选择合适的系列电压基准源的绝对精度电压输出
GHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px">Parameter Design A Design B Design C Design D Low cost, loose accuracy High absolute accuracy and precision One-time calibrated, low drift Low voltage, battery powered, moderate accuracy Consumer audio device Lab instrument Digital offset and gain adjustment Portable instrument MAX5304,
10-bit single MAX5170,
14-bit single MAX5154,
12-bit dual MAX5176,
12-bit single Force/sense gain set to 1 Fixed gain = 1.638 Fixed gain = 2 Fixed gain = 1.638 MAX6102 MAX6325 MAX6162
A grade MAX6190
A grade 2.5V 2.5V 2.048V 1.25V 0.4% or 4000ppm Not critical due to gain calibration Not critical due to gain calibration 0.16% or 1600ppm 75ppm°C 1ppm/°C 5ppm/°C 5ppm/°C Reference-Load Regulation 0.9mV/mA 6ppm/mA 0.9mV/mA 0.5µV/µA Temperature Range 0°C to 70°C (commercial)
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Main Design Objectives
Example Application
DAC
10-bit single
14-bit single
12-bit dual
12-bit single
DAC Output
Voltage Reference
A grade
A grade
Reference Voltage
Reference Initial Accuracy
Selected Reference Tempco (maximum)
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