Rainbow-electronics DS1807 Manuel d'utilisateur

1 of 13 110499FEATURES Operates from 3V or 5V Power Supplies Ultra-low power consumption Two digitally controlled, 65-positionpotentiometers Logar

DS180710 of 13 110499ABSOLUTE MAXIMUM RATINGS*Voltage on Any Pin Relative to Ground -1.0V to +7.0VOperating Temperature -40° to +85°CStorage Temperatu

DS180711 of 13 110499ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C;VCC=2.7V to 5.5V)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESEnd to End Resistor Tole

DS180712 of 13 110499NOTES:1. All voltages are referenced to ground.2. I/O pins of fast mode devices must not obstruct the SDA and SCL lines if VDDis

DS180713 of 13 110499TIMING DIAGRAM Figure 8INTERNAL GROUND CONNECTIONS Figure 9NOTE: GND and AGND must be tied to the same voltage level.DS1807 ORDER

DS18072 of 13 110499The DS1807 is available in 14-pin DIP, SOIC, and TSSOP packages. The DS1807 is offered in industrialtemperature grades. The standa

DS18073 of 13 110499DS1807 BLOCK DIAGRAM Figure 1WIPER REGISTER CONFIGURATION Figure 2

DS18074 of 13 110499DS1807 ATTENUATOR CONFIGURATION Figure 3ZERO-CROSSING DETECTIONThe DS1807 provides many features for digitally controlled audio ap

DS18075 of 13 1104992-WIRE DATA TRANSFER OVERVIEW Figure 4Accordingly, the following bus conditions have been defined:Bus not busy: Both data and cloc

DS18076 of 13 1104991. Data transfer from a master transmitter to a slave receiver. The first byte transmitted by themaster is the control byte (or s

DS18077 of 13 110499When the master has received the ACKNOWLEDGE from the DS1807, the master can then begin toreceive potentiometer wiper data. The va

DS18078 of 13 110499Communication to activate or deactivate zero-crossing detection begins with a START condition which isissued by the master device.

DS18079 of 13 1104992-WIRE READ PROTOCOL Figure 62-READ READ PROTOCOL Figure 7