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CAT5401WI-25-T1 Datasheet(PDF) 1 Page - ON Semiconductor

No. de pieza CAT5401WI-25-T1
Descripción Electrónicos  Quad Digital Potentiometer (POT)
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Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT5401WI-25-T1 Datasheet(HTML) 1 Page - ON Semiconductor

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 Semiconductor Components Industries, LLC, 2013
July, 2013 − Rev. 11
1
Publication Order Number:
CAT5401/D
CAT5401
Quad Digital
Potentiometer (POT)
with 64 Taps
and SPI Interface
Description
The CAT5401 is four digital 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 four
potentiometers is automatically loaded into its respective wiper
control register.
The CAT5401 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
Four 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 100 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
1,000,000 Nonvolatile WRITE Cycles
100 Year Nonvolatile Memory Data Retention
24-lead SOIC and 24-lead TSSOP
Industrial Temperature Range
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
http://onsemi.com
TSSOP−24
Y SUFFIX
CASE 948AR
PIN CONNECTIONS
SOIC−24 (W)
(Top View)
NC
VCC
RL0
RH0
1
RW0
CS
RL3
RH3
RW3
A0
SOIC−24
W SUFFIX
CASE 751BK
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
ORDERING INFORMATION
SO
HOLD
SCK
RL2
RH2
WP
SI
A1
RL1
RH1
CAT5401
RW2
NC
RW1
GND
TSSOP−24 (Y)
(Top View)
CAT5401
WP
CS
RW0
RH0
RL0
VCC
NC
RL3
RH3
RW3
A0
SO
SI
A1
RL1
RH1
RW1
GND
NC
RW2
RH2
RL2
SCK
HOLD
1


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