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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tape & Reel (TR) |
Number of Bits 8
Sampling Rate (Per Second) 20k
Number of Inputs 2, 3, 4
Input Type Differential, Pseudo-Differential, Single Ended
Data Interface SPI
Configuration MUX-ADC
Ratio - S/H:ADC -
Number of A/D Converters 1
Architecture SAR
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features -
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The TLC0834CDR is an 8-bit, 20k SPS analog-to-digital converter from Texas Instruments, featuring a multiplexed input for 2, 3, or 4 channels. It utilizes a successive approximation architecture with an external reference for accurate conversions. The device communicates via a standard SPI interface, making it easy to integrate with microcontrollers. Its compact 14-SOIC package and wide operating temperature range (0°C to 70°C) make it suitable for industrial control, data acquisition, and sensor interface applications.

  • Flexible Channel Configuration: Supports 2, 3, or 4 input channels via an internal multiplexer, allowing multiple analog signals to be digitized with a single ADC.
  • Simple SPI Interface: The standard SPI protocol ensures easy integration with most microcontrollers and digital signal processors, simplifying firmware development.
  • Compact SOIC Package: The 14-SOIC package is space-efficient, ideal for space-constrained PCB designs in industrial and consumer applications.
  • Cost-Effective 8-Bit Resolution: Provides sufficient accuracy for many control and monitoring applications while keeping system cost low.

Sensor Signal Digitization

The TLC0834CDR's 8-bit resolution and 20k SPS sampling rate are ideal for digitizing slow-varying analog signals from temperature, pressure, or light sensors in industrial control loops.

Data Acquisition Systems

With its multiplexed 2/3/4-channel input, this ADC can sequentially sample multiple analog signals in a compact data acquisition system, reducing component count and board space.

Battery-Powered Instrumentation

The low-power operation of the TLC0834CDR, combined with its SPI interface, makes it suitable for portable, battery-powered measurement instruments where power efficiency is critical.

Industrial Automation

In industrial automation, the TLC0834CDR can convert analog signals from proximity sensors or potentiometers into digital values for PLCs, enabling precise position and level monitoring.

Consumer Electronics Calibration

This ADC can be used in consumer electronics for calibration circuits, converting trim-pot positions or analog user inputs into digital values for system configuration.

Educational Prototyping

Its simple SPI interface and 8-bit resolution make the TLC0834CDR an excellent choice for educational projects and rapid prototyping of analog-to-digital conversion concepts.

Q: What type of ADC is the TLC0834CDR?
A: The TLC0834CDR is a successive approximation (MUX-ADC) analog-to-digital converter with an external reference.
Q: What is the resolution of the TLC0834CDR?
A: It provides 8-bit resolution, offering 256 discrete output levels.
Q: What is the maximum sampling rate?
A: The TLC0834CDR supports a sampling rate of 20k SPS (samples per second).
Q: How many input channels does it have?
A: It features a multiplexed input supporting 2, 3, or 4 channels, configurable via the SPI interface.
Q: What interface does the TLC0834CDR use?
A: It uses a standard SPI serial interface for communication with microcontrollers.
Q: What is the package type?
A: The device is available in a 14-SOIC (0.154", 3.90mm Width) package.
Base Product Number : TLC0834
14-SOIC 20k SPS 8-bit ADC Analog-to-Digital Converter MUX-ADC SPI Texas Instruments TLC0834
Q: What type of ADC is the TLC0834CDR?
A: The TLC0834CDR is a successive approximation (MUX-ADC) analog-to-digital converter with an external reference.
Q: What is the resolution of the TLC0834CDR?
A: It provides 8-bit resolution, offering 256 discrete output levels.
Q: What is the maximum sampling rate?
A: The TLC0834CDR supports a sampling rate of 20k SPS (samples per second).
Q: How many input channels does it have?
A: It features a multiplexed input supporting 2, 3, or 4 channels, configurable via the SPI interface.
Q: What interface does the TLC0834CDR use?
A: It uses a standard SPI serial interface for communication with microcontrollers.
Q: What is the package type?
A: The device is available in a 14-SOIC (0.154", 3.90mm Width) package.