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参数资料
| 型号： | DS1846E-010+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/18页 |
| 文件大小： | 0K |
| 描述： | IC NV TRI-POT MEM MON 20TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接片： | 100，256 |
| 电阻（欧姆）： | 10k，100k |
| 电路数： | 3 |
| 温度系数： | 标准值 750 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 3 线串行（设备位址） |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
DS1846
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WRITE PROTECT
The WP pin protects EEPROM data and potentiometer position from alteration in an application. This pin
must be open or connected high to protect data from alteration. WP has an internal pullup (RWP).
READING AND WRITING THE POTENTIOMETER VALUES
Reading from and writing to the potentiometers consists of a standard read or write to EEPROM memory
at the addresses F8h, F9h, and FAh. The 8-bit value at address F8h controls the wiper setting for
potentiometer 1, which has 256 positions. The 8-bit value at addresses F9h and FAh control the wiper
setting of potentiometer 0 and 2, respectively; each has 100 positions. Potentiometer 1 may be set to any
value between 00h and FFh. A value of 00h sets the wiper of potentiometer 1 to its lowest value and FFh
sets the wiper to its highest. Potentiometer 0 or 2 may be set to any value between 00h and 63h. A value
of 00h sets the wiper of potentiometer 0 or 2 to its lowest position and 63h sets the wiper to its highest
position. Any hexadecimal value is a valid address. Writing a value greater than 63h will set the
potentiometer according to the seven LSBs and the MSB is ignored.
2- WIRE DATA TRANSFER PROTOCOL Figure 2
2-WIRE AC CHARACTERISTICS Figure 3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1847 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Temperature-Controlled NV Variable Resistor |
| DS1847-010 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Temperature-Controlled NV Variable Resistor |
| DS1847-050 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Temperature-Controlled NV Variable Resistor |
| DS1847B-010 | 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 |
| DS1847B-010/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL NV TEMP CNTRL VAR RES 10/10K T - Tape and Reel |
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