參數資料
| 型號： | DS1841X |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 13/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RES LOG NV I2C DGTL 10TDFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 接片： | 128 |
| 電阻（歐姆）： | 22k |
| 電路數： | 1 |
| 溫度系數： | 標準值 ±250 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 100°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 模具 |
| 供應商設備封裝： | 模具 |
| 包裝： | 管件 |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1842 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:76V, APD, Bias Output Stage with Current Monitoring |
| DS1842A | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:76V, APD, Bias Output Stage with Current Monitoring |
| DS1842AN+ | 功能描述:電流和電力監(jiān)控器、調節(jié)器 76V APD Bias Output Stage w/Current Mtr RoHS:否 制造商:STMicroelectronics 產品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| DS1842AN+T&R | 制造商:Maxim Integrated Products 功能描述:76V, APD, BIAS OUTPUT STAGE WITH CURRENT MONITORING - Tape and Reel |
| DS1842AN+TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:76V, APD, Bias Output Stage with Current Monitoring |
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