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参数资料
| 型号： | DS1846E-010+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/18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
18 of 18
NOTES:
1) All voltages are referenced to ground.
2) I/O pins of fast-mode devices must not obstruct the SDA and SCL lines if VCC is switched off.
3) ISTBY specified with VCC = 5.0V and control port logic pins are driven to the appropriate logic levels.
Appropriate logic levels specify that logic inputs are within a 0.5V of ground or VCC for the
corresponding inactive state. All inputs should be connected high.
4) A fast-mode device can be used in a standard mode system, but the requirement tSU:DAT > 250ns must
then be met. This is automatically the case if the device does not stretch the low period of the SCL
signal. If such a device does stretch the low period of the SCL signal, it must output the next data bit
to the SDA line tRMAX + tSU:DAT = 1000ns + 250ns = 1250ns before the SCL line is released.
5) After this period, the first clock pulse is generated.
6) The maximum tHD:DAT has only to be met if the device does not stretch the low period (tLOW) of the
SCL signal.
7) A device must internally provide a hold time of at least 300ns for the SDA signal (referred to the V
IN
MIN of the SCL signal) to bridge the undefined region of the falling edge of SCL.
8) C
B—total capacitance of one bus line in picofarads, timing referenced to (0.9 x VCC) and (0.1 x VCC).
9) EEPROM write begins after a stop condition occurs.
10) Resistor inputs can not go beneath GND by more than 0.5V or above VCC by more than 0.5V.
11) Absolute linearity is used to measure expected wiper voltage as determined by wiper position.
12) Relative linearity is used to determine the change of wiper voltage between two adjacent wiper
positions.
13) When used as a rheostat or variable resistor the temperature coefficient applies: 750ppm/°C. When
used as a voltage-divider or potentiometer, the effective temperature coefficient approaches
30ppm/°C.
14) Valid for VCC = 5V only.
15) Valid at +25°C only.
16) Noise immunity pulses < 2
ms at VCCTP minimum do not cause a reset.
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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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