參數(shù)資料
型號(hào)： MCP3423EV
廠商： Microchip Technology
文件頁數(shù)： 30/58頁
文件大?。?/td> 0K
描述： BOARD EVAL 18BIT 2CH ADC MCP3423
產(chǎn)品培訓(xùn)模塊： MCP3901 Analog Front End
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 18
采樣率（每秒）： 3.75
數(shù)據(jù)接口： 串行
輸入范圍： ±VREF
工作溫度： -40°C ~ 125°C
已用 IC / 零件： MCP3423
已供物品： 板
產(chǎn)品目錄頁面： 672 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： MCP3423T-E/UNTR-ND - IC ADC 18BIT 3.75SPS 2CH 10-MSOP
MCP3423T-E/MFTR-ND - IC ADC 18BIT 3.75SPS 2CH 10-DFN
MCP3423-E/UN-ND - IC ADC 18BIT 3.75SPS 2CH 10-MSOP
MCP3423-E/MF-ND - IC ADC 18BIT 3.75SPS 2CH 10-DFN
MCP3422/3/4
DS22088C-page 36
2009 Microchip Technology Inc.
EQUATION 6-3:
EXPECTED NUMBER OF
OUTPUT CODE FOR
NPP301 PRESSURE
SENSOR
The thermistor temperature sensor can measure the
temperature range from -100°C to 300°C. The
resistance of the thermistor sensor decreases as
temperature
increases
(negative
temperature
coefficient). As shown in Figure 6-7, the thermistor (R2)
forms a voltage divider with R1.
The thermistor sensor is simple to use and widely used
for the temperature measurement applications. It has
both linear and non-linear responses over temperature
range. R1 is used to adjust the linear region of interest
for measurement.
Expected
log
2
100 mV
15.625
μV
PGA
------------------------
= 12.64 bits for PGA = 1
= 13.64 bits for PGA = 2
= 14.64 bits for PGA = 4
= 15.64 bits for PGA = 8
Number of Output Code =
Where:
1 LSB
=
15.625 V with 18 Bit configuration.
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