Rainbow-electronics DS1803 Manuel d'utilisateur

1 of 11 101599FEATURES§ 3V or 5V Power Supplies§ Ultra-low power consumption§ Two digitally controlled, 256-positionpotentiometers§ 14-Pin TSSOP (

DS180310 of 11CONTROL BYTE Figure 32–WIRE READ PROTOCOLS Figure 42–WIRE WRITE PROTOCOLS Figure 5Write Pot-0

DS180311 of 11TIMING DIAGRAM Figure 6DS1803 ORDERING INFORMATIONORDERINGNUMBERPACKAGE OPERATINGTEMPERATUREVERSIONDS18030-010 16L DIP -40°C TO +85°C 10

DS18032 of 11DEVICE OPERATIONThe DS1803 is an addressable, digitally controlled device which has two 256-position potentiometers. Afunctional block di

DS18033 of 11Start data transfer: A change in the state of the data line, from HIGH to LOW, while the clock isHIGH, defines a START condition.Stop dat

DS18034 of 112. Slave transmitter mode: The first byte is received and handled as in the slave receiver mode.However, in this mode the direction bit

DS18035 of 11allows the user to write both potentiometers to the same value with one command and one data valuebeing issued.All the write operations b

DS18036 of 11ABSOLUTE MAXIMUM RATINGS*Voltage on Any Pin Relative to Ground -1.0V to +7.0VOperating Temperature -40° to +85°C; industrialStorage Tempe

DS18037 of 11ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C;VCC=2.7V to 5.5V)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESEnd-to-End Resistor Tolerance -

DS18038 of 115. After this period, the first clock pulse is generated.6. A device must internally provide a hold time of at least 300 ns for the SDA

DS18039 of 11DS1803 BLOCK DIAGRAM Figure 12–WIRE DATA TRANSFER OVERVIEW Figure 2