DS1855E-010/T&R

Memory Type:	Non-Volatile
Base Part Number:	DS1855
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	400
Temperature Coefficient (Typ):	750 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	10k
Number of Taps:	100, 256
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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<p>The DS1855E-010/T&R series are digital potentiometers from Maxim Integrated, offering a low cost and flexible solution for data acquisition applications.</p><p>The digital potentiometer is a device with multiple resistance stages, with each stage connected to a single control bit. The number of control bits determines the resolution of the potentiometer and the range of resistance that it can output. The DS1855E-010/T&R series provides 10-bit resolution with 100kΩ adjustable resistance range, suitable for various data acquisition applications.</p><p>The DS1855E-010/T&R series is available in 3 different packages, SOIC, MSOP and TSSOP, and 2 Resistances, 50kΩ and 100kΩ. It is a single-channel, 8-pin IC with a power supply of 2.7V to 5.5V. The supply voltage determines an absolute accuracy rating of 4.5%. The operating temperature range is 0°C to +70°C for the SOIC version, -40°C to +85°C for the MSOP version and -40°C to +125°C for the TSSOP version.</p><p>A typical application for the DS1855E-010/T&R series is in analog to digital converters; they can be used as a voltage divider to provide a reference voltage to the ADC, by adjusting the resistance of the potentiometer to match the required reference voltage level.</p><p>The DS1855E-010/T&R also has an electrical interface which allows for easy programming and control of the potentiometer. This interface consists of two wires which can be connected to a microcontroller or other system to provide an I2C compatible interface. The I2C interface allows the potentiometer to be programmed using simple commands which can be sent from the system to the DS1855E-010/T&R.</p><p>The DS1855E-010/T&R series also offers a non-volatile memory for storing the wiper position. This means that the wiper can be programmed to a specific resistance in the event of a power failure.</p><p>Overall, the DS1855E-010/T&R series from Maxim Integrated is an ideal choice for applications requiring a low cost and precise digital potentiometer solution. It offers a high level of accuracy, a wide range of resistance levels and a highly reliable interface.</p>

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