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DS2890 Datasheet

  • DS2890

  • 1-Wire Digital Potentiometer

  • 937.42KB

  • Dallas   Dallas

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PRELIMINARY
DS2890
1-Wire
庐
Digital Potentiometer
www.dalsemi.com
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 k鈩?resistor element value
Provides 1-Wire and V
DD
power modes
Supports Conditional Search based on
power-on default wiper position
Multiple DS2890鈥檚 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 鈥?6.0V operating voltage range
PIN ASSIGNMENT
Top View
6-pin TSOC
GND
1-WIRE
VDD
1
2
3
6
5
4
RL
WIPER
RH
TO-92 Package
1 2 3
1 2 3
Bottom View
Flip Chip Package
top view
side view
Visit
www.dalsemi.com
for Flip Chip pinout and
mechanical data.
ORDERING INFORMATION
PART NUMBER
DS2890-000
DS2890P-000
DS2890X-000
DS2890T-000
RESISTANCE
*
100 k鈩?/div>
100 k鈩?/div>
100 k鈩?/div>
100 k鈩?/div>
PACKAGE DESCRIPTION
T0-92
6-pin TSOC
Flip Chip Pkg., Tape & Reel
Tape & Reel of DS2890
DS2890V-000
Tape & Reel of DS2890P
100 k鈩?/div>
* Contact the factory for availability of alternate resistance values
1 of 27
1-WIRE
RH
GND
061500

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