DS1845E-020 Maxim Integrated Products, DS1845E-020 Datasheet - Page 13

• Manufacturer Part Number: DS1845E-020
• Description: Digital Potentiometer ICs
• Manufacturer: Maxim Integrated Products

Specifications of DS1845E-020

• Number Of Pots: Dual
• Taps Per Pot: 100, 256
• Resistance: 10 KOhms, 20 KOhms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (2-Wire, I2C)
• Operating Supply Voltage: 3 V, 5 V
• Supply Current: 500 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Package / Case: TSSOP-14
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7. C B - total capacitance of one bus line in picofarads. Timing referenced to 0.9V
8. EEPROM write begins after a stop condition occurs.
9. Absolute linearity is used to measure expected wiper voltage as determined by wiper position.
10. Relative linearity is used to determine the change of wiper voltage between two adjacent wiper
11. When used as a rheostat or variable resister the temperature coefficient applies: 750 ppm/°C. When
12. I
13. Maximum Icc is dependent on clock rates.
positions.
used as a voltage divider or potentiometer, the effective temperature coefficient approaches
30 ppm/°C.
CC
specified with SDA pin open.
13 of 14
CC
and 0.1V
CC
.