Overview
The DAC7563SDGSR is a 12-bit, dual-channel, low-power, ultra-low glitch, buffered voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This device features a 2.5V, 4ppm/°C internal reference, providing a full-scale output voltage range of 2.5V or 5V. It is designed for applications requiring high accuracy, low power consumption, and minimal output glitches.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Channels | Dual |
| Internal Reference | 2.5V, 4ppm/°C |
| Output Voltage Range | 2.5V or 5V |
| Relative Accuracy | 0.3 LSB INL |
| Glitch Impulse | 0.1 nV-s |
| Initial Accuracy | ±5 mV |
| Temperature Drift | 4 ppm/°C (typ), 10 ppm/°C (max) |
| Power Consumption | 4 mW (typ, 5V AVDD) |
| Power Supply Range | 2.7V to 5.5V |
| Interface | 50 MHz SPI with Schmitt-triggered inputs |
| Output Buffer | Rail-to-rail operation |
| Package | VSSOP-10 (DGS) |
| Temperature Range | –40°C to 125°C |
Key Features
- Monotonic operation ensuring excellent linearity and minimizing code-to-code transient voltages (glitch)
- Bidirectional reference input or 2.5V output
- Output disabled by default
- Power-on reset to zero scale or mid-scale
- Low power consumption with a power-down feature reducing current to 550 nA at 5V
- Wide power supply range from 2.7V to 5.5V
- 50 MHz SPI interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces
- LDAC and CLR functions
- Output buffer with rail-to-rail operation
Applications
The DAC7563SDGSR is ideal for portable, battery-operated equipment due to its low power consumption and small footprint. It is suitable for various applications including industrial control systems, medical devices, and automotive systems where high accuracy and low glitch outputs are critical.
Q & A
- What is the resolution of the DAC7563SDGSR?
The DAC7563SDGSR has a 12-bit resolution. - How many channels does the DAC7563SDGSR have?
The DAC7563SDGSR is a dual-channel DAC. - What is the internal reference voltage of the DAC7563SDGSR?
The internal reference voltage is 2.5V with a temperature drift of 4ppm/°C. - What is the output voltage range of the DAC7563SDGSR?
The output voltage range is 2.5V or 5V. - What is the relative accuracy of the DAC7563SDGSR?
The relative accuracy is 0.3 LSB INL. - How much power does the DAC7563SDGSR consume?
The typical power consumption is 4 mW at 5V AVDD. - What is the temperature range of the DAC7563SDGSR?
The operating temperature range is –40°C to 125°C. - What type of interface does the DAC7563SDGSR use?
The DAC7563SDGSR uses a 50 MHz SPI interface with Schmitt-triggered inputs. - What is the package type of the DAC7563SDGSR?
The DAC7563SDGSR is available in a VSSOP-10 (DGS) package. - Is the DAC7563SDGSR suitable for battery-operated devices?
Yes, it is suitable due to its low power consumption and small footprint.
