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说明

MCP41HV31是一款单通道高压数字电位器（Digipot）系列，支持10V~36V或+/-5V至+/-18V电源导轨。它具有7位分辨率和SPI接口。该系列有TSSOP-14和QFN-20（5x5）封装，有5k岛、10k岛、50k岛和100k岛端到端电阻（RAB）选项。所有部件都保证在-40°C至+125°C的扩展温度范围内运行。

Microchip的MCP41HVX1和MCP45HVX1数字电位器（Digipot）系列提供了目前市场上最宽的工作电压范围。

特性

• +36V Terminal Voltage Range (DGND = V–)
• ±18V Terminal Voltage Range(DGND = V– + 18V)
• Analog: 10V to 36V (specified performance)
• Digital: 2.7V to 5.5V
• 7-bit: 127 Resistors (128 Taps)
• 5kΩ
• 10kΩ
• 50kΩ
• 100kΩ
• 25 mA (for 5kΩ)
• 12.5 mA (for 10 kΩ)
• 6.5 mA (for 50 kΩ and 100 kΩ)
• Zero-Scale to Full-Scale Wiper Operation
• Low Wiper Resistance: 75Ω (Typical)
• Low Tempco: Ratiometric (Potentiometer): 15 ppm Typical
• Ratiometric (Potentiometer): 15 ppm Typical
• SPI Serial Interface(10 MHz, Modes 0,0 and 1,1)
• Shutdown Pin (SHDN)
• Terminal Control (TCON) Register
• Write Latch (WLAT) Pin to control update of Volatile Wiper Register (such as Zero Crossing)
• Digital Supply (VL/DGND); 1.5V Typical
• Analog Supply (V+ / V-); 3.5V Typical
• Serial Interface Inactive Current (3 µA Typical)
• 3dB Bandwidth: 500 kHz Typical (5.0 kΩ Device)
• Extended Temperature Range (-40°C to +125°C)
• Package Types: TSSOP-14 and QFN-20 (5x5)

参数