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参数资料
| 型号： | DS3903E-020/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC POT NV TRIPLE 128POS 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接片： | 128 |
| 电阻（欧姆）： | 10k，10k，90k |
| 电路数： | 3 |
| 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： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
DS3903
Triple 128-Position Nonvolatile
Digital Potentiometer
_____________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(VCC = 2.7V to 5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fast mode (Note 4)
0
400
SCL Clock Frequency
fSCL
Standard mode (Note 4)
0
100
kHz
Fast mode (Note 4)
1.3
Bus Free Time Between Stop and
Start Conditions
tBUF
Standard mode (Note 4)
4.7
s
Fast mode (Notes 4, 5)
0.6
Hold Time (Repeated) Start
Condition
tHD:STA
Standard mode (Notes 4, 5)
4.0
s
Fast mode (Note 4)
1.3
Low Period of SCL Clock
tLOW
Standard mode (Note 4)
4.7
s
Fast mode (Note 4)
0.6
High Period of SCL Clock
tHIGH
Standard mode (Note 4)
4.0
s
Fast mode (Notes 4, 6, 7)
0
0.9
Data Hold Time
tHD:DAT
Standard mode (Notes 4, 6, 7)
0
0.9
s
Fast mode (Note 4)
100
Data Set-Up Time
tSU:DAT
Standard mode (Note 4)
250
ns
Fast mode
0.6
Start Set-Up Time
tSU:STA
Standard mode
4.7
s
Fast mode (Note 8)
20 + 0.1CB
300
Rise Time of Both SDA and SCL
Signals
tR
Standard mode (Note 8)
20 + 0.1CB
1000
ns
Fast mode (Note 8)
20 + 0.1CB
300
Fall Time of Both SDA and SCL
Signals
tF
Standard mode (Note 8)
20 + 0.1CB
300
ns
Fast mode
0.6
Set-Up Time for Stop Condition
tSU:STO
Standard mode
4.7
s
Capacitive Load for Each Bus
CB
(Note 8)
400
pF
EEPROM Write Time
tW
(Note 9)
10
ms
Startup Time
tST
2ms
ANALOG RESISTOR CHARACTERISTICS
(VCC = 2.7V to 5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
End-to-End Resistance Tolerance
+25°C
-20
+20
%
10k
Pot
10.5
End-to-End Resistance
90k
Pot
90
k
Factory-Default Wiper Setting
Position 127 (max resistance)
Wiper Resistance
RW
250
500
Absolute Linearity
(Note 10)
-1.0
+1.0
LSB
Relative Linearity
(Note 11)
-0.25
+0.25
LSB
End-to-End
Temperature Coefficient
-300
0
+300
ppm/°C
Ratiometric
Temperature Coefficient
±30
ppm/°C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3904 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Triple 128-Position Nonvolatile Digital Variable Resistor/Switch |
| DS3904U-010 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Triple 128-Position Nonvolatile Digital |
| DS3904U-010+ | 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 |
| DS3904U-010+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 128POS 10KOHM/20KOHM TRIPLE 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT NV TRIPLE 128POS 8-USOP |
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