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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Tape & Reel (TR)
Number of Bits 12
Sampling Rate (Per Second) 400k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments TLC2551IDR is a 12-bit, 400k SPS analog-to-digital converter featuring a single input channel and a successive approximation architecture. It communicates via SPI and is available in an 8-pin SOIC package. This ADC is designed for industrial applications, operating over a temperature range of -40°C to 85°C, and is suitable for high-speed, single-channel data acquisition systems.

  • High-Speed Conversion: 400k SPS sampling rate enables real-time digitization of fast analog signals.
  • Industrial Temperature Range: Reliable operation from -40°C to 85°C for demanding environments.
  • Standard SOIC Package: Easy to solder and widely compatible with PCB designs.
  • SPI Interface: Simple digital interface reduces pin count and simplifies firmware development.

High-Speed Single-Channel DAQ

The TLC2551IDR's 400k SPS sampling rate makes it ideal for data acquisition systems that need to capture fast transient signals, such as in power monitoring or waveform analysis.

Industrial Process Monitoring

With its industrial temperature range, this ADC can reliably digitize signals from pressure or level sensors in manufacturing plants, feeding data to a central controller via SPI.

Portable Test Instruments

The SOIC-8 package is slightly larger than MSOP but still compact, making it suitable for handheld multimeters or portable oscilloscopes that require high-speed conversion.

Automotive Sensor Conditioning

In automotive test systems, the TLC2551IDR can convert signals from temperature or position sensors, providing accurate digital data for engine control units (ECUs).

Embedded Control Systems

For microcontroller-based projects, this ADC offers a simple SPI interface to add high-resolution analog input capability, enabling precise control loops.

Q: What is the TLC2551IDR?
A: It is a 12-bit, 400k SPS analog-to-digital converter with a single channel and S/H-ADC architecture.
Q: What is the resolution?
A: It offers 12-bit resolution, providing 4096 discrete levels.
Q: What is the sampling rate?
A: The maximum sampling rate is 400k SPS.
Q: How many channels does it have?
A: It has 1 analog input channel.
Q: What interface does it use?
A: It uses the SPI (Serial Peripheral Interface).
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (industrial range).
Base Product Number : TLC2551
1-channel 12-bit 400k SPS ADC Analog-to-Digital Converter SOIC SPI Texas Instruments TLC2551
Q: What is the TLC2551IDR?
A: It is a 12-bit, 400k SPS analog-to-digital converter with a single channel and S/H-ADC architecture.
Q: What is the resolution?
A: It offers 12-bit resolution, providing 4096 discrete levels.
Q: What is the sampling rate?
A: The maximum sampling rate is 400k SPS.
Q: How many channels does it have?
A: It has 1 analog input channel.
Q: What interface does it use?
A: It uses the SPI (Serial Peripheral Interface).
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (industrial range).