Overview
The DAC7563TDGSR is a 12-bit, dual-channel, low-power digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DAC756x family, which includes 12-bit, 14-bit, and 16-bit versions. The DAC7563T is designed for applications requiring high accuracy, low power consumption, and a compact footprint. It features a 2.5-V internal reference with a temperature drift of 4 ppm/°C, ensuring stable output voltages over a wide temperature range. The device operates on a single supply voltage from 2.7 V to 5.5 V and is available in VSSOP-10 and WSON-10 packages.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Relative Accuracy | 0.3 LSB INL | |
| Glitch Impulse | 0.1 nV-s | |
| Internal Reference Voltage | 2.5 V | |
| Internal Reference Temperature Drift | 4 ppm/°C (Typ), 10 ppm/°C (Max) | |
| Power Supply Range | 2.7 V to 5.5 V | |
| Power Consumption | 4 mW (Typ, 5-V AVDD) | |
| Operating Temperature Range | –40°C to 125°C | |
| Package Types | VSSOP-10, WSON-10 | |
| Serial Interface Clock Rate | Up to 50 MHz |
Key Features
- Low-power operation: 4 mW at 5 V, including internal reference current.
- Ultra-low glitch impulse: 0.1 nV-s.
- Bidirectional reference pin: Can be used as an input or 2.5-V output.
- Power-on reset to mid-scale.
- Wide power-supply range: 2.7 V to 5.5 V.
- 50-MHz SPI interface with Schmitt-triggered inputs.
- LDAC and CLR functions for output control.
- Output buffer with rail-to-rail operation.
- Pin-to-pin compatible with DAC8562 family.
- 5-V TTL I/O enabled.
Applications
The DAC7563TDGSR is ideal for various applications requiring precise and stable analog output voltages, including:
- Portable, battery-operated equipment due to its low power consumption.
- Industrial process control systems where accuracy and stability are crucial.
- Digital gain and offset adjustment in measurement and control systems.
- Programmable voltage and current sources in test and measurement equipment.
- Automotive and aerospace applications where reliability and temperature stability are essential.
Q & A
- What is the resolution of the DAC7563TDGSR?
The DAC7563TDGSR has a resolution of 12 bits.
- What is the typical power consumption of the DAC7563TDGSR at 5 V?
The typical power consumption is 4 mW at 5 V, including the internal reference current.
- What is the temperature drift of the internal reference voltage?
The internal reference voltage has a temperature drift of 4 ppm/°C (typical) and 10 ppm/°C (maximum).
- What are the package options for the DAC7563TDGSR?
The DAC7563TDGSR is available in VSSOP-10 and WSON-10 packages.
- What is the maximum clock rate of the SPI interface?
The SPI interface can operate up to 50 MHz.
- Does the DAC7563TDGSR have a power-on reset feature?
- What is the glitch impulse of the DAC7563TDGSR?
The glitch impulse is 0.1 nV-s.
- Can the DAC7563TDGSR operate with a wide range of supply voltages?
- Is the DAC7563TDGSR compatible with other DAC families?
- What is the operating temperature range of the DAC7563TDGSR?
The operating temperature range is –40°C to 125°C.
