Controlled Potentiometers. X9250 Datasheet

X9250 Datasheet PDF, Equivalent


Part Number

X9250

Description

Quad Digitally Controlled Potentiometers

Manufacture

Intersil Corporation

Total Page 20 Pages
PDF Download
Download X9250 Datasheet


X9250 Datasheet
®
Data Sheet
X9250
Low Noise/Low Power/SPI Bus/256 Taps
August 29, 2006
FN8165.3
Quad Digitally Controlled Potentiometers
(XDCP™)
FEATURES
• Four potentiometers in one package
• 256 resistor taps/pot - 0.4% resolution
• SPI serial interface
• Wiper resistance, 40typical @ VCC = 5V
• Four nonvolatile data registers for each pot
• Nonvolatile storage of wiper position
• Standby current < 5µA max (total package)
• Power supplies
—VCC = 2.7V to 5.5V
—V+ = 2.7V to 5.5V
—V– = -2.7V to -5.5V
• 100k, 50ktotal pot 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 X9251
• Pb-free plus anneal available (RoHS compliant)
www.DataSheet4U.com
DESCRIPTION
The X9250 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
SPI bus interface. Each potentiometer has associated
with it a volatile Wiper Counter Register (WCR) and 4
nonvolatile 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.
BLOCK DIAGRAM
VCC
VSS
V+
V-
HOLD
CS
SCK
SO
SI
A0
A1
WP
Interface
and
Control
Circuitry
8
Data
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
Pot 0
VH0/RH0
VL0/RL0
VW0/RW0
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 2
VH2/RH2
VL2/RL2
VW2/RW2
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
VW1/RW1
Resistor
Array
Pot1
VH1/RH1
VL1/RL1
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 3
VW3/RW3
VH3/RH3
VL3/RH3
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

X9250 Datasheet
X9250
Ordering Information
PART NUMBER
X9250TS24I
X9250TS24IZ (Note)
X9250TV24I
X9250TV24IZ (Note)
X9250US24
X9250US24Z (Note)
X9250US24I
PART
MARKING
X9250TS I
X9250TS ZI
X9250TV I
X9250TV ZI
X9250US
X9250US Z
X9250US I
VCC LIMITS (V)
5 ±10%
POTENTIOMETER TEMP. RANGE
ORGANIZATION (k)
(°C)
PACKAGE
PKG. DWG. #
100 -40 to +85 24 Ld SOIC (300 mil) M24.3
-40 to +85 24 Ld SOIC (300 mil) M24.3
(Pb-free)
-40 to +85 24 Ld TSSOP
(4.4mm)
MDP0044
-40 to +85 24 Ld TSSOP
(4.4mm) (Pb-free)
MDP0044
50 0 to +70 24 Ld SOIC (300 mil) M24.3
0 to +70
24 Ld SOIC (300 mil) M24.3
(Pb-free)
-40 to +85 24 Ld SOIC (300 mil) M24.3
X9250US24IZ (Note) X9250US ZI
X9250UV24I
X9250UV I
X9250UV24IZ (Note) X9250UV ZI
X9250TS24-2.7
X9250TS F
X9250TS24Z-2.7 (Note) X9250TS ZF
X9250TS24I-2.7*
X9250TS24IZ-2.7*
(Note)
X9250TV24I-2.7
X9250TS G
X9250TS ZG
X9250TV G
X9250TV24IZ-2.7 (Note) X9250TV ZG
X9250US24-2.7*
X9250US F
-2.7 to 5.5
-40 to +85 24 Ld SOIC (300 mil) M24.3
(Pb-free)
-40 to +85 24 Ld TSSOP
(4.4mm)
MDP0044
-40 to +85 24 Ld TSSOP
(4.4mm) (Pb-free)
MDP0044
100 0 to +70 24 Ld SOIC (300 mil) M24.3
0 to +70
24 Ld SOIC (300 mil) M24.3
(Pb-free)
-40 to +85 24 Ld SOIC (300 mil) M24.3
-40 to +85 24 Ld SOIC (300 mil) M24.3
(Pb-free)
-40 to +85 24 Ld TSSOP
(4.4mm)
MDP0044
-40 to +85 24 Ld TSSOP
(4.4mm) (Pb-free)
MDP0044
50 0 to +70 24 Ld SOIC (300 mil) M24.3
X9250US24Z-2.7* (Note) X9250US ZF
0 to +70
24 Ld SOIC (300 mil) M24.3
(Pb-free)
X9250US24I-2.7
X9250US G
-40 to +85 24 Ld SOIC (300 mil) M24.3
X9250US24IZ-2.7 (Note) X9250US ZG
-40 to +85 24 Ld SOIC (300 mil) M24.3
(Pb-free)
X9250UV24-2.7
X9250UV F
0 to +70
24 Ld TSSOP
(4.4mm)
MDP0044
X9250UV24Z-2.7 (Note) X9250UV ZF
0 to +70
24 Ld TSSOP
(4.4mm) (Pb-free)
MDP0044
X9250UV24I-2.7
X9250UV G
-40 to +85 24 Ld TSSOP
(4.4mm)
MDP0044
X9250UV24IZ-2.7 (Note) X9250UV ZG
-40 to +85 24 Ld TSSOP
(4.4mm) (Pb-free)
MDP0044
*Add "T1" suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
2 FN8165.3
August 29, 2006


Features Datasheet pdf ® X9250 Low Noise/Low Power/SPI Bus/25 6 Taps Data Sheet August 29, 2006 FN816 5.3 Quad Digitally Controlled Potentio meters (XDCP™) FEATURES • • • • • • • Four potentiometers in one package 256 resistor taps/pot - 0.4% resolution SPI serial interface Wi per resistance, 40Ω typical @ VCC = 5 V Four nonvolatile data registers for e ach pot Nonvolatile storage of wiper po sition Standby current < 5µA max (tota l package) Power supplies —VCC = 2.7V to 5.5V —V+ = 2.7V to 5.5V —V– = -2.7V to -5.5V 100kΩ, 50kΩ total p ot resistance High reliability —Endur ance – 100,000 data changes per bit p er register —Register data retention - 100 years 24 Ld SOIC, 24 Ld TSSOP Dua l supply version of X9251 Pb-free plus anneal available (RoHS compliant) DESC RIPTION The X9250 integrates 4 digitall y controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit. Th e digitally controlled potentiometer is implemented using 255 resistive elements in a series array. Between each element are tap points connec.
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