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      2. 溫度|溫濕度傳感器 - 上海申矽凌微電子科技有限公司

        CT7431/A



        Description:±1.0oC 2-CH (1-CH Remote + 1-CH Local) Digital Temperature Sensor with Automatic Beta Compensation

        Key Features

        ◆  VCC: 2.7V to 5.5V 
        ◆  Temperature Accuracy: 
            ±1.0oC (Max.) over 0oC to 100oC
            ±1.8oC (Max.) over -40oC to 125oC (Local)
            ±2.5oC (Max.) over -40oC to 125oC (Remote)

        ◆  Average Current Consumption 13uA (Typ.) @ 3.3V                                                         
            (0.0625 time measurement per second):
        ◆  Standby Current: 3.0uA (Typ.)
        ◆  Temperature Conversion time :
            15ms local channel   
            41ms for remote channel (BCD, SRC disable)    
        ◆  12-bit ADC with 0.0625oC Resolution
        ◆  Compatible with I2C, SMBus, 2-wire interface 

        ◆   Automatic Beta Compensation, Serial Resistance Cancellation, n-Factor Correction and thermal diode fault detection for remote channel                                                                                                                         
        ◆  Support up to 48 slave addresses
        ◆  Support SMBus ALERT Response Address (ARA) 

        ◆  Individual Programmable high/low ALERT and THERM Limit
        for each channel           



        Applications

        ◆  CPU, GPU, FPGA
        ◆  Server
        ◆  Telecom Equipment


        Package
        ◆  MSOP-8
        ◆  DFN-3x3-8


        Temperature Range
        ◆  Local, -40 to 125oC
        ◆  Remote, -50 to 150oC

         
        Typical Application
         
        Ordering Information
         

        Order PN Slave Address(W/R)NOTE Accuracy Green Package Marking ID2 Packing MPQ Operation Temperature
        CT7431MMR 0x98/0x99 ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-A 0x90/0x91 ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-B 0x92/0x93 ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-C 0x94/0x95 ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-D 0x96/0x97 ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-E 0x9A/0x9B ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-F 0x9C/0x9D ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431MMR-G 0x9E/0x9F ±1oC Halogen free MSOP-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR XXX1_100(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-A XXX1_000(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-B XXX1_001(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-C XXX1_010(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-D XXX1_011(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-E XXX1_101(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-F XXX1_110(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431AMMR-G XXX1_111(w/r) ±1oC Halogen free MSOP-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR 0x98/0x99 ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-A 0x90/0x91 ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-B 0x92/0x93 ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-C 0x94/0x95 ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-D 0x96/0x97 ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-E 0x9A/0x9B ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-F 0x9C/0x9D ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431DNR-G 0x9E/0x9F ±1oC Halogen free DFN3x3-8 7431
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR XXX1_100(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-A XXX1_000(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-B XXX1_001(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-C XXX1_010(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-D XXX1_011(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-E XXX1_101(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-F XXX1_110(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
        CT7431ADNR-G XXX1_111(w/r) ±1oC Halogen free DFN3x3-8 7431A
        YWWAXX
        Tape & Reel 3,000 -40oC~+125oC
         
        For CT7431A, the SMBus or I2C slave address high 3bit is XXX, which is determined by the external pull-up resistance of THERM pin. For examples, THERM pin pull-up resistor is 4.7k, Part No. is CT7431A, the slave address is 0xF8/0xF9 in Hex with write / read operation.
         


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