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參數(shù)資料
| 型號： | CAT5259UI-50TE13 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Quad Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface |
| 中文描述： | 四數(shù)字可編程電位計（民進(jìn)黨）與256絲錐和2線接口 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 137K |
| 代理商： | CAT5259UI-50TE13 |
2
CAT5259
Document No. 2000, Rev. F
PIN DESCRIPTION
PIN DESCRIPTIONS
SCL:
The CAT5259 serial clock input pin is used to
clock all data transfers into or out of the device.
Serial Clock
SDA:
The CAT5259 bidirectional serial data pin is
used to transfer data into and out of the device.
The SDA pin is an open drain output and can be
wire-Ored with the other open drain or open
collector I/Os.
Serial Data
A0, A1, A2, A3:Device Address Inputs
These inputs set the device address when
addressing multiple devices. A total of sixteen
devices can be addressed on a single bus. A
match in the slave address must be made with
the address input in order to initiate communica-
tion with the CAT5259.
R
H
, R
L
: Resistor End Points
The four sets of R
H
and R
L
pins are equivalent
to the terminal connections on a mechanical
potentiometer.
R
W
:
The four R
W
pins are equivalent to the wiper
terminal of a mechanical potentiometer.
Wiper
WP
:
The
WP
pin when tied low prevents non-volatile
writes to the device (change of wiper control
register is allowed) and when tied high or left
floating normal read/write operations are
allowed. See Write Protection on page 6 for
more details.
Write Protect Input
DEVICE OPERATION
The CAT5259 is four resistor arrays integrated with a 2-wire serial interface logic, four 8-bit wiper control registers and
sixteen 8-bit, non-volatile memory data registers. Each resistor array contains 255 separate resistive elements
connected in series. The physical ends of each array are equivalent to the fixed terminals of a mechanical
potentiometer (R
H
and R
L
). The tap positions between and at the ends of the series resistors are connected to the
output wiper terminals (R
W
) by a CMOS transistor switch. Only one tap point for each potentiometer is connected to
its wiper terminal at a time and is determined by the value of the wiper control register. Data can be read or written
to the wiper control registers or the non-volatile memory data registers via the 2-wire bus. Additional instructions allow
data to be transferred between the wiper control registers and each respective potentiometer's non-volatile data
registers. Also, the device can be instructed to operate in an "increment/decrement" mode.
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| CAT5259WI00 | 功能描述:數(shù)字電位計 IC Ind Temp 100K Up/Dwn 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 |
| CAT5259WI-00-26645 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5259WI-00-T1 | 功能描述:數(shù)字電位計 IC DPP NV QUAD 256 TAP SPI 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 |
| CAT5259WI50 | 功能描述:數(shù)字電位計 IC Ind Temp 50K Up/Dwn Quad 256-Tap 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 |
| CAT5259WI-50 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
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