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參數資料
型號: X9258TV24
元件分類: 數字電位計
英文描述: QUAD 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24
封裝: PLASTIC, TSSOP-24
文件頁數: 1/22頁
文件大小: 412K
代理商: X9258TV24
REV 1.1.7 2/4/03
Characteristics subject to change without notice.
1 of 22
www.xicor.com
Low Noise/Low Power/2-Wire Bus/256 Taps
X9258
Quad Digital Controlled Potentiometers (XDCP)
FEATURES
Four potentiometers in one package
256 resistor taps/pot–0.4% resolution
2-wire serial interface
Wiper resistance, 40
typical @ V+ = 5V, V- = -5V
Four nonvolatile data registers for each pot
Nonvolatile storage of wiper position
Standby current < 5A max (total package)
Power supplies
—VCC = 2.7V to 5.5V
—V+ = 2.7V to 5.5V
—V- = -2.7V to -5.5V
100K
, 50K total pot resistance
High reliability
—Endurance – 100,000 data changes per bit per
register
—Register data retention – 100 years
24-lead SOIC, 24-lead TSSOP, 24-lead CSP (Chip
Scale Package)
Dual supply version of X9259
DESCRIPTION
The
X9258
integrates
4
digitally
controlled
potentiometers
(XDCP)
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 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 though 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
Interface
and
Control
Circuitry
SCL
SDA
A0
A1
A2
A3
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 1
VH1/RH1
VL1/RL1
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
VH0/RH0
VL0/RL0
Data
8
VW0/RW0
VW1/RW1
R0 R1
R2 R3
Resistor
Array
VH2/RH2
VL2/RL2
VW2/RW2
R0 R1
R2 R3
Resistor
Array
VH3/RH3
VL3/RL3
VW3/RW3
Wiper
Counter
Register
(WCR)
Wiper
Counter
Register
(WCR)
Pot 3
Pot 2
WP
Pot 0
VCC
VSS
V+
V-
APPLICATION NOTES
AVAILABLE
AN99 AN115 AN120 AN124 AN133 AN134 AN135
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相關代理商/技術參數
參數描述
X9258TV24-2.7 功能描述:IC XDCP QUAD 256TAP 100K 24TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 標準包裝:2,500 系列:XDCP™ 接片:256 電阻(歐姆):100k 電路數:1 溫度系數:標準值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C(設備位址) 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR)
X9258TV24I 功能描述:IC XDCP QUAD 256TAP 100K 24TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 標準包裝:2,500 系列:XDCP™ 接片:256 電阻(歐姆):100k 電路數:1 溫度系數:標準值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C(設備位址) 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR)
X9258TV24I-2.7 功能描述:IC XDCP QUAD 256TAP 100K 24TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 標準包裝:2,500 系列:XDCP™ 接片:256 電阻(歐姆):100k 電路數:1 溫度系數:標準值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C(設備位址) 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR)
X9258TV24IZ-2.7 功能描述:IC XDCP QUAD 256TP 100K 24TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 接片:256 電阻(歐姆):100k 電路數:2 溫度系數:標準值 35 ppm/°C 存儲器類型:易失 接口:6 線串行(芯片選擇,遞增,增/減) 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR)
X9258TV24Z-2.7 功能描述:IC XDCP QUAD 256TP 100K 24TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 接片:256 電阻(歐姆):100k 電路數:2 溫度系數:標準值 35 ppm/°C 存儲器類型:易失 接口:6 線串行(芯片選擇,遞增,增/減) 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR)
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