參數(shù)資料
型號(hào)： MAX1669EEE
廠商： Maxim Integrated Products, Inc.
元件分類： 溫度/濕度傳感器
英文描述： Fan Controller and Remote Temperature Sensor with SMBus Serial Interface
中文描述： 風(fēng)扇控制器和遠(yuǎn)程溫度傳感器，帶有SMBus串行接口
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 213K
代理商： MAX1669EEE
M
Fan Controller and Remote Temperature Sensor
with SMBus Serial Interface
_______________________________________________________________________________________
7
_______________Detailed Description
The MAX1669 temperature sensor is designed to work
with an external microcontroller (μC) or other intelligent
devices in computer fan-control applications. The μC is
typically a power-management or keyboard controller,
generating SMBus serial commands by “bit-banging’’
general-purpose input/output (GPIO) pins or through a
dedicated SMBus interface block.
Essentially an 8-bit serial analog-to-digital converter
(ADC) with a sophisticated front end, the temperature
measurement channel contains a switched-current
source, a multiplexer, and an integrating ADC.
Temperature data from the ADC is loaded into a data
register, where it is automatically compared with data
previously stored in over/undertemperature alarm regis-
ters and the critical register (Figure 1).
MUX
REMOTE-TEMPERATURE
DATA REGISTER
HIGH-TEMPERATURE
THRESHOLD
LOW-TEMPERATURE
THRESHOLD
DIGITAL COMPARATOR
TEMPERATURE
TEMPERATURE SENSOR
T
CRIT
COMMAND-BYTE
(INDEX) REGISTER
SMBDATA
SMBCLK
ADDRESS
DECODER
READ
WRITE
CONTROL
LOGIC
CONTROL
LOGIC
SMB
ADD2
ADD1
ADD0
STATUS BYTE REGISTER
CONFIGURATION
BYTE REGISTER
ALERT RESPONSE
ADDRESS REGISTER
ADC
DXP
DXN
GND
V
CC
8
8
8
8
8
ALERT
MAX1669
S
Q
R
CONTROL
LOGIC
OVERT
Q
R
S
GENERAL-PURPOSE
I/O CONTROLLER
-5
°
C
I/O1
I/O2
Figure 1. MAX1669 Temperature Sensor Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1669EEE+ 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 16QSOP - Rail/Tube
MAX1669EEE+T 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 16QSOP - Tape and Reel
MAX1669EEE-T 制造商:Maxim Integrated Products 功能描述:FAN CONTROLLER AND REMOTE TEMPERATURE SENSOR - Tape and Reel
MAX166ACPP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX166ACPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 200ksps 2.46V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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