IC XDCP QUAD 64-TAP 10K 24-TSSOP

 

X9401WV24ZT1

Manufacturer Part NumberX9401WV24ZT1
DescriptionIC XDCP QUAD 64-TAP 10K 24-TSSOP
ManufacturerIntersil
SeriesXDCP™
X9401WV24ZT1 datasheets

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Warranty: 60 days

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Specifications of X9401WV24ZT1

Taps64Resistance (ohms)10K
Number Of Circuits4Temperature Coefficient300 ppm/°C Typical
Memory TypeNon-VolatileInterfaceSPI, 3-Wire Serial
Voltage - Supply4.5 V ~ 5.5 VOperating Temperature0°C ~ 70°C
Mounting TypeSurface MountPackage / Case24-TSSOP
Resistance In Ohms10KLead Free Status / RoHS StatusLead free / RoHS Compliant
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Data Sheet
Quad, 64 Tap, Digitally Controlled
Potentiometer (XDCP™)
Description
The X9401 integrates 4 digitally controlled potentiometers
(XDCP) on a monolithic CMOS integrated microcircuit.
The digitally controlled potentiometer is implemented using
64 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. 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
R0
SS
R2
HOLD
CS
SCK
INTERFACE
SO
AND
CONTROL
SI
8
CIRCUITRY
A0
A1
DATA
WP
R0
R2
1
October 13, 2009
Features
• Quad - 4 Separate Pots, 64 Taps/Pot
• Nonvolatile Storage of Wiper Position
• Four Nonvolatile Data Registers for Each Pot
• 16-bytes of EEPROM Memory
• SPI Serial Interface
• R
= 10kΩ
TOTAL
• Wiper Resistance = 150Ω Typical
• Standby Current < 3µA (Total Package)
• Operating Current < 700µA max.
• V
= 2.7V to 5V
CC
• 24 Ld SOIC and 24 Ld TSSOP Package
• 100 year Data Retention
• Pb-Free Available (RoHS Compliant)
POT 0
R1
V
/R
H0
H0
WIPER
COUNTER
REGISTER
(WCR)
V
/R
R3
L0
L0
V
/R
W0
W0
V
/R
W1
W1
R1
V
/R
WIPER
H1
H1
RESISTOR
COUNTER
ARRAY
REGISTER
POT 1
(WCR)
R3
V
/R
L1
L1
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, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X9401
Low Noise/Low Power/SPI Bus
FN8190.4
R0
R1
WIPER
V
/R
H2
H2
RESISTOR
COUNTER
ARRAY
REGISTER
POT 2
(WCR)
R2
R3
V
/R
L2
L2
V
/R
W2
V
/R
W3
R0
R1
V
/R
WIPER
H3
H3
RESISTOR
COUNTER
ARRAY
REGISTER
POT 3
(WCR)
R2
R3
V
/R
L3
L3
W2
W3

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X9401WV24ZT1 Summary of contents

  • Page 1

    ... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005-2006, 2009. All Rights Reserved All other trademarks mentioned are the property of their respective owners. X9401 Low Noise/Low Power/SPI Bus FN8190 ...

  • Page 2

    ... 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 3

    Pinouts X9401 (24 LD SOIC) TOP VIEW ...

  • Page 4

    Data Registers Each potentiometer has four 6-bit nonvolatile data registers. These can be read or written directly by the host. Data can also be transferred between any of the four data registers and the associated Wiper Counter Register. All operations ...

  • Page 5

    Wiper Counter Register. These instructions are: • Read Wiper Counter Register: read the current wiper position of the selected pot, • Write Wiper Counter Register: change current wiper position of the selected pot, ...

  • Page 6

    CS SCK SCL FIGURE 4. THREE-BYTE COMMAND SEQUENCE (WRITE) CS SCL FIGURE 5. THREE-BYTE COMMAND SEQUENCE (READ) ...

  • Page 7

    SCK INC/DEC CMD ISSUED INSTRUCTION I 3 Read Wiper Counter Register 1 Write Wiper Counter Register 1 Read Data Register 1 Write Data Register 1 XFR Data Register to Wiper 1 Counter Register XFR Wiper ...

  • Page 8

    Instruction Format NOTES A0”: stands for the device addresses sent by the master. 4. WPx refers to wiper position data in the Counter Register 5. “I”: stands for the increment operation, SI held HIGH during active SCK ...

  • Page 9

    Global Transfer Wiper Counter Register (WCR) to Data Register (DR) DEVICE TYPE DEVICE CS IDENTIFIER ADDRESSES FALLING EDGE Read Status DEVICE TYPE DEVICE CS IDENTIFIER ADDRESSES FALLING EDGE ...

  • Page 10

    ... CC 10 X9401 Thermal Information Temperature Under Bias . . . . . . . . . . . . . . . . . . . . .-65°C to +135°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Pb-Free Reflow Profile .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Operating Conditions Temperature Range Commercial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C Industrial .-40°C to +85°C TEST CONDITION +25°C, each pot I ...

  • Page 11

    DC Operating Characteristics (Over the recommended operating conditions unless otherwise specified.) SYMBOL PARAMETER I V Supply Current (active) CC1 Supply Current (non-volatile write) CC2 Current (standby Input Leakage Current LI I ...

  • Page 12

    AC Timing SYMBOL f SSI/SPI clock frequency SCK t SSI/SPI clock cycle rime CYC t SSI/SPI clock high rime WH t SSI/SPI clock low time WL t Lead time LEAD t Lag time LAG t SI, SCK, HOLD and CS ...

  • Page 13

    Symbol Table WAVEFORM INPUTS OUTPUTS MUST BE WILL BE STEADY STEADY MAY CHANGE WILL CHANGE FROM FROM HIGH HIGH MAY CHANGE WILL CHANGE FROM HIGH TO FROM HIGH TO LOW LOW DON’T CARE: CHANGING: ...

  • Page 14

    Hold Timing CS SCK HOLD XDCP Timing (for All Load Instructions) CS SCK MSB HIGH IMPEDANCE SO XDCP Timing (for Increment/Decrement Instruction) CS SCK ADDR SI HIGH ...

  • Page 15

    Applications information Basic Configurations of Electronic Potentiometers V R THREE TERMINAL POTENTIOMETER; VARIABLE VOLTAGE DIVIDER Application Circuits NONINVERTING AMPLIFIER – (1 OFFSET VOLTAGE ADJUSTMENT ...

  • Page 16

    Application Circuits (continued) INVERTING AMPLIFIER – – X9401 EQUIVALENT L-R CIRCUIT ...

  • Page 17

    Small Outline Plastic Packages (SOIC) N INDEX 0.25(0.010) H AREA E - SEATING PLANE - -C- α 0.10(0.004) 0.25(0.010 NOTES: 1. Symbols are defined in the ...

  • Page 18

    ... 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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