參數資料
| 型號： | X9268UV24 |
| 廠商： | Intersil |
| 文件頁數： | 1/22頁 |
| 文件大小： | 0K |
| 描述： | IC XDCP DUAL 256TAP 50K 24-TSSOP |
| 標準包裝： | 62 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 電阻（歐姆）： | 50k |
| 電路數： | 2 |
| 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： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 24-TSSOP |
| 包裝： | 管件 |
1
FN8172.4
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X9268
Dual Supply/Low Power/256-Tap/2-Wire Bus
Dual Digitally-Controlled (XDCP)
Potentiometers
FEATURES
Dual–Two Separate Potentiometers
256 Resistor Taps/Pot–0.4% Resolution
2-Wire Serial Interface for Write, Read, and
Transfer Operations of the Potentiometer
Wiper Resistance, 100
typical @ V+ = 5V,
V- = -5V
16 Nonvolatile Data Registers for Each
Potentiometer
Nonvolatile Storage of Multiple Wiper Positions
Power-on Recall. Loads Saved Wiper Position
on Power-up.
Standby Current <5A Max
VCC: ±2.7V to ±5.5V Operation
50k
, 100k Versions of End to End Pot
Resistance
Endurance: 100,000 Data Changes per Bit per
Register
100 yr. Data Retention
24 Ld SOIC
Low Power CMOS
Power Supply VCC = ±2.7V to ±5.5V
V+ = 2.7V to 5.5V
V- = -2.7V to -5.5V
Pb-Free Plus Anneal Available (RoHS Compliant)
DESCRIPTION
The
X9268
integrates
2
digitally
controlled
potentiometer (XDCP) on a monolithic CMOS
integrated circuit.
The digital 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 a four nonvolatile 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. Powerup
recalls the contents of the default Data Register (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.
FUNCTIONAL DIAGRAM
RH0
RL0
RW0
VCC
VSS
2-Wire
Bus
50k
or 100k versions
RH1
RL1
RW1
Power-on Recall
Wiper Counter
Registers (WCR)
Data Registers
(DR0–DR3)
Interface
Bus
Interface
and Control
Address
Data
Status
Write
Read
Transfer
Inc/Dec
Control
V+
V-
Data Sheet
August 29, 2006
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