Rainbow Electronics DS2890 - Manual

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FEATURES
§ Single element 256-position linear taper
potentiometer
§ Supports potentiometer terminal working
voltages up to 11V
§ Potentiometer terminal voltage independent
of supply voltage
§ Potentiometer wiper position controlled and
read over minimal 1-Wire bus interface
§ 100 kW resistor element value
§ T0-92 package provides a 1-Wire ®
variable
resistor configuration
§ Supports Conditional Search based on
power-on default wiper position
§ Multiple DS2890’s can be identified on a
common 1-Wire bus and operated
independently
§ Unique factory lasered 64-bit registration
number assures error free device selection
and absolute part identity
§ Built-in multi-drop controller ensures
compatibility with other 1-Wire Network
products
§ Supports Overdrive mode which boosts
communication speed up to 142 kbits per
second
§ -40 o C to +85 o C operating temperature range
§ 2.8V – 6.0V operating voltage range
PIN ASSIGNMENT
Top View
6-pin TSOC
1-WIRE
GND
VDD
1
2
3 6
5
4
RH
WIPER
RL
TO-92 Package
1 2 3
GND
1-
WIR
E
RH
1 2 3
Bottom View
Flip Chip Package
side view
top view
Visit www.dalsemi.com for Flip Chip pinout and
mechanical data.
ORDERING INFORMATION
PART NUMBER RESISTANCE * PACKAGE DESCRIPTION
DS2890-000 100 k W T0-92
DS2890P-000 100 k W 6-pin TSOC
DS2890X-000 100 k W Flip Chip Pkg., Tape & Reel
DS2890-000/T&R 100 k W Tape & Reel of DS2890
DS2890P-000/T&R 100 k W Tape & Reel of DS2890P
* Contact the factory for availability of alternate resistance values
www.maxim-ic.com
DS2890
1-Wire Digital Potentiometer
1-Wire is a registered trademark of Dallas Semiconductor.