參數(shù)資料
型號(hào)： MCP3424-E/ST
廠商： Microchip Technology
文件頁數(shù)： 29/58頁
文件大?。?/td> 0K
描述： IC ADC 18BIT 3.75SPS 4CH 14TSSOP
產(chǎn)品培訓(xùn)模塊： MCP3901 Analog Front End
標(biāo)準(zhǔn)包裝： 96
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
安裝類型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 管件
輸入數(shù)目和類型： 8 個(gè)單端，雙極；4 個(gè)差分，雙極
產(chǎn)品目錄頁面： 672 (CN2011-ZH PDF)
配用： MCP3424EV-ND - EVALUATION BOARD FOR MCP3424
2009 Microchip Technology Inc.
DS22088C-page 35
MCP3422/3/4
Equation 6-2 shows an example of calculating the
expected number of output code with various PGA gain
settings for Type K thermocouple output.
EQUATION 6-2:
EXPECTED NUMBER OF
OUTPUT CODE FOR TYPE
K THERMOCOUPLE
FIGURE 6-7:
Example of Pressure and Temperature Measurement.
Figure 6-7 shows an example of measuring both
pressure and temperature. The pressure is measured
by using NPP 301 (manufactured by GE NovaSensor),
and temperature is measured by a thermistor.
The pressure sensor output is 20 mV/V. This gives
100 mV of full scale output for VDD of 5V (sensor
excitation voltage). Equation 6-3 shows an example of
calculating the number of output code for the full scale
output of the NPP301.
log
2
50 mV
15.625
μV
PGA
------------------------
= 11.6 bits for PGA = 1
= 12.6 bits for PGA = 2
= 13.6 bits for PGA = 4
= 14.6 bits for PGA = 8
Expected
Number of Output Code =
Where:
1 LSB
=
15.625 V with 18 Bit configuration.
5k
Ω
VDD
4
5
6
9
CH2-
VSS
CH3+
Adr1
Adr0
3
12
CH2+
CH3-
2
13
CH1-
CH4+
1
14
CH1+
CH4-
7
8
SDA
SCL
VDD
11
10
0.1 F
10 F
TO MCU
(MASTER)
5k
Ω
VDD
Thermistor
VDD
Pressure Sensor
VDD
R1
R2
Thermistor
R2
R1
R1 and R2 = Voltage Divider
V
IN
R
2
R
1
R
2
+
-------------------
V
DD
×
=
(NPP301)
Pressure Sensor
(NPP301)
VIN
MCP3424
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參數(shù)描述
MCP3424EV 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MCP3424 ADC Eval Board RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MCP3424T-E/MC 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:18-Bit, Multi-Channel ???￡ Analog-to-Digital Converter with I2Ca?￠ Interface and On-Board Reference
MCP3424T-E/MF 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:18-Bit, Multi-Channel ???￡ Analog-to-Digital Converter with I2Ca?￠ Interface and On-Board Reference
MCP3424T-E/MS 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:18-Bit, Multi-Channel ???￡ Analog-to-Digital Converter with I2Ca?￠ Interface and On-Board Reference
MCP3424T-E/SL 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18B delta-sigma ADC dual Ch 4sps 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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