Maxim Integrated 美信 MAX11300 20 端口混合信号 I/O
美信 MAX11300 在单片集成电路中集成 PIXI™、12 位、多通道模/数转换器(ADC)和 12 位、多通道、带缓冲性能的数/模转换器(DAC)。该器件提供 20 个混合信号、高压、双极性端口，可配置作为 ADC 模拟输入、DAC 模拟输出、通用输入(GPI)、通用输出(GPO)或模拟开关端子。一个内部和两个外部温度传感器分别跟踪结温和环境温度。相邻的一对端口可配置用于开漏器件逻辑电平转换器或模拟开关。PIXI 端口提供高灵活度的硬件配置，适用于 12 位混合信号应用。MAX11300 非常适合用于对模拟和数字混合功能有要求的应用。每个端口可独立配置，-10V 至 +10V 内有多达四个可选电压范围。
特性
- Up to 20 12-Bit ADC Inputs, Single-Ended or Differential
- ADC Absolute Input Voltage Ranges
- 0 to +10V
- -5 to +5V
- -10V to 0V
- 0 to +2.5V (Direct ADC Connection)
- Programmable Sampling Averaging per ADC Port
- Up to 20 12-Bit DAC outputs with 25mA Current Capability
- DAC Output Voltage Ranges
- 0 to +10V
- -5 to +5V
- -10V to 0V
- Up to 20 General-Purpose Digital I/O
- 0 to +5V Input Range for GPI
- 0 to +2.5V Programmable Threshold Range for GPI
- 0 to +10V Programmable Output Range for GPO
- Internal or External Voltage Reference for DAC and ADC
- Individually Selectable Voltage Reference for Each ADC-Configured PIXI Port
- Internal and External Temperature Sensors, ±2°C Accuracy
- 50Ω Analog Switching Capability Between Adjacent PIXI Ports
- +5V Analog Supply
- 1.8V to 5.0V Compatible Serial Interface
- 20MHz SPI/QSPI-Compatible
- Small 6mm x 6mm 40-Pin TQFN Package
应用
- Base Station RF Power Device Bias Controllers
- Control for Optical Components
- Industrial Control and Automation
- Power-Supply Monitoring
- System Supervision and Control
视频
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