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X93254UV14I-3 Datasheet

  • X93254UV14I-3

  • Dual Digitally Controlled Potentiometers

  • 10頁

  • INTERSIL   INTERSIL

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廬
X93254
Data Sheet
March 1, 2005
FN8186.0
Dual Digitally Controlled Potentiometers
(XDCPs鈩?
FEATURES
鈥?Dual solid-state potentiometers
鈥?Independent Up/Down interfaces
鈥?32 wiper tap points per potentiometer
鈥擶iper position stored in nonvolatile memory
and recalled on power-up
鈥?31 resistive elements per potentiometer
鈥擳emperature compensated
鈥擬aximum resistance tolerance of 鹵 30%
鈥擳erminal voltage, 0 to V
CC
鈥?Low power CMOS
鈥擵
CC
= 3V鹵10%
鈥擜ctive current, 250碌A(chǔ) max
鈥擲tandby current, 1碌A(chǔ) max
鈥?High reliability
鈥擡ndurance 200,000 data changes per bit
鈥擱egister data retention, 100 years
鈥?R
TOTAL
value = 50k
鈩?/div>
鈥?14-lead TSSOP package
BLOCK DIAGRAM
DESCRIPTION
The Intersil X93254 is a dual digitally controlled poten-
tiometer (XDCP). The device consists of two resistor
arrays, wiper switches, a control section, and nonvola-
tile memory. The wiper positions are controlled by indi-
vidual Up/Down interfaces.
A potentiometer is implemented by a resistor array
composed of 31 resistive elements and a wiper switch-
ing network. The position of each wiper element is
controlled by a set of independent CS, U/D, and INC
inputs. The position of the wiper can be stored in non-
volatile memory and then be recalled upon a subse-
quent power-up operation.
Each potentiometer is connected as a two-terminal
variable resistor and can be used in a wide variety of
applications including:
鈥?Bias and Gain control
鈥?LCD Contrast Adjustment
V
CC
(Supply Voltage)
R
H1
30K
30K
Up/Down
(U/D
1
)
Increment
(INC
1
)
Device Select
(CS
1
)
Up/Down
(U/D
2
)
Increment
(INC
2
)
Device Select
(CS
2
)
V
SS
(Ground)
Control
and
Memory
Control
and
Memory
R
L1
R
H2
R
L2
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.

X93254UV14I-3 產(chǎn)品屬性

  • 95

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 32

  • 50k

  • 2

  • 標(biāo)準(zhǔn)值 ±35 ppm/°C

  • 非易失

  • 6 線串行（芯片選擇，遞增，增/減）

  • 2.7 V ~ 3.3 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 14-TSSOP（0.173"，4.40mm 寬）

  • 14-TSSOP

  • 管件

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