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参数资料
| 型号： | DS1855B-050 |
| 元件分类： | 数字电位计 |
| 英文描述： | Dual Nonvolatile Digital Potentiometer and Secure Memory |
| 中文描述： | 双非易失数字电位器及安全存储器 |
| 文件页数： | 6/20页 |
| 文件大小： | 252K |
| 代理商： | DS1855B-050 |
DS1855
14 of 20
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C, VCC = 2.7V to 5.5V)
PARAMETER
SYMBOL CONDITION
MIN
TYP
MAX
UNITS NOTES
SCL Clock Frequency
fSCL
Fast Mode
Standard Mode
0
400
100
kHz
4
Bus Free Time Between
STOP and START
t
BUF
Fast Mode
Standard Mode
1.3
4.7
ms
4
Hold Time (repeated)
START Condition
t
HD:STA
Fast Mode
Standard Mode
0.6
4.0
ms
4,5
Low Period of SCL
Clock
t
LOW
Fast Mode
Standard Mode
1.3
4.7
ms
4
High Period of SCL
Clock
t
HIGH
Fast Mode
Standard Mode
0.6
4.0
ms
4
Data Hold Time
t
HD:DAT
Fast Mode
Standard Mode
0
0.9
ms
4,6
Data Set-Up Time
t
SU:DAT
Fast Mode
Standard Mode
100
250
ns
4
Start Set-Up Time
t
SU:STA
Fast Mode
Standard Mode
0.6
4.7
ms
4
Rise Time of Both SDA
and SCL Signals
t
R
Fast Mode
Standard Mode
20+0.1CB
300
1000
ns
4
Fall Time of Both SDA
and SCL Signals
t
F
Fast Mode
Standard Mode
20+0.1CB
300
ns
7
Set-Up Time for STOP
Condition
t
SU:STO
Fast Mode
Standard Mode
0.6
4.0
ms
Capacitive Load for
Each Bus Line
C
B
400
pF
7
EEPROM Write Time
TW
2.5
10
ms
8
NONVOLATILE MEMORY CHARACTERISTICS
PARAMETER
SYMBOL CONDITION
MIN
TYP
MAX
UNITS
Writes
+85°C
50,000
相关PDF资料 |
PDF描述 |
|---|---|
| DS1855B-100 | Dual Nonvolatile Digital Potentiometer and Secure Memory |
| DS1855E-010 | Dual Nonvolatile Digital Potentiometer and Secure Memory |
| DS1855E-020 | Dual Nonvolatile Digital Potentiometer and Secure Memory |
| DS1855E-050 | Dual Nonvolatile Digital Potentiometer and Secure Memory |
| DS1855E-100 | Dual Nonvolatile Digital Potentiometer and Secure Memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1855B-050+ | 功能描述:数字电位计 IC Dual NV w/Memory 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 |
| DS1855B-100 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Nonvolatile Digital Potentiometer and Secure Memory |
| DS1855B-100+ | 功能描述:数字电位计 IC Dual NV w/Memory 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 |
| DS1855E-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 |
| DS1855E-010/R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Nonvolatile Digital Potentiometer and Secure Memory |
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