Embedded Files
TLC5620 14-dip
TLC5620 pinout
TLC5620 function
Description
The TLC5620 is a versatile and reliable quadruple 8-bit digital-to-analog converter (DAC) that is a favorite among hobbyists and makers for its simplicity and performance. If you are looking to bridge the gap between your digital microcontroller (like an Arduino, ESP32, or PIC) and the analog world, this IC is the perfect solution. It packs four independent DAC channels into a single, easy-to-solder through-hole package, allowing you to control multiple analog signals simultaneously. Whether you're building a custom power supply, an automated test rig, or a complex signal generator, the TLC5620's high-impedance inputs and simple 3-wire serial interface make it incredibly easy to integrate. Its "Simultaneous Update" feature ensures all four outputs change at exactly the same time, giving you professional-grade timing for your DIY electronics projects.
FEATURES
Four Independent Channels: Control four separate analog outputs from a single chip.
8-Bit Resolution: Provides 256 discrete voltage levels for fine-tuned control.
Single 5V Supply: Runs on standard logic voltage, eliminating the need for complex power rails.
Simple Serial Interface: Easy 3-wire communication compatible with almost any microcontroller.
Programmable Output Range: Choose between 1x or 2x reference voltage output with a simple software command.
Simultaneous Update: Buffer your data and trigger all outputs to update at once for precise timing.
High-Impedance Reference Inputs: Minimizes loading on your reference voltage source.
Internal Power-On Reset: Ensures the outputs start at a safe 0V state every time you power up.
Applications
Programmable Power Supplies: Create digitally adjustable voltage sources.
Signal Synthesis: Generate custom waveforms or low-frequency signals.
Audio Projects: Digitally controlled volume attenuators or simple sound effects.
Sensor Calibration: Use as a precise offset or reference voltage for analog sensors.
Automated Testing: Build your own automated test equipment (ATE) to verify other circuits.
Motor Control: Provide analog speed or torque references to motor drivers.
Parameters
Resolution: 8 Bits
Number of Channels: 4
Supply Voltage (Min/Max): 4.75V to 5.25V
Settling Time: 10 µs (typical)
Interface Type: Serial (CMOS Compatible)
Package Type: 14-Pin PDIP (Plastic Dual In-line Package)
Output Type: Voltage Output (Buffered)
Operating Temperature Range: 0°C to 70°C (C-Suffix)
Power Consumption: Low power (approx. 8 mW)
Educational Links
Arduino driver program to interface Arduino with TLC5620, https://github.com/twhhome/TLC5620
Manufacturer datasheet, https://www.ti.com/lit/ds/symlink/tlc5620.pdf?HQS=TI-null-null-alldatasheets-df-pf-SEP-wwe
FPGA implementation of TLC5620, https://github.com/imere/TLC5620_DA
Google Sites
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