ds3906ut-r Maxim Integrated Products, Inc., ds3906ut-r Datasheet
ds3906ut-r
Related parts for ds3906ut-r
ds3906ut-r Summary of contents
Page 1
... R1 R 100 500 EXT components of Maxim Integrated Products, Inc., or one of its sublicensed 2 C Patent Rights to use these components ______________________________________________ Maxim Integrated Products 2 C Bus Ordering Information PART TEMP RANGE PIN-PACKAGE -40°C to +85°C 10 µSOP -40°C to +85°C 10 µ ...
Page 2
Triple NV Low Step Size Variable Resistor Plus Memory ABSOLUTE MAXIMUM RATINGS Voltage SDA, SCL, and H0-H2 Pins CC Relative to Ground.............................................-0.5V to +6.0V Voltage on A0, A1, and A2 Relative to Ground .....-0. ...
Page 3
AC ELECTRICAL CHARACTERISTICS (See Figure +2.7V to 5.5V -40°C to +85°C, unless otherwise noted. Timing referenced PARAMETER SYMBOL SCL Clock Frequency Bus Free Time Between Stop and Start Conditions Hold Time ...
Page 4
Triple NV Low Step Size Variable Resistor Plus Memory (V = +5.0V +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE 200 180 160 140 120 100 2.70 3.20 3.70 4.20 ...
Page 5
T = +25°C, unless otherwise noted RESISTOR R TEMPERATURE COEFFICIENT 0,1 (+25°C TO +85°C) vs. RESISTOR SETTING 400 350 +25°C TO +85°C 300 250 200 150 100 ...
Page 6
Triple NV Low Step Size Variable Resistor Plus Memory (V = +5.0V +25°C, unless otherwise noted RESISTANCE AT POSITION 1Fh 2 vs. POWER-UP VOLTAGE 4000 >5.5MΩ RESISTOR R 2 3500 3000 2500 EEPROM RECALL 2000 ...
Page 7
PIN NAME Address Input. Inputs A0, A1, and A2 determine the SDA I C Serial Data Open-Drain Input/Output 2 3 SCL I C Serial Clock Input 4 V Power Supply Voltage CC ...
Page 8
Triple NV Low Step Size Variable Resistor Plus Memory makes the corresponding resistor go High-Z. Plots for both resistor sizes are shown on the front page of this data sheet. It can be seen that, when an external resis- tor ...
Page 9
Table 3. DS3906 Resistor Settings (without external resistor) NOMINAL RESISTOR VALUES POSITION WITHOUT EXT RESISTOR (25°C) Dec Hex Resistors 175 178 182 186 190 195.2 6 ...
Page 10
Triple NV Low Step Size Variable Resistor Plus Memory External Resistor Selection/Considerations Using an external resistor in parallel with any of the DS3906’s resistors makes the effective resistance linear with small increments from position to position. Typical values for the ...
Page 11
Repeated Start Condition: The master can use a repeated start condition at the end of one data transfer to indicate that it will immediately initiate a new data trans- fer following the current one. Repeated starts are com- monly used ...
Page 12
Triple NV Low Step Size Variable Resistor Plus Memory Acknowledge Polling: Any time an EEPROM page is written, the DS3906 requires the EEPROM write time (t ) after the stop condition to write the contents of the W page to ...
Page 13
Reading Multiple Bytes from a Slave: The read oper- ation can be used to read multiple bytes with a single transfer. When reading bytes from the slave, the master simply ACKs the data byte if it desires to read another ...
Page 14
... Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2006 Maxim Integrated Products is a registered trademark of Dallas Semiconductor Corporation. For the latest package outline information www.maxim-ic.com/DallasPackInfo. Printed USA is a registered trademark of Maxim Integrated Products, Inc. Package Information ...