Overview
The TLC5628IDWRG4, produced by Texas Instruments, is an octal 8-bit digital-to-analog converter (DAC) designed for a wide range of applications requiring precise analog voltage output. This device operates on a single 5V supply and features a serial interface compatible with popular microprocessors and microcontrollers. The TLC5628IDWRG4 is available in a 16-terminal small-outline (SOIC) package, making it suitable for space-critical applications. It is characterized for operation from -40°C to 85°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -40 | - | 85 | °C |
| Supply Voltage (VDD) | 4.5 | 5 | 5.5 | V |
| Reference Input Voltage Range | GND - 0.3 | - | VDD + 0.3 | V |
| Output Voltage Range | 0 to 2 * Vref | - | - | V |
| Resolution | 8 bits | - | - | - |
| Output Slew Rate | - | 3.4 | - | V/μs |
| Supply Current (IDD) | - | 4 | - | mA |
| Output Sink Current (IO(sink)) | - | 20 | - | μA |
| Output Source Current (IO(source)) | - | 2 | - | mA |
Key Features
- Octal 8-Bit DACs: Eight independent 8-bit voltage output DACs.
- Serial Interface: CMOS-compatible three-wire serial interface for easy integration with microprocessors and microcontrollers.
- Programmable Output Range: Output voltage range can be programmed to either one or two times the reference voltage.
- Simultaneous Update Facility: All DAC outputs can be updated simultaneously using the LDAC pin.
- Internal Power-On Reset: Ensures repeatable start-up conditions by resetting DACs to code 0 on power-up.
- Low Power Consumption: Low supply current of 4 mA.
- High-Impedance Reference Inputs: Buffered reference inputs to minimize load on reference sources.
- Digital Input Noise Immunity: Schmitt triggers on digital inputs for high noise immunity.
Applications
- Programmable Voltage Sources: Used in applications requiring digitally controlled voltage sources.
- Digitally Controlled Amplifiers/Attenuators: Suitable for applications needing precise control over amplifier or attenuator gain.
- Mobile Communications: Used in mobile communication devices for signal processing and control.
- Automatic Test Equipment: Employed in test equipment for generating precise analog signals.
- Process Monitoring and Control: Used in industrial control systems for monitoring and controlling processes.
- Signal Synthesis: Utilized in signal synthesis applications requiring multiple analog outputs.
Q & A
- What is the operating temperature range of the TLC5628IDWRG4?
The operating temperature range is from -40°C to 85°C.
- What is the resolution of the TLC5628IDWRG4 DACs?
The resolution is 8 bits.
- How is the output voltage range of the TLC5628IDWRG4 programmed?
The output voltage range can be programmed to either one or two times the reference voltage using the range bit in the serial control word.
- What type of interface does the TLC5628IDWRG4 use for data transfer?
The device uses a CMOS-compatible three-wire serial interface.
- How are the DAC outputs updated in the TLC5628IDWRG4?
The DAC outputs can be updated simultaneously using the LDAC pin.
- What is the supply voltage range for the TLC5628IDWRG4?
The supply voltage range is from 4.5V to 5.5V.
- What is the typical supply current of the TLC5628IDWRG4?
The typical supply current is 4 mA.
- What type of package is the TLC5628IDWRG4 available in?
The device is available in a 16-terminal small-outline (SOIC) package.
- What are some common applications of the TLC5628IDWRG4?
Common applications include programmable voltage sources, digitally controlled amplifiers/attenuators, mobile communications, automatic test equipment, process monitoring and control, and signal synthesis.
- Does the TLC5628IDWRG4 require external trimming?
No, the TLC5628IDWRG4 does not require external trimming.
