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参数资料
| 型号： | DS3904U-020+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | IC POT NV TRIPLE 128POS 8-USOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 3,000 |
| 接片： | 128 |
| 电阻（欧姆）： | 20k |
| 电路数： | 3 |
| 温度系数： | 标准值 123 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
DS3904/DS3905
Triple 128-Position Nonvolatile Digital
Variable Resistor/Switch
4
______________________________________________________________________
Note 1:
All voltages are referenced to ground.
Note 2:
Applies to A0, SDA, SCL for the DS3904 and A0, A1, A2, SDA, SCL for the DS3905. Also applies to H0, H1,
H2 for both DS3904 and DS3905 when in the high-impedance state.
Note 3:
ISTBY specified with SDA = SCL = VCC and A0 = GND.
Note 4:
Absolute linearity is used to determine expected resistance. Absolute linearity is defined as the deviation
from the straight line drawn from the value of the resistance at position 00h to the value of the resistance at
position 7Fh.
Note 5:
Relative linearity is used to determine the change of resistance between two adjacent resistor positions.
Note 6:
Temperature coefficient specifies the change in resistance as a function of temperature. The temperature
coefficient varies with resistor position. Limits are guaranteed by design.
Note 7:
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.
Note 8:
After this period, the first clock pulse is generated.
Note 9:
The maximum tHD:DAT has only to be met if the device does not stretch the LOW period (tLOW) of the SCL
signal.
Note 10:
CB—total capacitance of one bus line in picofarads, timing referenced to 0.9 x VCC and 0.1 x VCC.
Note 11:
EEPROM write begins after a stop condition occurs.
NONVOLATILE MEMORY CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = +70°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Writes
50,000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3905 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Triple 128-Position Nonvolatile Digital Variable Resistor/Switch |
| DS3905U-020 | 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 |
| DS3905U-020/T&R | 制造商:Maxim Integrated Products 功能描述:TRIPLE NV DIG RES T&R - Tape and Reel |
| DS3905U-020/T&R | 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 |
| DS3905U-020+ | 功能描述:数字电位计 IC Triple 128-Position Nonvolatile 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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