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X9C303PI Datasheet

  • X9C303PI

  • Digitally Controlled Potentiomet (XDCP)

  • 272.98KB

  • 10頁(yè)

  • INTERSIL   INTERSIL

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廬
X9C303
Terminal Voltage 鹵5V, 100 Taps, Log Taper
Data Sheet
March 11, 2005
FN8223.0
Digitally Controlled Potentiometer
(XDCP鈩?
FEATURES
鈥?Solid-state potentiometer
鈥?Three-wire serial interface
鈥?100 wiper tap points
鈥擶iper position stored in nonvolatile memory
and recalled on power-up
鈥?99 resistive elements, log taper
鈥擳emperature compensated
鈥擡nd to end resistance, 鹵15%
鈥擳erminal voltages, 鹵5V
鈥?Low power CMOS
鈥擵
CC
= 5V
鈥擜ctive current, 3mA max.
鈥擲tandby current, 750碌A(chǔ) max.
鈥?High reliability
鈥擡ndurance, 100,000 data changes per bit
鈥擱egister data retention, 100 years
鈥?X9C303, 32k鈩?/div>
鈥?Packages
鈥?-lead TSSOP
鈥?-lead SOIC
鈥?-pin DIP
BLOCK DIAGRAM
U/D
INC
CS
7-Bit
Up/Down
Counter
99
98
97
7-Bit
Nonvolatile
Memory
96
One
of
One-
Hundred
Decoder
2
Store and
Recall
Control
Circuitry
1
0
DESCRIPTION
The Intersil X9C303 is a digitally controlled potentiom-
eter (XDCP). The device consists of a resistor array,
wiper switches, a control section, and nonvolatile
memory. The wiper position is controlled by a three-
wire interface.
The resistor array is composed of 99 resistive ele-
ments. Between each element and at either end are
tap points accessible to the wiper terminal. The posi-
tion of the wiper element is controlled by the CS, U/D,
and INC inputs. The position of the wiper can be
stored in nonvolatile memory and then be recalled
upon a subsequent power-up operation.
The device can be used as a three-terminal potentio-
meter or as a two-terminal variable resistor in a wide
variety of applications ranging from control, to signal
processing, to parameter adjustment. Digitally-
controlled potentiometers provide three powerful appli-
cation advantages; (1) the variability and reliability of a
solid-state potentiometer, (2) the flexibility of com-
puter-based digital controls, and (3) the use of nonvol-
atile memory for potentiometer settings retention.
R
H/
V
H
Transfer
Gates
Resistor
Array
V
CC
V
SS
R
L/
V
L
R
W/
V
W
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
|
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.

X9C303PI 產(chǎn)品屬性

  • 50

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 100

  • 32k

  • 1

  • 標(biāo)準(zhǔn)值 ±400 ppm/°C

  • 非易失

  • 3 線串行（芯片選擇，遞增，增/減）

  • 4.5 V ~ 5.5 V

  • -40°C ~ 85°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-PDIP

  • 管件

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