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X9455YV24-2.7 Datasheet

  • X9455YV24-2.7

  • Dual Two-wiper Digitally-Controlled (XDCP) Potentiometer

  • 370.34KB

  • 18頁

  • INTERSIL   INTERSIL

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廬
X9455
Data Sheet
November 10, 2004
FN8202.0
Dual Two-wiper Digitally-Controlled
(XDCP鈩? Potentiometer
The X9455 integrates 2 digitally controlled potentiometers
(XDCP), each one with dual wipers, 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 wiper terminals through
switches. The position of each wiper on the array is
controlled by the user through the U/D or 2-wire bus
interface. Each potentiometer wiper has associated with it
two volatile Wiper Counter Register (WCR) and each WCR
has associated with it four non-volatile Data Registers 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. The contents of the default data
registers (DR0A0, DR0B0, DR1A0, DR1B0) are loaded into
the WCR on power up.
The DCP can be used as a four-terminal potentiometer in a
wide variety of applications including the programming of
bias voltages, window comparators, and three resistor
programmable networks.
Features
鈥?Dual Two-wiper solid state potentiometer
鈥?256 Resistor tap points-0.4% resolution
鈥?2-wire serial interface for Write, Read, and
transfer operations of the potentiometer
鈥?Up/Down interface for individual potentiometer wipers
鈥?Wiper resistance, 40鈩?typical
鈥?Non-volatile storage of wiper positions
鈥?Power On Recall Loads saved wiper position on Power
Up.
鈥?Standby Current < 20碌A(chǔ) Max
鈥?Maximum Wiper Current: 3mA
鈥?V
CC
: 2.7V to 5.5V operation
鈥?2.8k鈩?10k鈩? 50k鈩? 100k鈩?version of total pot resistance
鈥?Endurance: 100,000 Data changes per bit per register
鈥?100 yr. data retention
鈥?24-Lead TSSOP
Ordering Information
PART NUMBER
X9455YV24-2.7
X9455YV24I-2.7
X9455WV24-2.7
X9455WV24I-2.7
X9455UV24-2.7
X9455UV24I-2.7
X9455TV24-2.7
X9455TV24I-2.7
RTOTAL
2.8k鈩?/div>
2.8k鈩?/div>
10k鈩?/div>
10k鈩?/div>
50k鈩?/div>
50k鈩?/div>
100k鈩?/div>
100k鈩?/div>
PACKAGE
24-lead TSSOP
24-lead TSSOP
24-lead TSSOP
24-lead TSSOP
24-lead TSSOP
24-lead TSSOP
24-lead TSSOP
24-lead TSSOP
OPERATING
TEMP RANGE
(擄C)
0 to 70
-40 to +85
0 to 70
-40 to +85
0 to 70
-40 to +85
0 to 70
-40 to +85
Pinout
X9455
(24-LD TSSOP)
TOP VIEW
DS0
A0
RW0B
NC
NC
U/D
Vcc
RL0
RH0
RW0A
A2
WP
1
2
3
4
5
6
7
8
9
10
11
12
X9455
18
17
16
15
14
13
Vss
RW1B
NC
NC
A1
SDA
24
23
22
21
20
19
DS1
SCL
RL1
RH1
RW1A
CS
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

X9455YV24-2.7 產(chǎn)品屬性

  • 62

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 256

  • 2.8k

  • 2

  • 標(biāo)準(zhǔn)值 ±300 ppm/°C

  • 非易失

  • 9 線串行（芯片選擇，設(shè)備位址，動(dòng)觸點(diǎn)位址）

  • 2.7 V ~ 5.5 V

  • 0°C ~ 70°C

  • 表面貼裝

  • 24-TSSOP（0.173"，4.40mm 寬）

  • 24-TSSOP

  • 管件

  • X9455ZV24-2.7X9455ZV24-2.7-ND

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