Overview
The TLC5628IDWR is an octal 8-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device features eight 8-bit voltage output DACs with buffered reference inputs, making it suitable for a variety of applications requiring precise analog voltage control. The TLC5628IDWR operates on a single 5V supply and includes a serial interface compatible with CMOS logic, allowing easy integration with microprocessors and microcontrollers. It also includes a power-on reset function to ensure repeatable start-up conditions and features low-power consumption and high-noise immunity due to Schmitt triggers on the digital inputs.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of Bits | Resolution of each DAC | 8 bits |
| Number of D/A Converters | Total number of DACs in the device | 8 |
| Settling Time | Typical time for the output to settle | 10 µs |
| Output Type | Type of output provided by the DACs | Voltage - Buffered |
| Data Interface | Type of interface for data communication | SPI (Serial Peripheral Interface) |
| Reference Type | Type of reference input | External |
| Voltage - Supply, Analog/Digital | Supply voltage for analog and digital sections | 5 V |
| INL/DNL (LSB) | Integral and Differential Non-Linearity | ±1 LSB (Max), ±0.9 LSB (Max) |
| Architecture | Internal architecture of the DACs | Resistor-String DAC |
| Operating Temperature | Temperature range for operation | -40°C to 85°C |
| Package / Case | Physical package type | 16-SOIC (0.295", 7.50mm Width) |
Key Features
- Octal 8-Bit DACs: Eight independent 8-bit voltage output DACs.
- Buffered Reference Inputs: High-impedance reference inputs to minimize load on reference sources.
- Programmable Output Range: Output 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.
- Low-Power Consumption: Low power requirements for efficient operation.
- High-Noise Immunity: Digital inputs feature Schmitt triggers for high-noise immunity.
- Compact Package: Available in a 16-terminal small-outline (D) package, suitable for space-critical applications.
Applications
- Programmable Voltage Sources: Can be used to generate precise voltage levels.
- Digitally Controlled Amplifiers/Attenuators: Suitable for applications requiring digital control over analog signals.
- Mobile Communications: Used in various mobile communication systems for signal processing.
- Automatic Test Equipment: Employed in test equipment for precise analog signal generation.
- Process Monitoring and Control: Used in industrial control systems to monitor and control processes.
- Signal Synthesis: Can be used in signal synthesis applications requiring multiple analog outputs.
Q & A
- What is the resolution of each DAC in the TLC5628IDWR?
Each DAC in the TLC5628IDWR has an 8-bit resolution.
- What is the typical settling time for the DAC outputs?
The typical settling time for the DAC outputs is 10 µs.
- What type of interface does the TLC5628IDWR use for data communication?
The TLC5628IDWR uses a Serial Peripheral Interface (SPI) for data communication.
- Can the output range of the DACs be programmed?
- What is the operating temperature range for the TLC5628IDWR?
The operating temperature range for the TLC5628IDWR is -40°C to 85°C.
- What type of package is the TLC5628IDWR available in?
The TLC5628IDWR is available in a 16-SOIC (0.295", 7.50mm Width) package.
- Does the TLC5628IDWR have internal power-on reset functionality?
- How many DACs are included in the TLC5628IDWR?
The TLC5628IDWR includes eight independent DACs.
- What is the supply voltage for the TLC5628IDWR?
The supply voltage for both the analog and digital sections is 5 V.
- What are some common applications of the TLC5628IDWR?
The TLC5628IDWR is commonly used in programmable voltage sources, digitally controlled amplifiers/attenuators, mobile communications, automatic test equipment, process monitoring and control, and signal synthesis.
