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X9409YS24 Datasheet

  • X9409YS24

  • Low Noise/Low Power/2-Wire Bus

  • 356.86KB

  • 20頁

  • INTERSIL   INTERSIL

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廬
X9409
Low Noise/Low Power/2-Wire Bus
Data Sheet
October 19, 2005
FN8192.3
PRELIMINARY
Quad Digitally Controlled Potentiometers
(XDCP鈩?
FEATURES
鈥?Four potentiometers per package
鈥?64 resistor taps
鈥?2-wire serial interface for write, read, and trans-
fer operations of the potentiometer
鈥?50鈩?Wiper resistance, typical at 5V.
鈥?Four non-volatile data registers for each
potentiometer
鈥?Non-volatile storage of multiple wiper position
鈥?Power-on recall. Loads saved wiper position on
power-up.
鈥?Standby current < 1碌A(chǔ) typical
鈥?System V
CC
: 2.7V to 5.5V operation
鈥?10k鈩? 2.5k鈩?End to end resistance
鈥?100 yr. data retention
鈥?Endurance: 100,000 data changes per bit per
register
鈥?Low power CMOS
鈥?24 Ld SOIC, 24 Ld TSSOP
鈥?Pb-free plus anneal available (RoHS compliant)
BLOCK DIAGRAM
V
CC
V
SS
R
0
R
1
Pot 0
Wiper
Counter
Register
(WCR)
DESCRIPTION
The X9409 integrates 4 digitally controlled
potentiometers (XDCP) on a monolithic CMOS
integrated microcircuit.
The digitally controlled potentiometer is implemented
using 63 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
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 through 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.
V
H0
/R
HO
R
0
R
1
WP
SCL
SDA
A0
A1
A2
A3
R
2
R
3
V
L0
/
R
LO
V
W0
/
R
WO
R
2
R
3
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 2
V
H2
/R
H2
V
L2
/R
L2
V
W2
/R
W2
Interface
and
Control
Circuitry
Data
8
V
W1
/
R
W1
R
0
R
1
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 1
V
H1
/
R
H1
V
L1
/R
L1
R
0
R
1
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 3
V
W3
/R
W3
V
H3
/R
H3
R
2
R
3
R
2
R
3
V
L3
/R
L3
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. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

X9409YS24 產(chǎn)品屬性

  • 30

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 64

  • 2.5k

  • 4

  • 標(biāo)準(zhǔn)值 ±300 ppm/°C

  • 非易失

  • I²C（設(shè)備位址）

  • 4.5 V ~ 5.5 V

  • 0°C ~ 70°C

  • 表面貼裝

  • 24-SOIC（0.295"，7.50mm 寬）

  • 24-SOIC

  • 管件

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