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5241 Datasheet

  • 5241

  • Quad Digitally Programmable Potentiometers (DPP⑩) with 64 T...

  • 113.17KB

  • 16頁(yè)

  • CATALYST

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CAT5241
Quad Digitally Programmable Potentiometers (DPP鈩?
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
鈩?/div>
, 10k
鈩?/div>
, 50k
鈩?/div>
or 100k
鈩?/div>
s
Potentiometer control and memory access via
power up
s
2.5 to 6.0 volt operation
s
Standby current less than 1
碌
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)
鈩?/div>
s
Low wiper resistance, typically 80鈩?/div>
s
Nonvolatile memory storage for up to four wiper
settings for each potentiometer
DESCRIPTION
The CAT5241 is four Digitally Programmable
Potentiometers (DPPs鈩? 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
漏 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Document No. 2011, Rev. J

5241 產(chǎn)品屬性

  • 100

  • 電池產(chǎn)品

  • 電池座，夾，觸點(diǎn)

  • -

  • 圓柱形，觸點(diǎn)（單）

  • 觸點(diǎn)彈簧（線圈）

  • C

  • -

  • -

  • 自定義

  • -

  • -

  • -

  • LR14XWA/C-ND - BATT IND ALKALINE C SIZEP644-ND - BATTERY IND ALKALINE C SIZESY128-ND - BATT NICAD 1.2V C 2500MAHSY123-ND - BATT NICAD 1.2V C 3000MAHP639-ND - BATT NIMH 1.2V 3100MAH H TYPEN702-ND - BATT NIMH C 1.2V RETAIL 2 PKN114-ND - BATTERY SUPER HEAVY DUTY C SIZEN106-ND - BATTERY IND ALKALINE C SIZE439-1018-ND - BATTERY LITH C 3.6V HC CYLINDER439-1017-ND - BATTERY LITH C 3.6V XTRA CYL

  • 5241K

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