X9111 Datasheet PDF | Xicor





X9111 Datasheet PDF Download

Part Number X9111
Description Single Digitally-Controlled Potentiometer
Manufacture Xicor
Total Page 21 Pages
PDF Download Download X9111 Datasheet PDF

Features: APPLICATION NOTES AND DEVELOPMENT SYSTEM A V A I L A B L E AN99 • AN115 • A N124 •AN133 • AN134 • AN135 Sing le Supply / Low Power / 1024-tap / SPI bus Preliminary Information X9111 Si ngle Digitally-Controlled (XDCP™) Pot entiometer FEATURES • 1024 Resistor T aps – 10-Bit Resolution • SPI Seria l Interface for write, read, and transf er operations of the potentiometer • Wiper Resistance, 40Ω Typical @ 5V Four Non-Volatile Data Registers • Non-Volatile Storage of Multiple Wiper Positions • Power On Recall. Loads Sa ved Wiper Position on Power Up. • Sta ndby Current < 3µA Max • VCC: 2.7V t o 5.5V Operation • 100KΩ End to End Resistance • 100 yr. Data Retention • Endurance: 100, 000 Data Changes Pe r Bit Per Register • 14-Lead TSSOP, 1 5-Lead CSP (Chip Scale Packaging) • L ow Power CMOS • Single Supply version of the X9110 DESCRIPTION The X9111 int egrates a single digitally controlled p otentiometer (XDCP) on a monolithic CMOS integrated circuit. The digital controlled potentiometer is implement.

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X9111 datasheet
APPLICATION NOTES AND DEVELOPMENT SYSTEM
AVAILABLE
AN99 • AN115 • AN124 •AN133 • AN134 • AN135
Single Supply / Low Power / 1024-tap / SPI bus
Preliminary Information
X9111
Single Digitally-Controlled (XDCP) Potentiometer
FEATURES
• 1024 Resistor Taps – 10-Bit Resolution
• SPI Serial Interface for write, read, and transfer
operations of the potentiometer
• Wiper Resistance, 40Typical @ 5V
• Four Non-Volatile Data Registers
• Non-Volatile Storage of Multiple Wiper Positions
• Power On Recall. Loads Saved Wiper Position on
Power Up.
• Standby Current < 3µA Max
• VCC: 2.7V to 5.5V Operation
• 100KEnd to End Resistance
• 100 yr. Data Retention
• Endurance: 100, 000 Data Changes Per Bit Per
Register
• 14-Lead TSSOP, 15-Lead CSP (Chip Scale
Packaging)
• Low Power CMOS
• Single Supply version of the X9110
DESCRIPTION
The X9111 integrates a single digitally controlled
potentiometer (XDCP) on a monolithic CMOS
integrated circuit.
The digital controlled potentiometer is implemented
using 1023 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
SPI bus interface. The potentiometer has associated
with it a volatile Wiper Counter Register (WCR) and
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. 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
VCC
RH
SPI
Bus
Interface
Address
Data
Status
Bus
Interface &
Control
Write
Read
Transfer
Control
Power On Recall
Wiper Counter
Register (WCR)
Data Registers
(DR0-DR3)
Wiper
100K
1024-taps
POT
VSS NC RW RL
REV 1.1.15 5/9/03
www.xicor.com
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