IC XDCP QUAD 4X10K EE 20-SOIC

 

X9241AWSIZT1

Manufacturer Part NumberX9241AWSIZT1
DescriptionIC XDCP QUAD 4X10K EE 20-SOIC
ManufacturerIntersil
SeriesXDCP™
X9241AWSIZT1 datasheets

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Warranty: 60 days

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Specifications of X9241AWSIZT1

Taps64Resistance (ohms)10K
Number Of Circuits4Temperature Coefficient30 ppm/°C Typical
Memory TypeNon-VolatileInterfaceI²C, 2-Wire Serial
Voltage - Supply4.5 V ~ 5.5 VOperating Temperature-40°C ~ 85°C
Mounting TypeSurface MountPackage / Case20-SOIC (7.5mm Width)
Resistance In Ohms10K, 10K, 10K, 10KLead Free Status / RoHS StatusLead free / RoHS Compliant
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Data Sheet
Non-Volatile/Low Power/2-Wire/64 Taps
The X9241A integrates four digitally controlled
potentiometers (XDCP) on a monolithic CMOS integrated
microcircuit.
The digitally controlled potentiometer is implemented using
63 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 through 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
V
CC
V
SS
SCL
SDA
INTERFACE
AND
A0
CONTROL
A1
8
CIRCUITRY
A2
A3
DATA
1
Quad Digital Controlled Potentionmeters (XDCP™)
August 31, 2007
Features
• Four potentiometers in one package
• 2-wire serial interface
• Register oriented format
- Direct read/write/transfer of wiper positions
- Store as many as four positions per potentiometer
• Terminal Voltages: +5V, -3.0V
• Cascade resistor arrays
• Low power CMOS
• High Reliability
- Endurance–100,000 data changes per bit per register
- Register data retention–100 years
• 16-bytes of nonvolatile memory
• 3 resistor array values
- 2kΩ, 10kΩ, 50kΩ or combination
- Cascadable for values of 4kΩ to 200kΩ
• Resolution: 64 taps each pot
• 20 Ld plastic DIP, 20 Ld TSSOP and 20 Ld SOIC
packages
• Pb-free available (RoHS compliant)
R0
R1
V
/R
H0
H0
WIPER
COUNTER
REGISTER
(WCR)
V
/R
R2
R3
L0
L0
V
/R
W0
W0
V
/R
H1
H1
R0
R1
WIPER
REGISTER
COUNTER
ARRAY
REGISTER
POT 1
V
/R
(WCR)
L1
L1
R2
R3
V
/R
W1
W1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006, 2007. All Rights Reserved
X9241A
FN8164.6
R0
R1
WIPER
REGISTER
COUNTER
ARRAY
REGISTER
POT 2
(WCR)
R2
R3
R0
R1
WIPER
REGISTER
COUNTER
ARRAY
REGISTER
POT 3
(WCR)
R2
R3
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
All other trademarks mentioned are the property of their respective owners.
V
/
H2
R
H2
V
/R
L2
L2
V
/R
W2
W2
V
/R
H3
H3
V
/R
L3
L3
V
/R
W3
W3

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X9241AWSIZT1 Summary of contents

  • Page 1

    ... REGISTER POT (WCR CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2006, 2007. All Rights Reserved X9241A FN8164 WIPER REGISTER COUNTER ARRAY REGISTER POT 2 (WCR ...

  • Page 2

    Ordering Information PART NUMBER PART MARKING X9241AMP X9241AMP X9241AMPZ (Note) X9241AMPZ X9241AMPI X9241AMPI X9241AMPIZ (Note) X9241AMPIZ X9241AMS* X9241AMS X9241AMSZ* (Note) X9241AMS Z , X9241AMSI* ** X9241AMSI X9241AMSIZ* (Note) X9241AMSI Z X9241AMV X9241AM V X9241AMVZ (Note) X9241AM VZ , X9241AMVI* ** ...

  • Page 3

    ... NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. ...

  • Page 4

    Principles of Operation The X9241A is a highly integrated microcircuit incorporating four resistor arrays, their associated registers and counters and the serial interface logic providing direct communication between the host and the XDCP potentiometers. Serial Interface The X9241A supports a ...

  • Page 5

    Flow 1. ACK Polling Sequence NONVOLATILE WRITE COMMAND COMPLETED ENTER ACK POLLING ISSUE START ISSUE SLAVE ADDRESS ACK NO RETURNED? YES NO FURTHER OPERATION? YES ISSUE INSTRUCTION PROCEED Instruction Structure The next byte sent to the X9241A contains the instruction ...

  • Page 6

    SCL SDA SCL SDA FIGURE 5. INCREMENT/DECREMENT INSTRUCTION SEQUENCE INC/DEC CMD ISSUED SCL SDA V /R ...

  • Page 7

    INSTRUCTION FORMAT INSTRUCTION XFR Data Register to WCR XFR WCR Data Register Global XFR Data Register to WCR Global ...

  • Page 8

    Detailed Operation All four XDCP potentiometers share the serial interface and share a common architecture. Each potentiometer is comprised of a resistor array, a Wiper Counter Register and four Data Registers. A detailed discussion of the register organization and array ...

  • Page 9

    Cascade Mode The X9241A provides a mechanism for cascading the arrays. That is, the sixty-three resistor elements of one array may be cascaded (linked) with the resistor elements of an adjacent array. The the higher order array ...

  • Page 10

    ... Max = all four arrays cascaded together, Typical = individual array resolutions. 10 X9241A Thermal Information Temperature under bias -65 to +135°C Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150°C Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below . . . . . . . . . . . . . . ±3mA http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions Temperature (Commercial 0°C to +70°C Temperature (Industrial .-40°C to +85°C TEST CONDITION Wiper Current = ( )/R ...

  • Page 11

    Endurance and Data Retention PARAMETER Minimum endurance Data retention Capacitance SYMBOL C (Note 7) Input/output capacitance (SDA) I/O C (Note 7) Input capacitance (A0, A1, A2, A3 and SCL) IN Power-up Timing SYMBOL t (Note 8) Power-up to initiation of ...

  • Page 12

    Equivalent AC Test Circuit 5V 1533Ω SDA OUTPUT Circuit #3 SPICE Macro Model MACRO MODEL R TOTAL 15pF 25pF R W SCL t SU:STA SDA (DATA IN) AC Electrical Specifications (Over recommended operating conditions ...

  • Page 13

    AC Electrical Specifications (Over recommended operating conditions unless otherwise stated). (Continued) SYMBOL t Data in setup time SU:DAT t Data in hold time HD:DAT t SCL LOW to SDA data out valid AA t Data out hold time DH t ...

  • Page 14

    Thin Shrink Small Outline Package Family (TSSOP (N/2)+ (N/2) B TOP VIEW e C SEATING PLANE b 0.10 0. LEADS SIDE VIEW SEE DETAIL “X” c END VIEW ...

  • Page 15

    Small Outline Package Family (SO PIN #1 I.D. MARK 0.010 SEATING PLANE 0.004 C 0.010 MDP0027 SMALL OUTLINE PACKAGE FAMILY (SO) SYMBOL SO-8 SO-14 ...

  • Page 16

    ... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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