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參數(shù)資料
| 型號： | MCP3302T-BI/ST |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 6/48頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 13BIT 2.7V 2CH SPI14TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 13 |
| 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： | 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： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個(gè)單端，單極；2 個(gè)差分，單極 |
| 其它名稱： | MCP3302TBI/ST |
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MCP3302/04
DS21697F-page 14
2011 Microchip Technology Inc.
3.7
Analog Ground (AGND)
Ground connection to internal analog circuitry. To
ensure accuracy, this pin must be connected to the
same ground as DGND. If an analog ground plane is
available, it is recommended that this device be tied to
the analog ground plane in the circuit. See
“Layout Considerations” for more information
regarding circuit layout.
3.8
Voltage Reference (VREF)
This input pin provides the reference voltage for the
device, which determines the maximum range of the
analog input signal and the LSB size.
The LSB size is determined according to the equation
shown below. As the reference input is reduced, the
LSB size is reduced accordingly.
EQUATION 3-1:
When using an external voltage reference device, the
system designer
should
always
refer
to
the
manufacturer’s recommendations for circuit layout.
Any instability in the operation of the reference device
will have a direct effect on the accuracy of the ADC
conversion results.
3.9
Power Supply (VDD)
The device can operate from 2.7V to 5.5V, but the data
conversion performance is from 4.5V to 5.5V supply
range. To ensure accuracy, a 0.1 F ceramic bypass
capacitor should be placed as close as possible to the
pin. See
more information regarding circuit layout.
LSB Size =
2 x VREF
8192
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP3302T-CI/P | 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 |
| MCP3302T-CI/SL | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 13-bit Diff In 2 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 |
| MCP3302T-CI/ST | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 13-bit Diff In 2 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 |
| MCP3302TI/P | 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 |
| MCP3302T-I/P | 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 |
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