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dac

數(shù)模轉(zhuǎn)換器，又稱D/A轉(zhuǎn)換器，簡稱dac，它是把數(shù)字量轉(zhuǎn)變成模擬的器件。D/A轉(zhuǎn)換器基本上由4個部分組成，即權(quán)電阻網(wǎng)絡(luò)、運算放大器、基準電源和模擬開關(guān)。模數(shù)轉(zhuǎn)換器中一般都要用到數(shù)模轉(zhuǎn)換器，模數(shù)轉(zhuǎn)換器即A/D轉(zhuǎn)換器，簡稱ADC，它是把連續(xù)的模擬信號轉(zhuǎn)變?yōu)殡x散的數(shù)字信號的器件。

高集成四通道工業(yè)控制應(yīng)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(yè)

上傳時間： 2013-11-22

上傳用戶：元宵漢堡包
dac技術(shù)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(xiàn)ADC dac及UART通信

LPC900 系列單片機由于其功能強大，性能穩(wěn)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(nèi)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(xiàn)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(zhuǎn)換結(jié)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(shù)字模擬轉(zhuǎn)換程序

430編程：基于169的dac數(shù)字模擬轉(zhuǎn)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(shù)設(shè)置代碼

凌云邏輯CS4360音頻dac的參數(shù)設(shè)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(shè)計開發(fā)的。程序運行時將按順序?qū)?shù)據(jù)RAM空間、程序代碼空間、片上異步串行通訊、ADC-dac聯(lián)合檢測、雙向數(shù)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(shè)計開發(fā)的。程序運行時將按順序?qū)?shù)據(jù)RAM空間、程序代碼空間、片上異步串行通訊、ADC-dac聯(lián)合檢測、雙向數(shù)字I/O口、通用I/O和評估板LED、評估板并排手動開關(guān)分別進行檢測。測試結(jié)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(qū)動程序

EBD7312 dac SDT 測試程序及驅(qū)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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dac

高集成四通道工業(yè)控制應(yīng)用的電壓輸出dac

dac技術(shù)用語 (D/A Converters Defini

AVR單片機dac范例程序

P89LPC901實現(xiàn)ADC dac及UART通信

430編程：基于169的dac數(shù)字模擬轉(zhuǎn)換程序

凌云邏輯CS4360音頻dac的參數(shù)設(shè)置代碼

本測試程序是針對TMS320LF2407 EVM的性能測試而設(shè)計開發(fā)的。程序運行時將按順序?qū)?shù)據(jù)RAM空間、程序代碼空間、片上異步串行通訊、ADC-dac聯(lián)合檢測、雙向數(shù)字I/O口、通用I/O和評估板

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

dac outputs a sine wave 550Hz to dac0. Rate calculations assume defualt clock of 2.097152MHz 針對于A

EBD7312 dac SDT 測試程序及驅(qū)動程序