品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 MCP4451 Features
• Quad Resistor Network • Potentiometer or Rheostat Configuration Options • Resistor Network Resolution: 7-bit – 128 Resistors (129 Taps) 8-bit – 256 Resistors (257 Taps) • Four RAB Resistances options: 5 k 10 k 50 k 100 k • Zero-scale to Full-scale Wiper Operation • Low Wiper Resistance – 75 typical • Low Tempco: Absolute (Rheostat) – 50 ppm typical (0°-70°C) Ratiometric (Potentiometer) – 15 ppm typical • I2C Serial Interface Support: 100 kHz 400 kHz 3.4 MHz • Serial Protocol Allows High-Speed Read/Write to Wiper • 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 uA typical • High-Voltage Tolerant Digital Inputs Up to 12.5V • Supports Split Rail Applications • Internal Weak Pull-up on All Digital Inputs, except SCL and SDA • Wide Operating Voltage: 2.7V to 5.5V - Device Characteristics Specified 1.8V to 5.5V - Device Operation • Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0 k Device • Extended Temperature Range (-40°C to +125°C) • Three Package Types: 4x4 QFN-20 TSSOP-20 TSSOP-14 |
