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| 型号： | DS1806-010+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | IC POT DIG SEXTET 10K 20-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 18 |
| 接片： | 64 |
| 电阻（欧姆）： | 10k |
| 电路数： | 6 |
| 温度系数： | 标准值 750 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | 3 线串口 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-PDIP |
| 包装： | 管件 |
DS1806
4 of 8
102199
3-WIRE SERIAL PORT TIMING Figure 4
CASCADE OPERATION
A feature of the DS1806 is the ability to control multiple devices from a single processor. Multiple
DS1806s can be linked or daisy chained as shown in Figure 5. As a data bit is entered into the I/O shift
register of the DS1806, a bit will appear at the COUT terminal before a maximum delay of 50 nanoseconds.
The LSB of potentiometer-1 will always be the first out of the part at the beginning of a transaction.
Additionally, the COUT terminal is always active regardless of the state RST . However, DIN and CLK
inputs are ignored when RST is in the low state.
The COUT output of the DS1806 can be used to drive the DIN input of another DS1806. When cascading
multiple devices, the total number of bits transmitted is always 48 multiplied by the total number of
DS1806s being cascaded.
An optional feedback resistor can be placed between the COUT terminal of the last device and the first
DS1806 DIN input, which allows the controlling processor to read as well as write data or circularly clock
data through the daisy chain. The value of the feedback or isolation resistor should be in the range from 1
k
to 10 k.
To read data, the reading device configures itself as an input and monitors the state of the DIN line, which
is driven by COUT through the isolation resistor. When RST is driven high, bit 48 is present on the COUT
pin, which is fed back to the input DIN pin through the isolation resistor. When the CLK input transitions
low to high, bit 48 is loaded into the first position of the I/O shift register and bit 47 becomes present on
COUT and DIN of the next device. After 48 bits (or 48 times the number of the DS1806s in the daisy
chain), the data has shifted completely around and back to its original position. When RST transitions to
the low state to end data transfer, the value (the same as before the read occurred) is loaded in the shift
register.
ABSOLUTE AND RELATIVE LINEARITY
Absolute linearity is defined as the difference between the actual measured output voltage and the
expected output voltage. Absolute linearity is given in terms of a minimum increment or expected output
when the wiper is moved one position. The DS1806 is specified to have an absolute linearity of
±0.50
LSB.
Relative linearity is a measure of error between two adjacent wiper position points. The DS1806 is
specified to have a relative linearity of
±0.25 LSB.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1806-010+ | 功能描述:数字电位计 IC Digital Sextet RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| DS1806-050 | 功能描述:数字电位计 IC RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| DS1806-050+ | 功能描述:数字电位计 IC Digital Sextet RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| DS1806-10 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:IC-DIGITAL POT |
| DS1806-100 | 功能描述:数字电位计 IC RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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