Microchip Technology MCP331類比轉數位轉換器
Microchip Technology MCP331類比轉數位轉換器 (ADC) 具備全差分輸入、高效能和低耗電量,且封裝尺寸小巧,適合用於電池供電系統和遠端資料擷取應用。MCP331 ADC採用連續漸進暫存器 (SAR) 架構和符合業界標準的SPI序列介面,免外接電壓電平轉換器,即可連接多數業界標準主機微控制器。這些類比轉數位轉換器具備每秒1M次取樣速率、1個輸入通道、低耗電量(典型待機耗電量0.8µA,典型有功耗電量1.6mA),並提供小巧的10腳位MSOP封裝。
特點
- 解析度
- MCP33111:12位元
- MCP33121:14位元
- MCP33131:16位元
- 零延遲輸出
- 寬廣的運作電壓範圍:
- 類比供應電壓 (AVDD):1.8V
- 數位輸入/輸出介面電壓 (DVIO):1.7V至5.5V
- 外部參考 (VREF):2.5V至5.1V
- 差分輸入作業:
- 超低電流:
- 待機模式(典型值):~0.8µA
- 轉換模式(典型值):~1.6mA
- 1Msps取樣率
- SPI相容序列通訊:
-
- ADC自我校正,消除偏移、增益和線性錯誤:
- 於開機時(自動)
- 正常運作時透過使用者命令隨需啟動
- 溫度範圍:-40°C至+85°C
- 封裝:MSOP-10
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發佈日期: 2018-04-16
| 更新日期: 2026-07-23