Questions tagged [adc]
An ADC is an Analog to Digital Converter. This device converts analog signals into digital form. It is mainly used by digital circuitry to take analog measurements.
3,275 questions
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ADS1256 keep showing 0 value on the Arduino serial monitor
I have designed an ADS1256 breakout board to interface with a Teensy 4.0 controller via the SPI protocol. I uploaded the code to the controller and tried to read data from the ADC input pins. However, ...
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Debugging my 2-bit M DAC for my 6-bit Pipeline ADC with 2-bit, 3-stage configuration for analog mixed-signal design [closed]
I am trying to make Pipeline ADC for my mixed-signal project, I tried to simulate it first in LTSPICE before I did layout and simulating in Cadence Virtuoso, but my M DAC using summer switch capacitor ...
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Can I provide ADC's DVDD to power other digital components in the pcb
I am using AD5941 in my design. AD5941 AVDD and DVDD are powered separately using two regulators . Same LDO P/N is used.One for powering AVDD and the other for Powering DVDD.
In my board, I have ...
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How to interface ADA4355 ADC with Spartan-6 SLX9 FPGA (16-bit DDR/SDR modes)?
I'm working on capturing ADC data from an ADA4355 using a Spartan-6 LX9 FPGA.
According to the ADC datasheet, it can output data in several modes, such as:
16-Bit DDR/Single Data Rate (SDR), Two-Lane, ...
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Connecting RC circuit to Enable pin of a MUX for enabling after power on
I am connecting TMUX1108 to electrochemical input of AD5941.AD5941 has only three GPIO pins.These GPIO lines will be connected to address lines of the MUX.No pin is available with AD5941 to control ...
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Common mode noise rejection improvement whne converting single ended to differential signal using disscrete implementation or FDA
I am designing ADC driver for LTC2325. The signal to be read is an output from a scietific detector which is single ended. The preamp driver and ADC are part of detector controller which is planned to ...
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How to combine ESD protection with steady state over voltage protection for ADC input?
As a hobbyist I am planning to build a PCB that reads temperature and pressure sensors with ADC. The signal voltage ranges from 0 to 5V. There might be a situation when someone by mistake connects 12V ...
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For a mosfet ladder for Flash ADC, should body be connected to source or ground?
So we are working on a Flash ADC and we were trying to build a diode connected mosfet ladder for voltage division. Thing is, we know that diode connected load should have body to source connection for ...
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Peak Detection read by an ADC
I am needing to create a circuit that branches off from my audio path, detects either the peaks or the envelope of the audio signal, and feed those DC values to the ADC of my MCU.
I am reaching ...
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MCP3912 Vref and crystal clarifications
I have a couple of issue with the MCP3912. Myabe if someone has used this, could give me a few pointers.
As per the datasheet, the maximum differential input voltage is 0.6V. But I am getting maximum ...
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Radiation Sensor interface to ADC of CC1352P
I will be using this radiation sensor in my project. The schematic is given below.
May I know can I connect the output of this sensor to ADC of CC1352P. The working voltage of CC1352P is 3.3V. If ...
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Mixed Signal PCB arrangment [closed]
I’m working on a Mixed signal project with another engineer and they have placed switch-mode power supply within 30mm to ADC. I know SMPS circuits are notorious noise generators, and ADCs are ...
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Should I add an RC filter to the analog input pin (STM32F103 ADC) for a triac light dimmer application?
I'm designing a custom PCB using an STM32F103 microcontroller to control a triac-based light dimmer. The firing angle for the triac is determined by reading the voltage from the potentiometer.
The ...
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Why is there a random Input-offset error on my ADC that changes when I touch it and remove capacitors?
I have a hardware offset voltage at the input of my AMC131M01DFMR when HV+ and HV- are shorted. I would like to know how I can model it because it’s being quite erratic.
The circuit is relatively ...
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How to verify ADC data sampling aligned with center-aligned TIM8 PWM on STM32H743 without oscilloscope?
I am working on an STM32H743 project where I need to read ADC data synchronized with a center-aligned PWM signal generated by TIM8. My goal is to ensure ADC sampling is correctly aligned at the center ...