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X9258

Description
QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24
Categorysemiconductor    logic   
File Size784KB,19 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Download Datasheet Parametric Compare View All

X9258 Overview

QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24

X9258 Parametric

Parameter NameAttribute value
Number of functions4
Number of terminals24
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Rated supply voltage2.7 V
Rated total resistance50000 ohm
Processing package description4.40 MM, TSSOP-24
stateDISCONTINUED
CraftsmanshipCMOS
packaging shapeRectangle
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingtin lead
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Type of converterdigital potentiometer
ResistivityLinear
control interface2-wire serial
Number of directions256
Maximum resistor tolerance20 %
Rated temperature coefficient300 ppm/Cel
Maximum terminal resistor voltage5.5 V
Minimum terminal resistor voltage-5.5 V
DATASHEET
X9258
Low Noise/Low Power/2-Wire Bus/256 Taps Quad Digital Controlled
Potentiometers (XDCP™)
The X9258 integrates 4 digitally controlled potentiometers
(XDCP™) on a monolithic CMOS integrated circuit.
The digitally controlled potentiometer is implemented using
255 resistive elements in a series array. Between each
element are tap points connected to the wiper terminal
through switches. The position of the wiper on the array is
controlled by the user through the 2-wire bus interface. Each
potentiometer has associated with it a volatile Wiper Counter
Register (WCR) and 4 non-volatile Data Registers
(DR0:DR3) that can be directly written to and read by the
user. The contents of the WCR controls the position of the
wiper on the resistor array though the switches. Power-up
recalls the contents of DR0 to the WCR.
The XDCP™ can be used as a three-terminal potentiometer
or as a two-terminal variable resistor in a wide variety of
applications including control, parameter adjustments, and
signal processing.
FN8168
Rev 6.00
December 15, 2011
Features
• Four potentiometers in one package
• 256 resistor taps/potentiometer................. 0.4% resolution
• 2-wire serial interface
• Wiper resistance, 40Ωtypical @ V+ = 5V, V- = -5V
• Four nonvolatile data registers for each potentiometer
• Nonvolatile storage of wiper position
• Standby current <5µA max (total package)
• Power supplies
- V
CC
= 2.7V to 5.5V
- V+ = 2.7V to 5.5V
- V- = -2.7V to -5.5V
• 100kΩ, 50kΩtotal potentiometer resistance
• High reliability
- Endurance: 100,000 data changes per bit per register
- Register data retention . . . . . . . . . . . . . . . . . . 100 years
• 24 Ld SOIC, 24 Ld TSSOP
• Dual supply version of X9259
• Pb-free (RoHS compliant)
Block Diagram
V
CC
V
SS
V+
V-
WP
SCL
SDA
A0
A1
A2
A3
INTERFACE
AND
CONTROL
CIRCUITRY
R
2
R
3
R
0
R
1
WIPER
COUNTER
REGISTER
(WCR)
POT 0
V
H0
/R
H0
R
0
R
1
WIPER
COUNTER
REGISTER
(WCR)
V
H2
/R
H2
RESISTOR
ARRAY
POT 2
V
L0
/R
L0
V
W0
/R
W0
R
2
R
3
V
L2
/R
L2
V
W2
/R
W2
8
DATA
R
0
R
1
WIPER
COUNTER
REGISTER
(WCR)
V
W1
/R
W1
V
H1
/R
H1
R
0
R
1
V
W3
/R
W3
WIPER
COUNTER
REGISTER
(WCR)
V
H3
/R
H3
RESISTOR
ARRAY
POT 1
R
2
R
3
RESISTOR
ARRAY
POT 3
V
L1
/R
L1
R
2
R
3
V
L3
/R
L3
FN8168 Rev 6.00
December 15, 2011
Page 1 of 19

X9258 Related Products

X9258 X9258TV24
Description QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24 QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24
Number of functions 4 4
Number of terminals 24 24
Maximum operating temperature 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel
Rated supply voltage 2.7 V 2.7 V
Rated total resistance 50000 ohm 50000 ohm
Processing package description 4.40 MM, TSSOP-24 4.40 MM, TSSOP-24
state DISCONTINUED DISCONTINUED
Craftsmanship CMOS CMOS
packaging shape Rectangle Rectangle
Package Size SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mount Yes Yes
Terminal form GULL WING GULL WING
Terminal spacing 0.6500 mm 0.6500 mm
terminal coating tin lead tin lead
Terminal location pair pair
Packaging Materials Plastic/Epoxy Plastic/Epoxy
Temperature level INDUSTRIAL INDUSTRIAL
Type of converter digital potentiometer digital potentiometer
Resistivity Linear Linear
control interface 2-wire serial 2-wire serial
Number of directions 256 256
Maximum resistor tolerance 20 % 20 %
Rated temperature coefficient 300 ppm/Cel 300 ppm/Cel
Maximum terminal resistor voltage 5.5 V 5.5 V
Minimum terminal resistor voltage -5.5 V -5.5 V
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