参数资料
| 型号： | DS1841N+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/17页 |
| 文件大小： | 0K |
| 描述： | IC RES LOG NV I2C 10-TDFN |
| 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）： | 22k |
| 电路数： | 1 |
| 温度系数： | 标准值 ±250 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
DS1841
Temperature-Controlled, NV, I2C,
Logarithmic Resistor
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS1841
toc01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(μ
A)
5.0
4.5
4.0
3.5
3.0
50
100
150
200
250
0
2.5
5.5
SDA = SCL = VCC
RH, RH, RW ARE FLOATING
SDA = SCL = VCC
RGND, RH, RW ARE FLOATING
UPDATE MODE BIT = 0
LUT MODE AND LUT ADDER MODE
UPDATE MODE BIT = 1
LUT MODE AND LUT ADDER MODE
UPDATE MODE BIT = 1
SUPPLY CURRENT
vs. TEMPERATURE
DS1841
toc02
TEMPERATURE (
°C)
SUPPLY
CURRENT
(μ
A)
80
60
40
20
0
-20
50
100
150
200
250
0
-40
100
SDA = SCL = VCC
RH, RH, RW ARE FLOATING
SDA = SCL = VCC = 5V
RGND, RH, RW ARE FLOATING
UPDATE MODE BIT = 0
LUT MODE AND LUT ADDER MODE
UPDATE MODE BIT = 1
LUT MODE AND LUT ADDER MODE
UPDATE MODE BIT = 1
SUPPLY CURRENT
vs. SCL FREQUENCY
DS1841
toc03
SCL FREQUENCY (kHz)
SUPPLY
CURRENT
(μ
A)
300
200
100
50
100
150
200
250
0
400
SDA = SCL = VCC
RH, RH, RW ARE FLOATING
SDA = VCC = 5V
RGND, RH, RW ARE FLOATING
UPDATE MODE BIT = 0
LUT MODE AND LUT ADDER MODE
UPDATE MODE BIT = 1
LUT MODE AND LUT ADDER MODE
UPDATE MODE BIT = 1
WIPER RESISTANCE (RW)
vs. SETTING
DS1841
toc04
SETTING (DEC)
WIPER
RESISTANCE
(k
Ω
)
125
100
75
50
25
5
10
15
20
25
0
SDA = SCL = VCC = 5V
SDA = SCL = VCC = 5V
WIPER CURRENT
vs. WIPER SETTING
DS1841
toc05
WIPE SETTING (DEC)
WIPER
CURRENT
(mA)
100
75
50
25
0.4
0.8
1.2
1.6
0
125
RGND = 0V
RW OPEN
FORCE 1.25V ON RH AND
MEASURE CURRENT
RGND = 0V
RW OPEN
FORCE 1.25V ON RH AND
MEASURE CURRENT
VCC = 5V
SDA AND SCL REFERENCED TO 5V
VCC = 5V
SDA AND SCL REFERENCED TO 5V
RW TO RGND RESISTANCE
vs. SUPPLY VOLTAGE
DS1841
toc06
SUPPLY VOLTAGE (V)
RESISTANCE
AT
RW
(k
Ω
)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
20
30
40
0
5.5
POR OCCURS
IVR IS LOADED
CONVERSIONS COMPLETE
LUT VALUE LOADED TO WR
CONVERSIONS COMPLETE
LUT VALUE LOADED TO WR
Typical Operating Characteristics
(VCC = +2.7V to +5.5V, TA = +25°C, unless otherwise noted.)
_______________________________________________________________________________________
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1841T+ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Temperature-Controlled, NV, I2C, Logarithmic Resistor |
| DS1841T+T&R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Temperature-Controlled, NV, I2C, Logarithmic Resistor |
| DS1841T+TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Temperature-Controlled, NV, I2C, Logarithmic Resistor |
| DS1841X | 功能描述:数字电位计 IC Temp-Cntrlld NV I2C Logarithmic Resistor 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 |
| DS1842 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:76V, APD, Bias Output Stage with Current Monitoring |
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