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參數(shù)資料
| 型號(hào)： | MCP3304 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
| 中文描述： | 13位差分輸入，低功耗的A / D轉(zhuǎn)換器具有SPI串行接口 |
| 文件頁數(shù)： | 24/40頁 |
| 文件大小： | 666K |
| 代理商： | MCP3304 |
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MCP3302/04
DS21697B-page 24
2002 Microchip Technology Inc.
FIGURE 7-2:
Communication with MCP3302/04 (MSB first Format).
FIGURE 7-3:
Communication with MCP3302/04 (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
ACQ
T
CONV
SGL/
DIFF
Start
T
SAMPLE
T
CSH
T
SAMPLE
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, followed by zeros indefinitely. See Figure 7-3 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.
When operating in single ended mode, the sign bit will always be transmitted as a ‘
0
’.
T
DATA
**
T
SUCS
SB
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
ACQ
Start
SGL/
DIFF
D
IN
T
SAMPLE
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
DATA
: 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.
When operating in single ended mode, the sign bit will always be transmitted as a ‘
0
’.
T
SUCS
Don’t Care
SB
SB*
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP3304-BI/P | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 13-bit Diff In 4 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 |
| MCP3304-BI/SL | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 13-bit Diff In 4 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 |
| MCP3304-BI/ST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
| MCP3304-CI/P | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 13-bit Diff In 4 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 |
| MCP3304-CI/SL | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 13-bit Diff In 4 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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