參數(shù)資料
型號： MCP3208-BI/P
廠商： Microchip Technology
文件頁數(shù)： 17/40頁
文件大?。?/td> 0K
描述： IC ADC 12BIT 2.7V 8CH SPI 16-DIP
標(biāo)準(zhǔn)包裝： 30
位數(shù)： 12
采樣率（每秒）： 100k
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 通孔
封裝/外殼： 16-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 16-PDIP
包裝： 管件
輸入數(shù)目和類型： 8 個單端，單極；4 個偽差分，單極
產(chǎn)品目錄頁面： 672 (CN2011-ZH PDF)
MCP3204/3208
DS21298E-page 24
2008 Microchip Technology Inc.
6.5
Utilizing the Digital and Analog
Ground Pins
The MCP3204/3208 devices provide both digital and
analog ground connections to provide another means
of noise reduction. As shown in Figure 6-5, the analog
and digital circuitry is separated internal to the device.
This reduces noise from the digital portion of the device
being coupled into the analog portion of the device. The
two grounds are connected internally through the
substrate, which has a resistance of 5 -10.
If no ground plane is utilized, then both grounds must
be connected to VSS on the board. If a ground plane is
available, both digital and analog ground pins should
be connected to the analog ground plane. If both an
analog and a digital ground plane are available, both
the digital and the analog ground pins should be
connected to the analog ground plane. Following these
steps will reduce the amount of digital noise from the
rest of the board being coupled into the A/D converter.
FIGURE 6-5:
Separation of Analog and
Digital Ground Pins.
MCP3204/08
Analog Ground Plane
DGND
AGND
V
DD
0.1 F
Substrate
5 - 10
Digital Side
-SPI Interface
-Shift Register
-Control Logic
Analog Side
-Sample Cap
-Capacitor Array
-Comparator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP3208-BISL 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI Serial Interface
MCP3208-CI/P 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit SPI 8 Chl 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
MCP3208-CI/P 制造商:Microchip Technology Inc 功能描述:IC 12BIT ADC 3208 DIP16
MCP3208-CI/P 制造商:Microchip Technology Inc 功能描述:A-D Converter IC Number of Bits:12
MCP3208-CI/SL 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-bit SPI 8 Chl 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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