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Description: AD7789 16Bit/24bit的ADC IC，資料讀取源碼。
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Size: 1131 |
Author: keny |
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Description: Easy-to-Use, Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I2C Interface
The LTC2453 is an ultra-tiny, fully differential, 16-bit, analog-to-digital converter. The LTC2453 uses a single 2.7V to 5.5V supply and communicates through an I2C interface. The ADC is available in an 8-pin, 3mm x 2mm DFN package. It includes an integrated oscillator that does not require any external components. It uses a delta-sigma modulator as a converter core and has no latency for multiplexed applications. The LTC2453 includes a proprietary input sampling scheme that reduces the average input sampling current several orders of magnitude lower than conventional delta-sigma converters. Additionally, due to its architecture, there is negligible current leakage between the input pins.
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Size: 273408 |
Author: Lee Ka Wing |
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Description: AD7789 16Bit/24bit的ADC IC，資料讀取源碼。-AD7789 16Bit/24bit the ADC IC, information read the source code.
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Size: 1024 |
Author: keny |
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Description: AD7708 - ANALOG DEVICES 16bit ADC CONVERSION ROUTINES-AD7708- ANALOG DEVICES 16bit ADC CONVERSION ROUTINES
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Size: 4096 |
Author: tone |
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Description: AD779x 系列产品常见问题解答AD7798/AD7799均为适合高精度测量应用的低功耗、低噪声、完整模拟前端，内置一个低噪声16位/24位Σ-Δ型ADC，其中含有3个差分模拟输入，还集成了片内低噪声仪表放大器，因而可直接输入小信号。当增益设置为64、更新速率为4.17Hz时，AD7799的均方根（RMS）噪声为27nV，AD7798的均方根（RMS）噪声为40nV.-AD779x products FAQ AD7798/AD7799 are high-precision measurement applications for low-power, low noise, complete analog front-end, built a low-noise 16-bit/24-type Σ-Δ ADC, which contains three differential analog input, but also integrated chip low-noise instrumentation amplifier, which can directly enter the small-signal. When the gain is set to 64, update rate for 4.17Hz when, AD7799 the RMS (RMS) noise of 27nV, AD7798 the RMS (RMS) noise 40nV.
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Size: 163840 |
Author: lsc2000 |
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Description: C8051F350 24或16位 ADC 可编程转换速率，可达1 ksps-C8051F350 24 or 16-bit ADC programmable conversion rate, up to 1 ksps
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Size: 1024 |
Author: sundeyuan |
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Description: 16位逐次比较模数转换器ADC7715的C51源代码。-16-bit successive comparison ADC ADC7715 of the C51 source code.
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Size: 1024 |
Author: liu |
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Description: FPGA控制AD7610采样.此为通用控制器模块.其中ADC16BITs串行传入FPGA后,串行数据转换成16BIT并行数据-ADC controller
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Size: 274432 |
Author: 王光耀 |
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Description: ADC — 16bit-adc 16bit
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Size: 1024 |
Author: 邓岚 |
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Description: TLV320AIC23（以下简称AIC23）是TI推出的一款高性能的立体声音频Codec芯片，内置耳机输出放大器，支持MIC和LINE IN两种输入方式（二选一），且对输入和输出都具有可编程增益调节。AIC23的模数转换（ADCs）和数模转换（DACs）部件高度集成在芯片内部，采用了先进的Sigma－delta过采样技术，可以在8K到96K的频率范围内提供16bit、20bit、24bit和32bit的采样，ADC和DAC的输出信噪比分别可以达到90dB和100dB。与此同时，AIC23还具有很低的能耗，回放模式下功率仅为23mW，省电模式下更是小于15uW。由于具有上述优点，使得AIC23是一款非常理想的音频模拟I/O器件，可以很好的应用在随声听（如CD，MP3……）、录音机等数字音频领域。-TLV320AIC23 (hereinafter referred to as AIC23) is a TI introduced a high-performance stereo audio Codec chip, built-in headphone output amplifier, to support both MIC and LINE IN input (check one), and the input and output are programmable Gain adjustment. AIC23 analog to digital conversion (ADCs) and digital-analog converters (DACs) of highly integrated components inside the chip, using the advanced Oversampling Sigma-delta technology, the frequency in the range of 8K to 96K provide 16bit, 20bit, 24bit and 32bit Sampling, ADC and the DAC s output signal to noise ratio up to 90dB, respectively, and 100dB. At the same time, AIC23 also has very low energy consumption, playback mode, power is only 23mW, power-saving mode is less than 15uW. Because of these advantages, making the AIC23 is a very good analog audio I/O devices, the Walkman can be a good application (such as CD, MP3 ... ...), tape recorders and other digital audio field.
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Size: 76800 |
Author: 王伟 |
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Description: 本例展示了如何使用双ADC对多路通道进行同时转化。
使用ADC1对通道14和通道17进行转化。使用ADC2对通道10和通道11进行转化。通道17与内部参考电压Vref相连。
一旦转换开始，ADC1和ADC2对对通道14和10的转换将同时开始，结果存于ADC1的32-bit DR寄存器内，其中高16bit为ADC2对通道10的转换结果，低16bit为ADC1对通道14的转换结果。之后由DMA把DR寄存器内的数据传送到内存中的ADC_DualConvertedValueTab表格。随后，ADC1和ADC2以及DMA会对通道17和通道11进行同样流程的转换和数据传送。
这样的转换-传送将会持续进行直到传送的数据数目达到DMA预设的上限。
对于STM3210B-LK1板，可以利用LCD把通道17上Vref的值，和通道10上分压器VR1上的电压值交替显示在屏幕上作为验证。-This example shows how to use the dual-ADC simultaneous conversion of multiple channels. Use ADC1 conversion on channel 14 and channel 17. Use ADC2 conversion on channel 10 and channel 11. Channel 17 and the internal reference voltage Vref is connected. ADC1 and ADC2 conversion channels 14 and 10 will start once the conversion is started, the result is stored in the ADC1 the 32-bit DR register, 16bit is the result of the conversion of ADC2 channel 10, including high, low 16bit ADC1 channel 14 The result of the conversion. After the DMA data transfer within the DR register to the memory of ADC_DualConvertedValueTab form. Subsequently, the ADC1 and ADC2 and DMA will channel 17 and channel 11, the same process of conversion and data transfer. Such a conversion- transfer will continue until the upper limit of the number of transmitted data DMA default. The LK1 STM3210B-board, can take advantage of the LCD voltage on the value of Vref in the channel 17 and channel 10 divider VR1 to alternat
Platform: |
Size: 307200 |
Author: 彭富林 |
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Description: DS2438 终于将DS2438调通了，着这里说说经验。其实说白了就是个时序问题，但是要注意两点：1>1-wire总线的复位和读写时间问题（这个相信做过的人一般都没有问题）；2>DS2438内部AD转换的时间问题（这个问题大家可能容易忽视）。在坛子里看过别人的程序，在其他网站上也找过程序，有很多人有这样的问题，就是采温度是准确的，采电压不正确，其实这就是忽视了DS2438的内部ADC转换时间的问题。其内部的电压采样用的是10bit的ADC，转换时间是10ms左右！！！电流采样的ADC是16bit的，采样时间是274.6ms左右（采样频率36.41HZ），所以启动AD转换之后一定等到转换完毕才去读取数据，这样才不会出错。我要采的电流范围是-60A~+60A，不知道这个芯片行不行，按计算用2m欧的电阻可以保证电压在其标称极限值-125mV~+125mV范围之内，晚上试试实际效果怎样。下面是在LPC2132上调试通过的代码： -终于将DS2438调通了，着这里说说经验。其实说白了就是个时序问题，但是要注意两点：1>1-wire总线的复位和读写时间问题（这个相信做过的人一般都没有问题）；2>DS2438内部AD转换的时间问题（这个问题大家可能容易忽视）。在坛子里看过别人的程序，在其他网站上也找过程序，有很多人有这样的问题，就是采温度是准确的，采电压不正确，其实这就是忽视了DS2438的内部ADC转换时间的问题。其内部的电压采样用的是10bit的ADC，转换时间是10ms左右！！！电流采样的ADC是16bit的，采样时间是274.6ms左右（采样频率36.41HZ），所以启动AD转换之后一定等到转换完毕才去读取数据，这样才不会出错。我要采的电流范围是-60A~+60A，不知道这个芯片行不行，按计算用2m欧的电阻可以保证电压在其标称极限值-125mV~+125mV范围之内，晚上试试实际效果怎样。下面是在LPC2132上调试通过的代码：
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Size: 10240 |
Author: 万小雨 |
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Description: AD7656是一款16bit高信噪比6路ADC转换器，可以应用在多路采集系统中。-The AD7656 is a 16-bit high signal-to-noise ratio 6-channel ADC converter can be applied to multi-channel acquisition system.
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Size: 485376 |
Author: viva |
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Description: Simulation of direct digital synthesis sine wave in the MathCAD (10 bit ADC, 16-bit accumulator, 12-bit ROM, the clock frequency of 25MHz)
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Size: 13312 |
Author: user |
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Description: adc转换芯片，双积分adc，adc转换芯片，双积分adc -2*16bit adc ic
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Size: 140288 |
Author: yhj |
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Description: ADS1278 8通道ADC数据采集程序，AD采样深度24bit，保留16bit输出。状态机编写。-ADS1278 8-channel ADC data collection procedures, AD sampling depth of 24bit, 16bit output reserved. Write state machine.
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Size: 1024 |
Author: 郭俊媛 |
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Description: AD7656是高集成度、6通道、16bit逐次逼近(SAR)型ADC-AD7656 is a highly integrated, 6 channel, 16bit successive approximation (SAR) ADC
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Size: 112640 |
Author: 焦峰 |
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Description: Kinetis KL17/27/33 MCU是飞思卡尔推出的针对超低功耗应用的产品，提供了100uA/MHz的全速运行动态功耗以及1.43uA的静态功耗。KL17/27/33 MCU采用了48MHz的ARM® Cortex® M0+内核，提供了丰富的内存配置，内建Bootloader， 集成了丰富的外设，包括低功耗UART，ISO7816，24M bps SPI， 1M bps I2C， 16bit ADC, 以及高精度参考电压源。-Kinetis KL17/27/33 MCU is freescale s products aimed at the ultra low power applications, provided 100 uA/MHz run at full speed of the dynamic power consumption as well as the static power consumption 1.43 uA. KL17/27/33 MCU adopted 48 MHZ ARM ® architecture ® M0+ kernel, provides abundant memory configuration, built-in Bootloader that integrates rich peripherals, including low-power UART, ISO7816, 24 m BPS SPI, 1 m BPS I2C, 16 bit ADC, and high precision reference voltage source.
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Size: 196608 |
Author: 李 |
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Description: VHDL program for AD7606 16bit 8input ADC drive
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Size: 2225 |
Author: metidji77@yahoo.fr |
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