The analog signal can only be handled by software only after the A / D conversion to the digital signal, which is all implemented by the A / D converter (ADC). Corresponding to the analog to digital conversion, digital-to-mode conversion is the reverse process of analog to digital conversion, which will mainly introduce several modulus-converted methods and modulus converters.
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1,16-bit, 20MSPS ~ 125MSPS analog-to-digital converter demo board
The demo board DC1762A is designed based on a series of 16-bit, 20 msps ~ 125MSPS analog-to-digital converter. Each component is one of the following device features: LTC® 2165, LTC2164, LTC2163, LTC2162, LTC2161, LTC2160, LTC2159, or LTC2269 high-speed, high dynamic range modulus converter.
Scenario: https://www.cirmall.com/circuit/129
2,24-bit, 4 channel modulus conversion, data acquisition system (schematic + PCB source file + BOM)
24-bit, 4 channel modulus conversion, data acquisition system overview:
In process control and industrial automation, ± 10 V full-scale signal is very common; however, in some cases, the signal may be small to only a few MV. When processing ± 10 V signals with modern low voltage ADCs, attenuation and level conversion must be performed. However, for small signals, it is necessary to enlarge the dynamic range of the ADC. Therefore, when the range of variations in the input signal is large, a circuit with a programmable gain function is required.
The circuit design is a flexible signal conditioning circuit for processing signals for wide dynamic range (from several MV P-P to 20 V P-P). This circuit utilizes the internal programmable gain amplifier (PGA) of the High Resolution Mode Converter (ADC) to provide the necessary conditioning and level conversion and achieve dynamic range.
The circuit includes an ADG1409 multiplexer, an AD8226 meter amplifier, an AD8475 differential amplifier, an AD7192 σ-Δ ADC (using the ADR444 reference voltage source) and the ADP1720 regulator. Simply require a small amount of external components to provide protection, filtering, and decoupling such that the circuit has a high integration, and the required circuit board (printed circuit board [PCB]) is small
Scenario: https://www.cirmall.com/circuit/6309
3, analog to digital conversion Internet of Things development board schematic + PCB source file
The analog-to-digital conversion Internet of Things is mainly applied to analog embedded robot feedback control loop, and output digital signals through the simulation analog sensor. This analog-to-digital conversion development board solution is based on two major integrated circuits: ADG (analog multi-channel multiplexer) and ADC (analog digital converter). It is a programmable scientific solution that provides SPI serial communication with the MCP3208 integrated circuit. The analog sensor voltage obtains partial pressure by the adjustable resistance, and detailed with the attachment content.
Scenario: https://www.cirmall.com/circuit/3831
4, high resolution modulus converter ADS1262 ADS1263 Schematic + PCB + BOM table low noise high precision extra temperature gun design
The ADS1262 and ADS1263 are low noise, low drift modulus converter ADCs with integrated PGA, voltage reference and internal fault monitor. The ADC provides a complete set of high-precision, single-chip measurement solutions to meet the needs of most sensor applications, including weighing balance, stress sensors, thermocouples, high-precision infrared temperatures. High resolution analog-to-digital converter ADS1262 ADS1263, provides schematic + PCB + BOM table, can be used for low noise high-precision measuring equipment, such as infrared temperature measurement, gauge design, etc.
Scenario: https://www.cirmall.com/circuit/16122
5, analog to digital conversion LED rotation clock design (schematic, program source code)
This design is the old-made LED rotation clock, and the circuit is based on AVR AT90S2313. Since the reprinted place is not identified the origin source, it can only be sorry for the original author.
Scenario: https://www.cirmall.com/circuit/4877
6. Based on ADC121C021 GROVE analog-to-digital converter schematic / PCB / use tutorial
The XADOW Grove Modular Converter is a device that converts a Grove interface to an XADOW interface for a device that is compatible with XADOW System. It can achieve this: an analog signal from two simulated Grove interfaces will be output by the XADOW I2C bus. The signal from the Grove I2C interface will communicate directly with the XADOW I2C bus, no conversion. The GROVE analog-to-digital converter produces high precision by ADCC121C021 chip, and the ADC121C021 is an I2C compatible and 12-bit analog number converter having an alarm pin.
Scenario: https://www.cirmall.com/circuit/6866
7, ADS1115 analog-to-digital converter C51 / MSP430 example program and reference circuit
This design shared TI 16-bit low-power analog-to-digital converter (ADS1115 related design materials, including ADS1115 reference circuits and ADS1115 C51 / MSP430 cases for users to use. The ADS1115 has an input multiplexer (MUX) that provides two differential inputs or four-way single-ended input. The data is transmitted by a serial interface that is compatible with I2C. Four I2Cs are available from the address. The ADS1115-Q1 devices are powered by a single source of 2V to 5.5V in a voltage range.
Scenario: https://www.cirmall.com/circuit/7434
8, help improve efficiency modulus conversion, improve motor drive efficiency solution
This design provides 4 channel signal adjustment solutions to integrate differential ADCs for measuring motor current through a magnetic door sensor. Alternative measuring circuits with external differential SAR ADCs and high-speed overcurrent and ground fault detection circuits are also available. Appropriate differential signal adjustment can improve the anti-noise performance of critical circuit measurement in the motor drive. This reference design helps improve efficient analog-to-digital conversion solutions to improve motor drive efficiency.
Scenario: https://www.cirmall.com/circuit/11199
9, Texas Instrument four-channel ultra low power consumption 16-bit 1.25GSPS digital-to-analog converter DAC3484 evaluation board
DAC3484EVM is a circuit board that allows designers to assess Texas Instruments (TI) DAC3484 four-channel ultra low power 16-bit 1.25GSPS digital-to-analog converter (DAC) performance board, with 8-bit wide DDR LVDS data input, integrated 2X / 4X / 8x / 16X interpolation filter, 32-bit NCO and PLL, and have excellent linearity at high IF. EVM provides a flexible environment that can be tested under various clocks, data inputs, and IF or RF output conditions. As an easy-to-use intact RF emission solution, DAC3484EVM includes a CDCE62005 clock generator / jitter canceller for DAC3484 timing and TRF370315 400MHz to 4GHz orthogonal modulator, which can convert I / Q output from DAC For radio frequency real signals.
The EVM can be used with TSW3100 to perform various test procedures. The TSW3100 generates a test mode that will be fed from the 1.25GSPS LVDS interface to DAC3484. The DAC3484EVM clock chip can be used to keep TSW3100 panels with DAC3484EVM synchronization.
DAC3484EVM is also compatible with Xilinx and Altera FPGA EVMs and design kits for fast evaluation and prototype design. DAC3484EVM includes HSMC input, directly connected to Altera FPGA EVM compatible with HSMC. The FMC-DAC-Adapter board provided by Ti can connect DAC3484EVM to the FMC connector on the Xilinx EVM.
characteristic
DAC3484 has comprehensive testing capabilities to ZIF, IF and RF output
Directly connected to the TSW3100 signal generator
Contains CDCE62005 for clock generation or jitter cancellation
TRF370315 containing the full transmitter evaluation
Software support with full functional GUI to ensure easy testing and prototype design
FMC-DAC-Adapter Card Concult Concluding FMC Interconnects provided on Xilinx FPGA EVM
Directly compatible with HSMC connector on Altera FPGA EVM
Scenario Link: https://www.cirmall.com/circuit/44
10, low frequency signal generator based on AT98C51 and 8-bit D / A conversion chip DAC0832
The four common waveforms of the square wave, triangulation, sawtooth, and trapezoidal waves are achieved by using the single-chip AT98C51 and 8-bit D / A conversion chip DAC0832.
1, AT80C51;
2, DAC0832 one;
3, OPAMP;
4, digital tube one;
5, press the key switch;
6, the resistance, several inductors;
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Source: Circuit City
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