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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Tube
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-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments TLC2551IDGK is a 12-bit, 400k SPS analog-to-digital converter with a single input channel and a successive approximation architecture. It features an SPI interface and is housed in a compact 8-pin TSSOP/MSOP package. Designed for industrial applications, it operates over -40°C to 85°C, making it suitable for high-speed, space-constrained data acquisition systems.

  • Ultra-Compact Package: The 8-TSSOP/MSOP footprint is ideal for miniaturized designs.
  • High-Speed Performance: 400k SPS sampling ensures timely capture of dynamic signals.
  • Industrial Durability: Rated for -40°C to 85°C, ensuring long-term reliability.
  • Simple SPI Connectivity: Reduces wiring and simplifies microcontroller integration.

Compact Industrial Sensors

The TLC2551IDGK's small MSOP package and industrial temperature rating make it perfect for embedding in compact industrial sensors, such as temperature transmitters or pressure probes.

High-Speed Control Loops

With 400k SPS sampling, this ADC can support fast PID control loops in motor drives or power converters, ensuring responsive and accurate regulation.

Medical Device Interfaces

In portable medical devices like glucose meters or pulse oximeters, the high speed and small size allow for efficient digitization of analog biosignals.

Data Logging Systems

The SPI interface simplifies connection to SD cards or wireless modules, making it suitable for battery-powered data loggers that record environmental or structural data.

Test and Measurement

For benchtop equipment, the TLC2551IDGK provides a reliable, high-speed conversion stage for measuring voltage, current, or resistance with 12-bit precision.

Q: What is the TLC2551IDGK?
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 provides 12-bit resolution, offering 4096 output codes.
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 temperature range?
A: It operates from -40°C to 85°C (industrial).
Base Product Number : TLC2551
1-channel 12-bit 400k SPS ADC Analog-to-Digital Converter MSOP SPI Texas Instruments TLC2551 TSSOP
Q: What is the TLC2551IDGK?
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 provides 12-bit resolution, offering 4096 output codes.
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 temperature range?
A: It operates from -40°C to 85°C (industrial).