have occurred on the CLK input, the associated 8-bit data block ...
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Data valid: The state of the data line represents valid data when, after a START condition, the data line is stable for the duration of the HIGH period of the clock signal. The data on the line can be changed ...
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SLAVE ADDRESS A command/control byte is the 1 The command/control byte consists of a 4-bit control code. For the DS1844, this is set as 0101 binary for read/write operations. The next 3 bits of the command/ control byte are the ...
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DS1844. Once the command/control byte has been issued and the master receives the acknowledgment from the DS1844, potentiometer wiper data is transmitted to the DS1844 by the master device the case of the 5-wire ...
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ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the ...
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ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C; V PARAMETER SYMBOL End-to-End Resistor Tolerance Absolute Linearity Relative Linearity -3dB Cutoff frequency Temperature Coefficent 2-WIRE ADDRESSABLE INTERFACE AC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Port Select Setup SCL Clock Frequency Bus Free Time Between STOP ...
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SERIAL INTERFACE AC ELECTRICAL CHARACTERISTICS PARAMETER Port Select Setup R/ W Setup Clock Frequency Width of CLK Pulse Data Setup Time Data Hold Time Progapation Delay Time High to Low Level Clock to Output RST High to Clock Input ...
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Address Inputs, A0, A1, and A2, should be tied to either V address selections. 12. Resistor inputs cannot go below GND by more than 0.5 volts or above V volts. 13. -3dB cutoff frequency characteristics for the DS1844 depend ...
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DS1844 BLOCK DIAGRAM Figure 1 WIPER REGISTER CONFIGURATION Figure ...
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SERIAL TIMING DIAGRAM Figure 3 (A), (B) (A) WRITING DATA TO THE DS1844 ...
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DATA TRANSFER OVERVIEW Figure 4 START COMMAND/CONTROL BYTE Figure 5 2-WIRE READ PROTOCOL Figure 6 2-WIRE WRITE PROTOCOLS Figure ...
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TIMING DIAGRAM Figure 8 DIGITAL OUTPUT LOAD Figure ...