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| 型号： | DS1857E-050+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/22页 |
| 文件大小： | 0K |
| 描述： | IC RES TEMP 50/50K 2MON 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 2 |
| 温度系数： | 标准值 50 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 95°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
DS1857
Dual Temperature-Controlled Resistors with
External Temperature Input and Monitors
4
_____________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fast mode (Note 10)
0
400
SCL Clock Frequency
fSCL
Standard mode (Note 10)
0
100
kHz
Fast mode (Note 10)
1.3
Bus Free Time Between STOP and
START Condition
tBUF
Standard mode (Note 10)
4.7
s
Fast mode (Notes 10, 11)
0.6
Hold Time (Repeated)
START Condition
tHD:STA
Standard mode (Notes 10, 11)
4.0
s
Fast mode (Note 10)
1.3
Low Period of SCL Clock
tLOW
Standard mode (Note 10)
4.7
s
Fast mode (Note 10)
0.6
High Period of SCL Clock
tHIGH
Standard mode (Note 10)
4.0
s
Fast mode (Notes 10, 12, 13)
0
0.9
Data Hold Time
tHD:DAT
Standard mode (Notes 10, 12, 13)
0
s
Fast mode (Note 10)
100
Data Setup Time
tSU:DAT
Standard mode (Note 10)
250
ns
Fast mode (Note 10)
0.6
Start Setup Time
tSU:STA
Standard mode (Note 10)
4.7
s
Fast mode (Note 13)
20 + 0.1CB
300
Rise Time of Both SDA and SCL
Signals
tF
Standard mode (Note 13)
20 + 0.1CB
1000
ns
Fast mode (Note 13)
20 + 0.1CB
300
Fall Time of Both SDA and SCL
Signals
tR
Standard mode (Note 13)
20 + 0.1CB
300
ns
Fast mode
0.6
Setup Time for STOP Condition
tSU:STO
Standard mode
4.0
s
Capacitive Load for Each Bus Line
CB
(Note 13)
400
pF
EEPROM Write Time
tW
(Note 14)
10
ms
AC ELECTRICAL CHARACTERISTICS
(VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.)
Note 1: All voltages are referenced to ground.
Note 2: I/O pins of fast-mode devices must not obstruct the SDA and SCL lines if VCC is switched off. The address inputs should be
connected to either VCC or GND depending on the desired address setting.
Note 3: SDA and SCL are connected to VCC and all other input signals are connected to well-defined logic levels.
Note 4: The maximum voltage the MON inputs will read is approximately 2.5V, even if the voltage on the inputs is greater than 2.5V.
Note 5: This voltage is defining the maximum range of the analog-to-digital converter and not the maximum VCC voltage.
Note 6: Absolute linearity is the difference of measured value from expected value at DAC position. The expected value is a
straight line from measured minimum position to measured maximum position.
Note 7: Relative linearity is the deviation of an LSB DAC setting change vs. the expected LSB change. The expected LSB change
is the slope of the straight line from measured minimum position to measured maximum position.
Note 8: See the Typical Operating Characteristics.
Note 9: The conversion accuracy does not include any error from the LM50.
Note 10: 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1857E-050/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual Temperature-Controlled Resistors with External Temperature Input and Monitors |
| DS1857E-050/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual Temperature-Controlled Resistors with External Temperature Input and Monitors |
| DS1857E-050+ | 功能描述:数字电位计 IC Dual Temp-Controlled Resistors 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 |
| DS1858 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual Temperature-Controlled Resistors with Three Monitors |
| DS1858B-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 |
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