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X9241AWPI Datasheet

  • X9241AWPI

  • Quad Digitally Controlled Potentiometer (XDCP)

  • 18頁

  • XICOR   XICOR

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A
PPLICATION
N
OTE
A V A I L A B L E
AN20 鈥?AN42鈥?8 鈥?AN50-53 鈥?AN73 鈥?AN99 鈥?AN115 鈥?AN120 鈥?AN124 鈥?AN133 鈥?AN134 鈥?AN135
Low Power/2-Wire Serial Bus
X9241A
Quad Digitally Controlled Potentiometer (XDCP
鈩?/div>
)
FEATURES
鈥?Four potentiometers in one package
鈥?2-wire serial interface
鈥?Register oriented format
鈥擠irect read/write/transfer of wiper positions
鈥擲tore as many as four positions per
potentiometer
鈥?Terminal Voltages: +5V, -3.0V
鈥?Cascade resistor arrays
鈥?Low power CMOS
鈥?High Reliability
鈥擡ndurance鈥?00,000 data changes per bit per
register
鈥擱egister data retention鈥?00 years
鈥?16-bytes of nonvolatile memory
鈥?3 resistor array values
鈥?K
鈩?/div>
to 50K
鈩?/div>
mask programmable
鈥擟ascadable for values of 500
鈩?/div>
to 200K
鈩?/div>
鈥?Resolution: 64 taps each pot
鈥?20-lead plastic DIP, 20-lead TSSOP and 20-lead
SOIC packages
DESCRIPTION
The X9241A integrates four 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.
BLOCK DIAGRAM
V
CC
V
SS
R0 R1
Wiper
Counter
Register
(WCR)
V
H0
/R
H0
R0 R1
Wiper
Counter
Register
(WCR)
Register
Array
Pot 2
V
H2
/
R
H2
V
L2
/R
L2
V
W2
/R
W2
R2 R3
SCL
SDA
A0
A1
A2
A3
V
L0
/R
L0
V
W0
/R
W0
R2 R3
Interface
and
Control
Circuitry
Data
8
R0 R1
Wiper
Counter
Register
(WCR)
Register
Array
Pot 1
V
H1
/R
H1
R0 R1
Wiper
Counter
Register
(WCR)
Register
Array
Pot 3
V
H3
/R
H3
R2 R3
V
L1
/R
L1
V
W1
/R
W1
R2 R3
V
L3
/R
L3
V
W3
/R
W3
REV 1.1.13 12/09/02
www.xicor.com
Characteristics subject to change without notice.
1 of 18

X9241AWPI 產(chǎn)品屬性

  • 18

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 64

  • 10k

  • 4

  • 標(biāo)準(zhǔn)值 ±300 ppm/°C

  • 非易失

  • I²C（設(shè)備位址）

  • 4.5 V ~ 5.5 V

  • -40°C ~ 85°C

  • 通孔

  • 20-DIP（0.300"，7.62mm）

  • 20-PDIP

  • 管件

X9241AWPI相關(guān)型號(hào)PDF文件下載

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