參數(shù)資料
型號(hào)： CAT5113LI-00-G
元件分類： 數(shù)字電位計(jì)
英文描述： 100-Tap Digitally Programmable Potentiometer (DPP⑩)
中文描述： 100抽頭數(shù)字可編程電位（民進(jìn)黨⑩）
文件頁數(shù)： 2/13頁
文件大?。?/td> 287K
代理商： CAT5113LI-00-G
CAT5113
Doc. No. MD-2009 Rev. T
2
2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
PIN
CONFIGURATION
PDIP 8-Lead (L)
SOIC 8 Lead (V)
MSOP 8 Lead (Z)
INC
1
8
V
CC
U/D
2
7
ˉˉ
R
H
3
6
R
L
GND
4
5
R
WB
CAT
TSSOP 8 Lead (Y)
ˉˉ
1
8
R
L
V
CC
2
7
R
WB
INC
3
6
GND
U/D
4
5
R
H
CAT
PIN DESCRIPTIONS
Name Function
Increment Control
U/D
Up/Down Control
R
H
Potentiometer High Terminal
GND
Ground
R
W
Buffered Wiper Terminal
R
L
Potentiometer Low Terminal
ˉˉ
Chip Select
V
CC
Supply Voltage
ˉˉˉ
PIN DESCRIPTION
INC
ˉˉˉ:
Increment Control Input
The ˉˉˉ input moves the wiper in the up or down
direction determined by the condition of the U/D input.
U/D:
Up/Down Control Input
The U/D input controls the direction of the wiper
movement. When in a high state and ˉˉ is low, any
high-to-low transition on ˉˉˉ will cause the wiper to
move one increment toward the R
H
terminal. When in
a low state and ˉˉ is low, any high-to-low transition
on ˉˉˉ will cause the wiper to move one increment
towards the R
L
terminal.
R
H
:
High End Potentiometer Terminal
R
H
is the high end terminal of the potentiometer. It is
not required that this terminal be connected to a
potential greater than the R
L
terminal. Voltage applied
to the R
H
terminal cannot exceed the supply voltage,
V
CC
or go below ground, GND.
R
W
:
Wiper Potentiometer Terminal
R
W
is the wiper terminal of the potentiometer. Its
position on the resistor array is controlled by the
control inputs, ˉˉˉ, U/D and ˉˉ.
the R
W
terminal cannot exceed the supply voltage,
V
CC
or go below ground, GND.
Voltage applied to
R
L
:
Low End Potentiometer Terminal
R
L
is the low end terminal of the potentiometer. It is
not required that this terminal be connected to a
potential less than the R
H
terminal. Voltage applied to
the R
L
terminal cannot exceed the supply voltage, V
CC
or go below ground, GND. R
L
and R
H
are electrically
interchangeable.
ˉˉ:
Chip Select
The chip select input is used to activate the control
input of the CAT5113 and is active low. When in a
high state, activity on the ˉˉˉ and U/D inputs will not
affect or change the position of the wiper.
DEVICE OPERATION
Th
e CAT5113 operates like a digitally controlled
potentiometer with R
H
and R
L
equivalent to the high
and low terminals and R
W
equivalent to the mecha–
nical potentiometer's wiper. There are 100 available
tap positions including the resistor end points, R
H
and
R
L
. There are 99 resistor elements connected in
series between the R
H
and RL terminals. The wiper
terminal is connected to one of the 100 taps and
controlled by three inputs, ˉˉˉ, U/D and ˉˉ. These
inputs control a seven-bit up/down counter whose
output is decoded to select the wiper position. The
selected wiper position can be stored in non-volatile
memory using the ˉˉˉ and ˉˉ inputs.
With ˉˉ set LOW the CAT5113 is selected and will
respond to the U/D and ˉˉˉ inputs. HIGH to LOW
transitions on ˉˉˉ wil increment or decrement the
wiper (depending on the state of the U/D input and
seven-bit counter). The wiper, when at either fixed
terminal, acts like its mechanical equivalent and does
not move beyond the last position. The value of the
counter is stored in nonvolatile memory whenever ˉˉ
transitions HIGH while the ˉˉˉ input is also HIGH.
When the CAT5113 is powered-down, the last stored
wiper counter position is maintained in the nonvolatile
memory. When power is restored, the contents of the
memory are recalled and the counter is set to the
value stored.
With ˉˉˉ set low, the CAT5113 may be de-selected
and powered down without storing the current wiper
position in nonvolatile memory. This allows the system
to always power
up to a preset value stored in non
-
volatile memory.
相關(guān)PDF資料
PDF描述
CAT5113LI-01-G 100-Tap Digitally Programmable Potentiometer (DPP⑩)
CAT5114LI-00-G 32-Tap Digitally Programmable Potentiometer (DPP⑩)
CAT5114LI-10-G 32-Tap Digitally Programmable Potentiometer (DPP⑩)
CAT5114LI-50-G 32-Tap Digitally Programmable Potentiometer (DPP⑩)
CAT5114 32-Tap Digitally Programmable Potentiometer (DPP)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CAT5113LI01 功能描述:數(shù)字電位計(jì) IC DPP,NV 100 taps Up/Down RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
CAT5113LI-01-G 功能描述:數(shù)字電位計(jì) IC DPP,NV 100 taps Up/Down RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
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CAT5113LI-10-G 功能描述:數(shù)字電位計(jì) IC DPP,NV 100 taps Up/Down RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
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