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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Tube
Number of Bits 14
Sampling Rate (Per Second) 200k
Number of Inputs 2, 4
Input Type Pseudo-Differential, Single Ended
Data Interface SPI
Configuration MUX-S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The TLC3544IPW from Texas Instruments is a 14-bit, multichannel analog-to-digital converter designed for high-precision measurement applications. It features a sampling rate of 200k SPS and supports 2 or 4 multiplexed input channels, making it versatile for multi-sensor systems. The MUX-S/H-ADC architecture ensures accurate sampling, while the SPI interface simplifies digital communication with microcontrollers. It supports both external and internal references for flexible voltage scaling. Operating from -40°C to 85°C, this ADC is housed in a 20-TSSOP package, ideal for space-constrained industrial, medical, and automotive designs.

  • Exceptional Resolution: 14-bit output provides 16384 levels, enabling detection of minute signal changes in precision instruments.
  • Multiplexed Inputs: 2 or 4 channels allow one ADC to handle multiple sensors, reducing system cost and complexity.
  • Fast SPI Interface: Standard SPI protocol ensures easy integration with all major microcontrollers and SoCs.
  • Wide Operating Range: -40°C to 85°C temperature range supports harsh industrial and automotive environments.

High-Precision Industrial Sensors

The 14-bit resolution and 200k SPS sampling rate enable accurate digitization of strain gauge and load cell signals.

Medical Diagnostic Equipment

High resolution is critical for precise patient monitoring devices like pulse oximeters and blood pressure monitors.

Environmental Monitoring

Multichannel capability allows simultaneous logging of temperature, humidity, and gas sensors in weather stations.

Automotive Battery Management

14-bit accuracy helps monitor cell voltages and currents in electric vehicle battery management systems.

Portable Data Loggers

The SPI interface and low pin count make it ideal for battery-powered, multi-sensor data loggers.

Laboratory Instrumentation

High resolution and 4-channel multiplexing support precise measurements in spectrophotometers and pH meters.

Q: What is the TLC3544IPW?
A: The TLC3544IPW is a 14-bit, multichannel analog-to-digital converter with an SPI interface and MUX-S/H-ADC architecture.
Q: What is the resolution?
A: It offers 14-bit resolution, providing 16384 discrete levels for high-precision measurements.
Q: What is the sampling rate?
A: The maximum sampling rate is 200k SPS, suitable for high-accuracy data acquisition.
Q: How many channels does it support?
A: It supports 2 or 4 multiplexed input channels, configurable for various sensor setups.
Q: What interface does it use?
A: It uses a standard SPI serial interface for easy connection to microcontrollers.
Q: What is the package and temperature range?
A: It comes in a 20-TSSOP package and operates from -40°C to 85°C.
Base Product Number : TLC3544
14-bit 200k SPS 4-channel ADC Analog-to-Digital Converter Precision SPI TLC3544 TSSOP-20
Q: What is the TLC3544IPW?
A: The TLC3544IPW is a 14-bit, multichannel analog-to-digital converter with an SPI interface and MUX-S/H-ADC architecture.
Q: What is the resolution?
A: It offers 14-bit resolution, providing 16384 discrete levels for high-precision measurements.
Q: What is the sampling rate?
A: The maximum sampling rate is 200k SPS, suitable for high-accuracy data acquisition.
Q: How many channels does it support?
A: It supports 2 or 4 multiplexed input channels, configurable for various sensor setups.
Q: What interface does it use?
A: It uses a standard SPI serial interface for easy connection to microcontrollers.
Q: What is the package and temperature range?
A: It comes in a 20-TSSOP package and operates from -40°C to 85°C.