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CAT5241JI-50

Description
Quad Digitally Programmable Potentiometers (DPP⑩) with 64 Taps and 2-wire Interface
CategoryAnalog mixed-signal IC    converter   
File Size110KB,16 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Download Datasheet Parametric Compare View All

CAT5241JI-50 Overview

Quad Digitally Programmable Potentiometers (DPP⑩) with 64 Taps and 2-wire Interface

CAT5241JI-50 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerCatalyst
Parts packaging codeSOIC
package instructionSOP, SOP20,.4
Contacts20
Reach Compliance Codeunknow
ECCN codeEAR99
Other featuresNONVOLATILE MEMORY
control interface2-WIRE SERIAL
Converter typeDIGITAL POTENTIOMETER
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length15.4 mm
Humidity sensitivity level1
Number of functions4
Number of positions64
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)240
power supply3/5 V
Certification statusNot Qualified
resistance lawLINEAR
Maximum resistor tolerance20%
Maximum resistor terminal voltage3 V
Minimum resistor terminal voltage
Maximum seat height2.65 mm
Nominal supply voltage3 V
surface mountYES
Nominal temperature coefficient300 ppm/°C
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
Nominal total resistance50000 Ω
width7.5 mm
CAT5241
Quad Digitally Programmable Potentiometers (DPP™)
with 64 Taps and 2-wire Interface
FEATURES
s
Four linear-taper digitally programmable
H
GEN
FR
ALO
EE
LE
A
D
F
R
E
E
TM
s
Automatic recall of saved wiper settings at
potentiometers
s
64 resistor taps per potentiometer
s
End to end resistance 2.5k
, 10k
, 50k
or 100k
s
Potentiometer control and memory access via
power up
s
2.5 to 6.0 volt operation
s
Standby current less than 1
µ
A
s
1,000,000 nonvolatile WRITE cycles
s
100 year nonvolatile memory data retention
s
20-lead SOIC and TSSOP packages
s
Industrial temperature range
2-wire interface (I
2
C like)
s
Low wiper resistance, typically 80Ω
s
Nonvolatile memory storage for up to four wiper
settings for each potentiometer
DESCRIPTION
The CAT5241 is four Digitally Programmable
Potentiometers (DPPs™) integrated with control logic
and 16 bytes of NVRAM memory. Each DPP 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 DPP. 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 2-wire serial bus (I
2
C-like). 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 (WCR).
The CAT5241 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.
PIN CONFIGURATION
SOIC Package (J, W)
TSSOP Package (U, Y)
RW0
RL0
RH0
A0
A2
RW1
RL1
RH1
SDA
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
CAT
16
5241
15
14
13
12
11
VCC
RW3
RL3
RH3
A1
A3
SCL
RW2
RL2
RH2
FUNCTIONAL DIAGRAM
RH0 RH1
RH2 R H3
SCL
SDA
2-WIRE BUS
INTERFACE
WIPER
CONTROL
REGISTERS
R W0
R W1
R W2
A0
A1
A2
A3
CONTROL
LOGIC
NONVOLATILE
DATA
REGISTERS
R W3
RL0 RL1
RL2 R L3
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Document No. 2011, Rev. J

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Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible
Maker Catalyst Catalyst Catalyst Catalyst Catalyst Catalyst Catalyst Catalyst
Parts packaging code SOIC SOIC SOIC SOIC TSSOP TSSOP TSSOP TSSOP
package instruction SOP, SOP20,.4 SOP, SOP20,.4 SOP, SOP20,.4 SOP, SOP20,.4 TSSOP, TSSOP20,.25 TSSOP, TSSOP20,.25 TSSOP, TSSOP20,.25 TSSOP, TSSOP20,.25
Contacts 20 20 20 20 20 20 20 20
Reach Compliance Code unknow unknow unknow unknow unknow unknow unknow unknow
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Other features NONVOLATILE MEMORY NONVOLATILE MEMORY NONVOLATILE MEMORY NONVOLATILE MEMORY NONVOLATILE MEMORY NONVOLATILE MEMORY NONVOLATILE MEMORY NONVOLATILE MEMORY
control interface 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL
Converter type DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER
JESD-30 code R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20
JESD-609 code e0 e0 e0 e0 e0 e0 e0 e0
length 15.4 mm 15.4 mm 15.4 mm 15.4 mm 6.5 mm 6.5 mm 6.5 mm 6.5 mm
Humidity sensitivity level 1 1 1 1 1 1 1 1
Number of functions 4 4 4 4 4 4 4 4
Number of positions 64 64 64 64 64 64 64 64
Number of terminals 20 20 20 20 20 20 20 20
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP SOP TSSOP TSSOP TSSOP TSSOP
Encapsulate equivalent code SOP20,.4 SOP20,.4 SOP20,.4 SOP20,.4 TSSOP20,.25 TSSOP20,.25 TSSOP20,.25 TSSOP20,.25
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 240 240 240 240 240 240 240 240
power supply 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
resistance law LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR
Maximum resistor tolerance 20% 20% 20% 20% 20% 20% 20% 20%
Maximum resistor terminal voltage 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V
Maximum seat height 2.65 mm 2.65 mm 2.65 mm 2.65 mm 1.2 mm 1.2 mm 1.2 mm 1.2 mm
Nominal supply voltage 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V
surface mount YES YES YES YES YES YES YES YES
Nominal temperature coefficient 300 ppm/°C 300 ppm/°C 300 ppm/°C 300 ppm/°C 300 ppm/°C 300 ppm/°C 300 ppm/°C 300 ppm/°C
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm 1.27 mm 1.27 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 30 30 30 30 30 30 30
Nominal total resistance 50000 Ω 100000 Ω 10000 Ω 2500 Ω 100000 Ω 10000 Ω 2500 Ω 50000 Ω
width 7.5 mm 7.5 mm 7.5 mm 7.5 mm 4.4 mm 4.4 mm 4.4 mm 4.4 mm
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