參數(shù)資料
型號(hào)： MCP3208-CIP
廠商： Microchip Technology Inc.
元件分類： 串行ADC
英文描述： 2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI Serial Interface
中文描述： 2.7 4-Channel/8-Channel 12位A / D轉(zhuǎn)換器具有SPI串行接口
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 425K
代理商： MCP3208-CIP
1999 Microchip Technology Inc.
Preliminary
DS21298B-page 15
MCP3204/3208
FIGURE 5-1:
Communication with the MCP3204 or MCP3208.
FIGURE 5-2:
Communication with MCP3204 or MCP3208 in LSB First Format.
CS
CLK
D
IN
D
OUT
D1
D2
D0
HI-Z
Don’t Care
Null
Bit
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0 *
HI-Z
t
SAMPLE
t
CONV
SGL/
DIFF
Start
t
CYC
t
CSH
t
CYC
D2
SGL/
DIFF
Start
* After completing the data transfer, if further clocks are applied with CS low, the A/D Converter will output LSB
first data, then followed with zeros indefinitely. See Figure 5-2 below.
** t
DATA
: during this time, the bias current and the comparator power down while the reference input becomes
a high impedance node, leaving the CLK running to clock out the LSB-first data or zeros.
t
DATA
**
t
SUCS
Null
Bit
B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11
CS
CLK
D
OUT
HI-Z
HI-Z
(MSB)
t
CONV
t
DATA
**
Power Down
t
SAMPLE
Start
SGL/
DIFF
D
IN
t
CYC
t
CSH
D0
D1
D2
* After completing the data transfer, if further clocks are applied with CS low, the A/D Converter will output zeros
indefinitely.
** t
: During this time, the bias circuit and the comparator power down while the reference input becomes a
high impedance node, leaving the CLK running to clock out LSB first data or zeroes.
t
SUCS
Don’t Care
*
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MCP3208T-BI/P 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 SPI⑩ Serial Interface
MCP3208T-BI/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
MCP3208T-BI/ST 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 SPI⑩ Serial Interface
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