Digital-to-analog converters (DACs) are prevalent inindustrial control and automated test applications.General-purpose automated test equipment often requiresmany channels of precisely controlled voltagesthat span several voltage ranges. The LTC2704 is ahighly integrated 16-bit, 4-channel DAC for high-endapplications. It has a wide range of features designed toincrease performance and simplify design.
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Differential Nonlinearity: Ideally, any two adjacent digitalcodes correspond to output analog voltages that are exactlyone LSB apart. Differential non-linearity is a measure of theworst case deviation from the ideal 1 LSB step. For example,a DAC with a 1.5 LSB output change for a 1 LSB digital codechange exhibits 1⁄2 LSB differential non-linearity. Differentialnon-linearity may be expressed in fractional bits or as a percentageof full scale. A differential non-linearity greater than1 LSB will lead to a non-monotonic transfer function in aDAC.Gain Error (Full Scale Error): The difference between theoutput voltage (or current) with full scale input code and theideal voltage (or current) that should exist with a full scale inputcode.Gain Temperature Coefficient (Full Scale TemperatureCoefficient): Change in gain error divided by change in temperature.Usually expressed in parts per million per degreeCelsius (ppm/°C).Integral Nonlinearity (Linearity Error): Worst case deviationfrom the line between the endpoints (zero and full scale).Can be expressed as a percentage of full scale or in fractionof an LSB.LSB (Lease-Significant Bit): In a binary coded system thisis the bit that carries the smallest value or weight. Its value isthe full scale voltage (or current) divided by 2n, where n is theresolution of the converter.Monotonicity: A monotonic function has a slope whose signdoes not change. A monotonic DAC has an output thatchanges in the same direction (or remains constant) for eachincrease in the input code. the converse is true for decreasing codes.
标签： Converters Defini DAC
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铁镍钼磁粉芯性能曲线
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用12864显示温度曲线
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atmage16单片机DAC范例程序
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利用VB编程实现实时数据曲线绘制
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MSP430单片机用12864液晶绘制DS18B20温度曲线源代码
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51单片机绘制温度曲线
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LPC900 系列单片机由于其功能强大，性能稳定一直深受用户欢迎。P89LPC901 是LPC900 系列单片机的一员，性价比极高，为SO8/DIP8 封装，内含1KB FLASH，支持ICP，且具有6 个I/O 口、4 个TIMER、1 路PWM 输出、模拟比较器、键盘中断等众多功能部件。本文利用LPC901 单片机的强大功能实现ADC/DAC，并且通过模拟UART 与PC 机进行通信；通过PC 端软件可以显示DA 转换结果及控制DA 输出电压。
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断路器脱扣曲线分析
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