Overview
The TLC5620CDRG4 is a quadruple 8-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the TLC5620 series, which includes the TLC5620C and TLC5620I models, each characterized for different operating temperature ranges. The TLC5620CDRG4 operates from 0°C to 70°C and is packaged in a 14-terminal small-outline (D) package, making it suitable for space-critical applications. The DACs are simple to use, running from a single 5-V supply, and feature a power-on reset function to ensure repeatable start-up conditions. The device is controlled via a three-wire serial bus that is CMOS compatible and easily interfaced with popular microprocessors and microcontrollers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of DACs | 4 | |
| Resolution | 8-bit | |
| Supply Voltage (VDD) | 5 V ± 5% | V |
| Operating Temperature Range | 0°C to 70°C (TLC5620C) | °C |
| Reference Input Voltage Range | GND – 0.3 V to VDD + 0.3 V | V |
| Output Range | 1 or 2 times the reference voltage | V |
| Output Sink Current | 20 µA | µA |
| Output Source Current | 2 mA | mA |
| Input Capacitance | 15 pF | pF |
| Supply Current (IDD) | 2 mA | mA |
| CLK Frequency | 1 MHz | MHz |
Key Features
- Four 8-bit voltage output DACs with high-impedance reference inputs
- Single 5-V supply operation
- Three-wire serial interface (CMOS compatible)
- Programmable 1 or 2 times output range
- Simultaneous update facility via LDAC control
- Internal power-on reset
- Low-power consumption
- Half-buffered output
- Digital inputs with Schmitt triggers for high noise immunity
Applications
- Programmable voltage sources
- Digitally controlled amplifiers/attenuators
- Mobile communications
- Automatic test equipment
- Process monitoring and control
- Signal synthesis
Q & A
- What is the resolution of the TLC5620CDRG4 DACs?
The TLC5620CDRG4 has 8-bit resolution for each of its four DACs. - What is the operating supply voltage for the TLC5620CDRG4?
The operating supply voltage is 5 V ± 5%. - What is the operating temperature range for the TLC5620C model?
The operating temperature range for the TLC5620C model is 0°C to 70°C. - How are the DACs controlled in the TLC5620CDRG4?
The DACs are controlled via a three-wire serial bus that is CMOS compatible. - What is the output range of the DACs?
The output range can be programmed to either 1 or 2 times the reference voltage. - Does the TLC5620CDRG4 require external trimming?
No, the TLC5620CDRG4 does not require external trimming. - What is the maximum CLK frequency for the TLC5620CDRG4?
The maximum CLK frequency is 1 MHz. - What type of package is the TLC5620CDRG4 available in?
The TLC5620CDRG4 is available in a 14-terminal small-outline (D) package. - What are some common applications of the TLC5620CDRG4?
Common applications include programmable voltage sources, digitally controlled amplifiers/attenuators, mobile communications, automatic test equipment, process monitoring and control, and signal synthesis. - Is the TLC5620CDRG4 suitable for high-noise environments?
Yes, the digital inputs feature Schmitt triggers for high noise immunity.
