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參數(shù)資料
| 型號： | DS1841X |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RES LOG NV I2C DGTL 10TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 接片： | 128 |
| 電阻（歐姆）： | 22k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝： | 模具 |
| 包裝： | 管件 |
DS1841
Temperature-Controlled, NV, I2C,
Logarithmic Resistor
12
______________________________________________________________________________________
Register 0Ah: Control Register 2 (CR2)
FACTORY DEFAULT
00h
MEMORY TYPE
Volatile
0Ah
Reserved
Wiper
Access
Control
LUTAR Mode
Reserved
Bit 7
Bit 0
Bits 7 to 3
Reserved.
Bit 2
Wiper Access Control This bit is valid only in LUT Mode and in LUT Adder Mode.
0 = (Default) WR is loaded with the value from IVR summed with LUTVAL, or just the value of LUTVAL
based on the state of the Adder Mode bit.
1 = The DS1841 is placed in a manual mode, allowing WR (address 09h) to be programmed using I2C
commands.
Bit 1
LUTAR Mode This bit is valid only in LUT Mode and in LUT Adder Mode.
0 = (Default) The LUTAR value, located in at address 08h, is calculated following each temperature
conversion that points to the corresponding location in the LUT.
1 = Automatic updates of LUTAR are disabled, allowing the LUTAR register to be programmed using I2C
commands.
Bit 0
Reserved. This bit must be set to a 0.
Control Register 2 controls how the wiper position is determined.
Register 0Ch: Temperature Result (TEMP)
FACTORY DEFAULT
None
MEMORY TYPE
Volatile
0Ch
Sign
26
25
24
23
22
21
20
Bit 7
Bit 0
This register holds the current temperature result. It is updated every conversion time, tFRAME. To calculate the
temperature, treat the two’s complement binary value as an unsigned binary number, then convert it to decimal. If the
result is greater than or equal to 128, subtract 256 from the result. This register is only updated when the Update Mode
bit = 1. When the Update Mode bit = 0, no ADC updates are made to this register.
Register 0Eh: Supply Voltage Result (VOLTAGE)
FACTORY DEFAULT
None
MEMORY TYPE
Volatile
0Eh
Supply Voltage
Bit 7
Bit 0
This register holds the current supply voltage result. It is updated every conversion time, tFRAME. See the Supply Voltage
Monitoring section. This register is only updated when the Update Mode bit = 1. When the Update Mode bit = 0, no ADC
updates are made to this register.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(diào)節(jié)器 76V APD Bias Output Stage w/Current Mtr RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)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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