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參數(shù)資料
| 型號： | CAT5132Z-100TE13 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 15 Volt Digitally Programmable Potentiometer (DPP) with 128 Taps and 2-wire Interface |
| 中文描述： | 15伏數(shù)字可編程電位（民進黨）的128抽頭和2線接口 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 245K |
| 代理商： | CAT5132Z-100TE13 |
1
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 25092, Rev. 00
15 Volt Digitally Programmable Potentiometer (DPP)
with 128 Taps and 2-wire Interface
CAT5132
FEATURES
I
Single linear Digitally Programmable Potentiometer
I
128 Resistor taps
I
End-to-end resistance of 10k
, 50k
& 100k
I
Potentiometer control and memory access via
2-wire interface (I
2
C-like)
I
Nonvolatile memory storage for wiper settings
I
Automatic recall of saved wiper setting at power up
I
Special increment/decrement instruction mode for
automatic trimming adjustments
I
V
CC
operation from 2.7 V to 5.5 V
I
V+ (Analog Voltage Supply) operation from +8 V to
+15V
I
Standby current less than 15
μ
A
I
100 year nonvolatile memory data retention
I
10-pin MSOP package
I
Operating temperature of -40C to + 85C
APPLICATIONS
I
LCD screen adjustment
I
Volume control
I
Mechanical potentiometer replacement
I
Gain adjustment
I
Line impedance matching
I
VCOM setting adjustments
DESCRIPTION
The CAT5132 is a high voltage Digitally Programmable
Potentiometer (DPP) integrated with EEPROM memory
and control logic to operate in a similar manner as a
mechanical potentiometer. The DPP consists of a series
of resistive elements connected between two externally
accessible end points. The tap points between each
resistive element are connected to the wiper output with
CMOS switches. A separate 7-bit control register (WCR)
independently controls the wiper tap switches for the
DPP. Associated with the control register is a 7-bit
nonvolatile memory data register (DR) used for storing
wiper settings. Writing to the wiper control register or the
nonvolatile data register is via a 2-wire serial bus (I
2
C-
like).
On power-up, WCR is set to mid scale (1000000) and
after the Power Supply becomes stable, the contents of
the data register (DR) are transferred to the wiper control
register (WCR) and the wiper is positioned to that
location.
The CAT5132 comes with 2 voltage supply inputs: V
CC
,
the digital supply voltage input and V+, an analog supply
voltage input. These inputs allow the V+ to be as much
as 10 volts higher than the V
CC
and allow the DPP
terminal values to be as much as 15 volts above ground.
The CAT5132 can be used as a potentiometer or as a
two-terminal variable resistor. It is intended for circuit
level adjustments. It is supplied standard in the -40
°
C to
+85
°
C industrial operating temperature range and offered
in the 10-pin MSOP package.
SDA
SCL
A0
A1
VCC
CONTROL LOGIC AND
ADDRESS DECODE
128 TAP POSITION
DECODE CONTROL
7-BIT WIPER
CONTROL
REGISTER
(WCR)
7-BIT
NONVOLATILE
MEMORY
REGISTER
(DR)
V+
RH
1
E
RL
RW
127
0
BLOCK DIAGRAM
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT5132ZGI-10 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5132ZI-00-G | 功能描述:數(shù)字電位計 IC Ind Temp 100K 2-Wire 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 |
| CAT5132ZI-00-GT3 | 功能描述:數(shù)字電位計 IC DPP 15V 128 taps I2C 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 |
| CAT5132ZI-10-G | 功能描述:數(shù)字電位計 IC Ind Temp 10K 2-Wire 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 |
| CAT5132ZI-10-GT3 | 功能描述:數(shù)字電位計 IC DPP,15V,128 taps,I2C 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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