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说明

MCP433X设备是具有SPI兼容接口的四通道、易失性、7位（129步）数字电位计。MCP433X系列提供端到端电阻值为5K岛、10K岛、50k岛和100K岛。这些设备提供了多种配置，简化了设计，同时最大限度地降低了成本、封装尺寸和引脚数量。

特性

• Quad Resistor Network
• Potentiometer or Rheostat Configuration Options
• 7-bit: 128 Resistors (129 Taps)
• 5kΩ
• 10kΩ
• 50kΩ
• 100kΩ
• Zero Scale to Full Scale Wiper Operation
• Low Wiper Resistance: 75Ω (typical)
• Absolute (Rheostat): 50 ppm typical (0°C to 70°C)
• Ratiometric (Potentiometer): 15 ppm typical
• High-Speed Read/Writes to wiper registers
• Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
• Reset Input Pin
• Brown-out Reset Protection (1.5V typical)
• Serial Interface Inactive Current (2.5 µA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• 2.7V to 5.5V – Device Characteristics Specified
• 1.8V to 5.5V – Device Operation
• 2 MHz (typical) for 5.0 kΩ device
• Extended Temperature Range (-40°C to +125°C)
• AEC-Q100 Grade 1 quarlified

参数