Overview
The TLC5620CDR, produced by Texas Instruments, is a quadruple 8-bit voltage output digital-to-analog converter (DAC) designed for a variety of applications requiring precise digital-to-analog conversion. This device operates on a single 5-V supply and features a simple three-wire serial interface compatible with CMOS logic, making it easy to interface with microprocessors and microcontrollers. The TLC5620CDR is characterized by its low power consumption, high-impedance reference inputs, and the ability to program the output range to either one or two times the reference voltage. It is available in a 14-pin SOIC (D) package, suitable for space-critical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of DACs | 4 |
| Resolution | 8-bit |
| Output Range | Programmable 1x or 2x reference voltage |
| Supply Voltage | 5 V ± 5% |
| Operating Temperature Range | TLC5620C: 0°C to 70°C, TLC5620I: -40°C to 85°C |
| Package Type | SOIC (D) 14-pin |
| Serial Interface | Three-wire CMOS compatible |
| Settling Time | 10 µs |
| Power-On Reset | Yes |
| Low Power Consumption | Yes, typically 2 mA at VDD = 5 V |
Key Features
- Four 8-bit voltage output DACs
- 5-V single-supply operation
- Serial interface with CMOS compatibility
- High-impedance reference inputs
- Programmable 1x or 2x output range
- Simultaneous update facility
- Internal power-on reset
- Low power consumption
- Half-buffered output
- Schmitt triggers for high noise immunity on digital inputs
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 TLC5620CDR DACs?
The TLC5620CDR has a resolution of 8 bits for each of its four DACs. - What is the operating supply voltage for the TLC5620CDR?
The operating supply voltage is 5 V ± 5%. - What is the typical settling time for the TLC5620CDR?
The typical settling time is 10 µs. - Does the TLC5620CDR have an internal power-on reset?
Yes, the TLC5620CDR has an internal power-on reset function. - What is the package type for the TLC5620CDR?
The package type is SOIC (D) with 14 pins. - What are the operating temperature ranges for the TLC5620C and TLC5620I?
The TLC5620C operates from 0°C to 70°C, and the TLC5620I operates from -40°C to 85°C. - Is the TLC5620CDR suitable for low power applications?
Yes, the TLC5620CDR is designed for low power consumption, typically 2 mA at VDD = 5 V. - Can the output range of the TLC5620CDR be programmed?
Yes, the output range can be programmed to either one or two times the reference voltage. - What type of serial interface does the TLC5620CDR use?
The TLC5620CDR uses a three-wire CMOS compatible serial interface. - Does the TLC5620CDR require external trimming?
No, the TLC5620CDR does not require external trimming.
