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參數(shù)資料
| 型號： | DS1267E-050 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Dual Digital Potentiometer Chip |
| 中文描述： | 雙數(shù)字電位器芯片 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 312K |
| 代理商： | DS1267E-050 |
DS1267
4 of 12
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STACKED CONFIGURATION
The potentiometers of the DS1267 can be connected in series as shown in Figure 3. This is referred to as
the stacked configuration. The stacked configuration allows the user to double the total end-to-end
resistance of the part and the number of steps to 512 (or 9 bits of resolution).
The wiper output for the combined stacked potentiometer will be taken at the S
OUT
pin, which is the
multiplexed output of the wiper of potentiometer-0 (W0) or potentiometer-1 (W1). The potentiometer
wiper selected at the S
OUT
output is governed by the setting of the stack select bit (bit 0) of the 17-bit I/O
shift register. If the stack select bit has value 0, the multiplexed output, S
OUT
, will be that of the
potentiometer-0 wiper. If the stack select bit has value 1, the multiplexed output, S
OUT
, will be that of the
potentiometer-1 wiper.
STACKED CONFIGURATION
Figure 3
CASCADE OPERATION
A feature of the DS1267 is the ability to control multiple devices from a single processor. Multiple
DS1267s can be linked or daisy-chained as shown in Figure 4. As a data bit is entered into the I/O shift
register of the DS1267 a bit will appear at the C
OUT
output within a maximum delay of 50 nanoseconds.
The stack select bit of the DS1267 will always be the first out the part at the beginning of a transaction.
Additionally the C
OUT
pin is always active regardless of the state of
RST
. This allows one to read the I/O
shift register without changing its value.
CASCADING MULTIPLE DEVICES
Figure 4
相關PDF資料 |
PDF描述 |
|---|---|
| DS1267E-100 | Dual Digital Potentiometer Chip |
| DS1267 | Dual Digital Potentiometer Chip |
| DS126C2 | Fixed Inductors for Surface Mounting |
| DS1270AB | 16M Nonvolatile SRAM |
| DS1270AB-100 | 16M Nonvolatile SRAM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1267E-050/TR | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Digital Potentiometer Chip |
| DS1267E-10 | 功能描述:數(shù)字電位計 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1267E-10/T&R | 制造商:Maxim Integrated Products 功能描述:IC DGTL POT 10K 2CH 20TSSOP |
| DS1267E-10/T&R | 功能描述:數(shù)字電位計 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1267E-10+ | 功能描述:數(shù)字電位計 IC Dual +/-5V 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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