參數(shù)資料
型號(hào): MCP3423T-E/MF
廠商: Microchip Technology
文件頁(yè)數(shù): 30/58頁(yè)
文件大小: 0K
描述: IC ADC 18BIT 3.75SPS 2CH 10-DFN
產(chǎn)品培訓(xùn)模塊: MCP3901 Analog Front End
標(biāo)準(zhǔn)包裝: 3,300
位數(shù): 18
采樣率(每秒): 3.75
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 10-VFDFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 10-DFN-EP(3x3)
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 4 個(gè)單端,雙極;2 個(gè)差分,雙極
配用: MCP3423EV-ND - BOARD EVAL 18BIT 2CH ADC MCP3423
其它名稱: MCP3423T-E/MFTR
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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