Overview
The DAC53204RTER from Texas Instruments is a 10-bit, 4-channel voltage and current output smart digital-to-analog converter (DAC). It is part of the DACx3204 family, which includes the 12-bit DAC63204 and the 8-bit DAC43204. These devices are known for their flexibility, high precision, and compact design. The DAC53204RTER features programmable voltage or current outputs, high-impedance output when VDD is off, and various power-down modes. It also includes a 50-MHz SPI-compatible interface and automatically detects I2C, PMBus, or SPI interfaces. The device is suitable for a wide range of applications due to its wide operating temperature range and low power consumption.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 10 bits |
| Output Type | Voltage and current outputs | Programmable |
| Voltage Output Gains | Gains available | 1x, 1.5x, 2x, 3x, 4x |
| Current Output Range | Current output options | ±25 µA, ±50 µA, ±125 µA, ±250 µA |
| Power Supply | Operating voltage range | 1.8 V to 5.5 V |
| Temperature Range | Operating temperature range | –40°C to +125°C |
| Interface | Communication interfaces | Automatically detected I2C, PMBus, or SPI |
| Package | Package type and size | 16-pin WQFN (3 mm × 3 mm) |
Key Features
- Programmable Outputs: Flexible configuration for voltage or current outputs with various gains and current ranges.
- High-Impedance Output: High-impedance output when VDD is off and high-impedance and resistive pulldown power-down modes.
- Communication Interfaces: 50-MHz SPI-compatible interface with automatic detection of I2C, PMBus, or SPI interfaces.
- Waveform Generation: Predefined waveform generation including sine wave, triangular, and sawtooth waveforms.
- Nonvolatile Memory (NVM): User-programmable NVM for storing configuration and waveform data.
- General-Purpose Input/Output (GPIO): Configurable GPIO for multiple functions such as LDAC, PD, PROTECT, RESET, SDO, and STATUS.
- Internal, External, or Power-Supply Reference: Option to use internal, external, or power-supply as reference.
Applications
- Rack Server: Used for voltage margining and scaling in server applications.
- Optical Module: Employed in optical modules for precise voltage and current control.
- Inter-DC Interconnect (Metro): Utilized in data center interconnects for high precision and reliability.
- High Performance Computing: Suitable for HPC applications requiring precise voltage and current outputs.
- Standard Notebook PC: Used in notebook PCs for dc set-point biasing and calibration.
Q & A
- What is the resolution of the DAC53204RTER?
The DAC53204RTER has a resolution of 10 bits.
- What are the available gains for voltage outputs?
The available gains for voltage outputs are 1x, 1.5x, 2x, 3x, and 4x.
- What are the current output range options?
The current output range options are ±25 µA, ±50 µA, ±125 µA, and ±250 µA.
- What is the operating temperature range of the DAC53204RTER?
The operating temperature range is –40°C to +125°C.
- What communication interfaces does the DAC53204RTER support?
The device supports automatically detected I2C, PMBus, or SPI interfaces.
- What types of waveforms can the DAC53204RTER generate?
The device can generate predefined waveforms including sine wave, triangular, and sawtooth waveforms.
- Does the DAC53204RTER have nonvolatile memory?
Yes, the device has user-programmable nonvolatile memory (NVM).
- What is the package type and size of the DAC53204RTER?
The package type is a 16-pin WQFN with dimensions of 3 mm × 3 mm.
- What are some common applications of the DAC53204RTER?
Common applications include rack servers, optical modules, inter-DC interconnects, high performance computing, and standard notebook PCs.
- Can the DAC53204RTER be used in processor-less applications?
Yes, the multifunction GPIO, waveform generation, and NVM enable the device for processor-less applications and design reuse.
