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参数资料
| 型号： | DS3902U-515+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC RESIST VAR DUAL 8-USOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 接片： | 256 |
| 电阻（欧姆）： | 15k，50k |
| 电路数： | 2 |
| 温度系数： | 标准值 ±300 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 95°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： | 管件 |
DS3902
Dual, NV, Variable Resistors
with User EEPROM
_____________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS (Figure 1)
(VCC = +2.4V to +5.5V, TA = -40°C to +95°C, unless otherwise noted. Timing referenced to VIL(MAX) and VIH(MIN).)
Note 1: All voltages referenced to ground.
Note 2: ISTBY specified for the inactive state measured with SDA = SCL = VCC, ADD_SEL = GND, and with H0 and H1 floating.
Note 3: Absolute linearity is the difference of measured value from expected value at resistor position. Expected value is from the
measured minimum position to measured maximum position.
Note 4: Relative linearity is the deviation of an LSB resistor setting change vs. the expected LSB change. Expected LSB slope of the
straight line is the typical operating curves from the measured minimum position to measured maximum position.
Note 5: See the Typical Operating Characteristics section.
Note 6: Guaranteed by design.
Note 7: Timing shown is for fast-mode (400kHz) operation. This device is also backward-compatible with I2C standard mode.
Note 8: CB—total capacitance of one bus line in picofarads.
Note 9: EEPROM write begins after a STOP condition occurs.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 7)
0
400
kHz
Bus Free Time Between STOP
and START Conditions
tBUF
1.3
s
Hold Time (Repeated)
START Condition
tHD:STA
0.6
s
Low Period of SCL
tLOW
1.3
s
High Period of SCL
tHIGH
0.6
s
Data Hold Time
tHD:DAT
0
0.9
s
Data Setup Time
tSU:DAT
100
ns
Start Setup Time
tSU:STA
0.6
s
SDA and SCL Rise Time
tR
(Note 8)
20 +
0.1 x CB
300
ns
SDA and SCL Fall Time
tF
(Note 8)
20 +
0.1 x CB
300
ns
Stop Setup Time
tSU:STO
0.6
s
SDA and SCL Capacitive Loading
CB
(Note 8)
400
pF
EEPROM Write Time
tWR
(Note 9)
10
ms
Input Capacitance
CI
5pF
Startup Time
tST
(Note 6)
2
ms
NONVOLATILE MEMORY CHARACTERISTICS
(VCC = +2.4V to +5.5V, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Writes
+70°C (Note 6)
50,000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3902U-515+ | 功能描述:数字电位计 IC Dual NV Variable w/EEPROM 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 |
| DS3902U-515+T&R | 制造商:Maxim Integrated Products 功能描述:VARIABLE RESS W/ USER EEPROM 8USOP - Tape and Reel |
| DS3902U-530 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, NV, Variable Resistors with User EEPROM |
| DS3902U-530/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS3902U-530+ | 功能描述:数字电位计 IC Dual NV Variable w/EEPROM 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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