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DAc

數模轉換器,又稱D/A轉換器,簡稱DAc,它是把數字量轉變成模擬的器件。D/A轉換器基本上由4個部分組成,即權電阻網絡、運算放大器、基準電源和模擬開關。模數轉換器中一般都要用到數模轉換器,模數轉換器即A/D轉換器,簡稱ADC,它是把連續的模擬信號轉變為離散的數字信號的器件。
  • 高集成四通道工業控制應用的電壓輸出DAc

      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.

    標簽: DAc 集成 四通道 工業

    上傳時間: 2013-11-22

    上傳用戶:元宵漢堡包

  • DAc技術用語 (D/A Converters Defini

    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.

    標簽: Converters Defini DAc

    上傳時間: 2013-10-30

    上傳用戶:stvnash

  • AVR單片機DAc范例程序

    atmage16單片機DAc范例程序

    標簽: AVR DAc 單片機 范例

    上傳時間: 2014-12-25

    上傳用戶:hzy5825468

  • P89LPC901實現ADC DAc及UART通信

    LPC900 系列單片機由于其功能強大,性能穩定一直深受用戶歡迎。P89LPC901 是LPC900 系列單片機的一員,性價比極高,為SO8/DIP8 封裝,內含1KB FLASH,支持ICP,且具有6 個I/O 口、4 個TIMER、1 路PWM 輸出、模擬比較器、鍵盤中斷等眾多功能部件。本文利用LPC901 單片機的強大功能實現ADC/DAc,并且通過模擬UART 與PC 機進行通信;通過PC 端軟件可以顯示DA 轉換結果及控制DA 輸出電壓。

    標簽: UART P89 LPC 901

    上傳時間: 2013-11-06

    上傳用戶:shus521

  • 430編程:基于169的DAc數字模擬轉換程序

    430編程:基于169的DAc數字模擬轉換程序

    標簽: 430 169 DAc 編程

    上傳時間: 2014-01-19

    上傳用戶:Miyuki

  • 凌云邏輯CS4360音頻DAc的參數設置代碼

    凌云邏輯CS4360音頻DAc的參數設置代碼,缺省為I2S六聲道。

    標簽: 4360 DAc CS 凌云邏輯

    上傳時間: 2015-04-12

    上傳用戶:123啊

  • 本測試程序是針對TMS320LF2407 EVM的性能測試而設計開發的。程序運行時將按順序對數據RAM空間、程序代碼空間、片上異步串行通訊、ADC-DAc聯合檢測、雙向數字I/O口、通用I/O和評估板

    本測試程序是針對TMS320LF2407 EVM的性能測試而設計開發的。程序運行時將按順序對數據RAM空間、程序代碼空間、片上異步串行通訊、ADC-DAc聯合檢測、雙向數字I/O口、通用I/O和評估板LED、評估板并排手動開關分別進行檢測。測試結果的正確或錯誤均有信息顯示。

    標簽: ADC-DAc 2407 TMS 320

    上傳時間: 2014-02-04

    上傳用戶:klin3139

  • aduc845匯編程序包:wdt,uart,timer2,tic, pllcon,DAc,adc,

    aduc845匯編程序包:wdt,uart,timer2,tic, pllcon,DAc,adc,

    標簽: pllcon timer aduc uart

    上傳時間: 2014-02-09

    上傳用戶:zhaiye

  • DAc outputs a sine wave 550Hz to DAc0. Rate calculations assume defualt clock of 2.097152MHz 針對于A

    DAc outputs a sine wave 550Hz to DAc0. Rate calculations assume defualt clock of 2.097152MHz 針對于ADUC848

    標簽: calculations DAc 2.097152 outputs

    上傳時間: 2015-05-02

    上傳用戶:zhuyibin

  • EBD7312 DAc SDT 測試程序及驅動程序

    EBD7312 DAc SDT 測試程序及驅動程序

    標簽: 7312 EBD DAc SDT

    上傳時間: 2015-06-21

    上傳用戶:ukuk

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