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X9430WS24-2.7 Datasheet

  • X9430WS24-2.7

  • Dual Digitally Controlled Potentiometer (XDCP) with Operatio...

  • 326.79KB

  • 21頁

  • INTERSIL   INTERSIL

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ESIGNS
NEW D NT
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Sheet
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p
Data
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PRELIMINARY
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com
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t ou
contac TERSIL or
1-888-IN
廬
X9430
Programmable Analog
March 11, 2005
FN8198.0
Dual Digitally Controlled Potentiometer
(XDCP鈩? with Operational Amplifier
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Two CMOS voltage operational amplifiers
Two digitally controlled potentiometers
Can be combined or used separately
Amplifiers
鈥擫ow voltage operation
鈥擵+/V- = 鹵2.7V to 鹵5.5V
鈥擱ail-to-rail CMOS performance
鈥?MHz gain bandwidth product
鈥?Digitally controlled potentiometer
鈥擠ual 64 tap potentiometers
鈥擱
total
= 10k鈩?/div>
鈥擲PI serial interface
鈥擵
CC
= 2.7V to 5.5V
DESCRIPTION
The X9430 is a monolithic CMOS IC that incorporates
two operational amplifiers and two nonvolatile digitally
controlled potentiometers. The amplifiers are CMOS
differential input voltage operational amplifiers with
near rail-to-rail outputs. All pins for the two amplifiers
are brought out of the package to allow combining
them with the potentiometers or using them as com-
plete stand-alone amplifiers.
The digitally controlled potentiometers consist of a
series string of 63 polycrystalline resistors that behave
as standard integrated circuit resistors. The SPI serial
port, common to both pots, allows the user to program
the connection of the wiper output to any of the resis-
tor nodes in the series string. The wiper position is
saved in the on board E2 memory to allow for nonvola-
tile restoration of the wiper position.
A wide variety of applications can be implemented
using the potentiometers and the amplifiers. A typical
application is to implement the amplifier as a wiper
buffer in circuits that use the potentiometer as a voltage
reference. The potentiometer can also be combined
with the amplifier yielding a digitally programmable gain
amplifier or programmable current source.
BLOCK DIAGRAM
V
CC
HOLD
V
NI0
CS
SCK
SO
SI
A1
A0
Control and
Memory
WCR0
+
鈥?/div>
V
OUT0
V
INV0
V
NI1
+
WCR1
鈥?/div>
V
OUT1
V
INV1
WP
R
W0
R
H0
R
L0
V+
V
SS
R
W1
R
L1
R
H1
V-
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.

X9430WS24-2.7 產品屬性

  • 30

  • 集成電路 (IC)

  • 數據采集 - 數字電位器

  • XDCP™

  • 64

  • 10k

  • 2

  • 標準值 ±300 ppm/°C

  • 非易失

  • 6 線 SPI（芯片選擇，設備位址）

  • 2.7 V ~ 5.5 V

  • 0°C ~ 70°C

  • 表面貼裝

  • 24-SOIC（0.295"，7.50mm 寬）

  • 24-SOIC

  • 管件

X9430WS24-2.7相關型號PDF文件下載

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  • 英文版
    Dual Digitally Controlled Potentiometer (XDCP) with Operatio...
    INTERSIL
  • 英文版
    Dual Digitally Controlled Potentiometer (XDCP) with Operatio...
    INTERSIL [...
  • 英文版
    Dual Digitally Controlled Potentiometer (XDCP) with Operatio...
    INTERSIL
  • 英文版
    Dual Digitally Controlled Potentiometer (XDCP) with Operatio...
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