Microchip微芯 MCP47FEB22 产品介绍
2026-04-14
0次
说明
MCP47FEB22是一个双通道、12位、电压输出的数模转换器,带有EEPROM和I2.C兼容串行接口。该器件提供四种不同的电压参考选项:器件VDD、外部VREF(缓冲或非缓冲)和内部带隙。它具有高交流性能、低功耗和快速稳定时间。该设备集成了EEPROM,可在断电时保存DAC设置。它适用于消费者和工业应用,如设定点控制、偏移调整和传感器校准应用以及便携式仪器。
对于不同的分辨率和输出通道数量,请查看我们在MCP47FEBxx系列中的其他部件
特性
- Device VDD
- External VREF (buffered or unbuffered)
- Internal Bandgap (1.22V typ)
- Output Gain Options
- Unity (1x)
- 2x (when not using internal VDD as voltage source)
- Non-Volatile Memory (EEPROM)
- User programmed POR/BOR output setting recall and Device Configuration bits
- Auto Recall of Saved DAC register setting
- Auto Recall of Saved Device Configuration(Voltage Reference, Gain, Power Down)
- Power Down Modes
- Disconnects output buffer (High Impedance)
- Selection of VOUT pull-down resistors (100 kΩ or 1 kΩ)
- Low Power Consumption
- Normal Operation: 380µA (max)
- Power Down Operation: 650nA (typ)
- EEPROM write cycle: 1.9mA (max)
参数
类型 | 描述 |
Resolution | 12 |
Channels | 2 |
Interface | I²C |
INLMaxLSB | 6 |
Output Settling Time | 6 |
Memory Type | Non-Volatile |



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