Overview
The DAC80504RTET is a true 16-bit, 4-channel, SPI, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DACx0504 family, which includes 16-, 14-, and 12-bit resolution DACs. The DAC80504RTET features a precision internal reference, high linearity, and low power consumption, making it suitable for a variety of applications, including those requiring high accuracy and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution (Bits) | 16 |
| Number of DAC Channels | 4 |
| Interface Type | SPI |
| Output Type | Buffered Voltage |
| Output Voltage Range (V) | 0 to 5.5 |
| Integral Nonlinearity (INL) | ±1 LSB Maximum |
| Total Unadjusted Error (TUE) | ±0.1% of FSR Maximum |
| Internal Reference Voltage | 2.5 V |
| Initial Accuracy | ±5 mV Maximum |
| Temperature Drift | 2 ppm/°C Typical |
| Output Drive Capability | 20 mA With 0.5 V From Supply Rails |
| Gain Configuration | User Selectable: 2, 1, or ½ |
| Power Supply Range | 2.7 V to 5.5 V |
| Operating Temperature Range | –40°C to +125°C |
| Serial Interface Clock Rate | Up to 50 MHz |
| Package Type | WQFN (RTE), 16-Pin |
| Package Size | 3-mm × 3-mm |
Key Features
- Precision internal 2.5 V reference with low drift (2 ppm/°C typical)
- User-selectable gain configuration: 2, 1, or ½
- High drive capability: 20 mA with 0.5 V from supply rails
- Flexible output configuration: reset to zero scale or midscale
- Low power consumption: 0.7 mA/channel at 5.5 V
- Per-channel power-down feature reducing current to 15 µA
- 50-MHz, SPI-compatible serial interface with CRC error check
- Daisy-chain operation and 4-wire mode
- Small package: 3-mm × 3-mm, 16-Pin WQFN
Applications
The DAC80504RTET is suitable for various applications requiring high accuracy and low power consumption, such as:
- Battery-operated equipment
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Lithium-ion battery testing solutions
Q & A
- What is the resolution of the DAC80504RTET?
The DAC80504RTET has a true 16-bit resolution. - How many DAC channels does the DAC80504RTET have?
The DAC80504RTET has 4 DAC channels. - What type of interface does the DAC80504RTET use?
The DAC80504RTET uses an SPI (Serial Peripheral Interface) type interface. - What is the output voltage range of the DAC80504RTET?
The output voltage range of the DAC80504RTET is 0 to 5.5 V. - What is the internal reference voltage of the DAC80504RTET?
The internal reference voltage is 2.5 V. - What is the temperature drift of the internal reference?
The temperature drift is 2 ppm/°C typical. - What are the user-selectable gain configurations?
The user-selectable gain configurations are 2, 1, or ½. - What is the power supply range for the DAC80504RTET?
The power supply range is 2.7 V to 5.5 V. - What is the operating temperature range of the DAC80504RTET?
The operating temperature range is –40°C to +125°C. - What is the maximum clock rate for the serial interface?
The maximum clock rate for the serial interface is up to 50 MHz.
