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CAT5411WI25 Datasheet(PDF) 1 Page - ON Semiconductor

Part # CAT5411WI25
Description  Dual Digital Potentiometer (POT)
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

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 Semiconductor Components Industries, LLC, 2013
July, 2013 − Rev. 13
1
Publication Order Number:
CAT5411/D
CAT5411
Dual Digital
Potentiometer (POT)
with 64 Taps
and SPI Interface
Description
The CAT5411 is two digital potentiometers (POTs) integrated with
control logic and 16 bytes of NVRAM memory. Each digital POT
consists of a series of 63 resistive elements connected between two
externally accessible end points. The tap points between each resistive
element are connected to the wiper outputs with CMOS switches. A
separate 6-bit control register (WCR) independently controls the
wiper tap switches for each digital POT. Associated with each wiper
control register are four 6-bit non-volatile memory data registers (DR)
used for storing up to four wiper settings. Writing to the wiper control
register or any of the non-volatile data registers is via a SPI serial bus.
On power-up, the contents of the first data register (DR0) for each of
the two potentiometers is automatically loaded into its respective
wiper control register.
The CAT5411 can be used as a potentiometer or as a two terminal,
variable resistor. It is intended for circuit level or system level
adjustments in a wide variety of applications.
Features
Two Linear-taper Digital Potentiometers
64 Resistor Taps per Potentiometer
End to End Resistance 2.5 kW, 10 kW, 50 kW or 100 kW
Potentiometer Control and Memory Access via SPI Interface:
Mode (0, 0) and (1, 1)
Low Wiper Resistance, Typically 80 W
Nonvolatile Memory Storage for up to Four Wiper Settings for Each
Potentiometer
Automatic Recall of Saved Wiper Settings at Power Up
2.5 to 6.0 Volt Operation
Standby Current less than 1 mA
24-lead SOIC and 24-lead TSSOP
Industrial Temperature Ranges
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
http://onsemi.com
TSSOP24
Y SUFFIX
CASE 948AR
PIN CONNECTIONS
SOIC−24 (W)
(Top View)
NC
VCC
RL0
RH0
1
RW0
CS
NC
NC
NC
A0
SOIC−24
W SUFFIX
CASE 751BK
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
ORDERING INFORMATION
SO
HOLD
SCK
NC
NC
WP
SI
A1
RL1
RH1
CAT5411
NC
NC
RW1
GND
TSSOP24 (Y)
(Top View)
CAT5411
WP
CS
RW0
RH0
RL0
VCC
NC
NC
NC
NC
A0
SO
SI
A1
RL1
RH1
RW1
GND
NC
NC
NC
NC
SCK
HOLD
1


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