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.
3,277 questions
0 votes
0 answers
72 views
VCO-based ADC for audio bandwidth
I am designing a VCO-based ADC (the circuit is shown below) for sampling the audio signal. The design I refered to this post: Low frequency in this VCO design. But I instead of use it as a VCO only, I ...
- 11
0 votes
1 answer
77 views
What do these multiple back-to-back lines mean in this ADS8528 timing diagram?
Referring to this ADC ADS8528 datasheet, I came across this section where these output waveforms are given and I don't know what these multiple back-to-back lines mean for CONVST_A and CONVST_B. Any ...
- 11
0 votes
0 answers
29 views
Can I use simple resistor dividers and ADC inputs for back-EMF sensing in a drone ESC?
I'm designing my own ESC for a simple quadcopter drone. The ESC is powered directly from a 4S LiPo battery, and I'm now working on the back-EMF voltage sensing needed for sensorless commutation. The ...
- 489
0 votes
1 answer
89 views
What hardware protection mechanisms prevent ADC damage from incorrect connections?
I built a circuit based on the uCurrent Gold meter to measure current within -500uA/500uA range, and I was wondering how can I add a protection to the ADC against: Overvoltage, Negative Voltage, and ...
- 416
0 votes
0 answers
39 views
NUA7802 ADC with load cell with 12VDC excitation voltage
I am designing an interface to read a VPG Force Sensor p/n 60001-500L-A1-00 with a BeagleBone Black Rev C using I2C interface to a Nuvoton NUA7802 ADC. I am having real trouble figuring out some of ...
- 89
0 votes
0 answers
59 views
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, ...
- 79
2 votes
3 answers
304 views
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 ...
- 4,047
0 votes
1 answer
44 views
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, ...
- 73
0 votes
0 answers
41 views
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 ...
- 4,047
2 votes
1 answer
88 views
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 ...
- 101
0 votes
1 answer
58 views
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 ...
- 221
4 votes
1 answer
200 views
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 ...
0 votes
0 answers
46 views
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 ...
- 91
-1 votes
1 answer
101 views
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 ...
- 4,047
4 votes
1 answer
175 views
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 ...
- 435