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| 型号： | MCP3304T-BI/SL |
| 厂商： | Microchip Technology |
| 文件页数： | 6/48页 |
| 文件大小： | 0K |
| 描述： | IC ADC 13BIT 2.7V 4CH SPI 16SOIC |
| 标准包装： | 2,600 |
| 位数： | 13 |
| 采样率（每秒）： | 100k |
| 数据接口： | 串行，SPI? |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，单极；4 个差分，单极 |
| 其它名称： | MCP3304TBI/SL |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP3304T-CI/P | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
| MCP3304T-CI/SL | 功能描述:模数转换器 - ADC 13-bit Diff In 4 Chl RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MCP3304T-CI/ST | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
| MCP3304TI/P | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
| MCP3304T-I/P | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
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