Overview
The DAC8562TDGSR is a dual, 16-bit, low-power, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DAC856xT family, which includes 16-, 14-, and 12-bit DACs. The DAC8562TDGSR features a 2.5-V, 4-ppm/°C internal reference, providing a full-scale output voltage range of 2.5 V or 5 V. It is designed for low power consumption and high accuracy, making it ideal for portable, battery-operated equipment.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 Bits | |
| Relative Accuracy | 4 LSB INL at 16 Bits | |
| Low Glitch Impulse | 0.1 nV-s | |
| Temperature Drift | 4 ppm/°C (Typ) | |
| Power Consumption | 4 mW at 5-V AVDD | |
| Power Supply Range | 2.7 V to 5.5 V | |
| SPI Clock Rate | Up to 50 MHz | |
| Output Buffer | Rail-to-Rail Operation | |
| Package Options | VSSOP-10, WSON-10 | |
| Temperature Range | –40°C to 125°C |
Key Features
- Monotonic operation ensuring excellent linearity and minimizing code-to-code transient voltages (glitch)
- Internal 2.5-V, 4-ppm/°C reference with an initial accuracy of ±5 mV
- Power-on-reset to zero scale or mid-scale
- Low power consumption with a power-down feature reducing current to typically 550 nA at 5 V
- 50-MHz SPI interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces
- LDAC and CLR functions for precise control
- Output buffer with rail-to-rail operation
- Pin-to-pin compatible with DAC8562 family
- 5-V TTL I/O enabled
Applications
- Portable, battery-operated equipment
- Digitally controlled calibration systems
- Servo controls and process control equipment
- PC peripherals and other digital-to-analog conversion needs
Q & A
- What is the resolution of the DAC8562TDGSR?
The DAC8562TDGSR has a resolution of 16 bits.
- What is the temperature drift of the internal reference?
The internal reference has a temperature drift of 4 ppm/°C (typical).
- What is the power consumption of the DAC8562TDGSR at 5 V?
The power consumption is 4 mW at 5-V AVDD.
- What are the package options for the DAC8562TDGSR?
The device is available in VSSOP-10 and WSON-10 packages.
- What is the operating temperature range of the DAC8562TDGSR?
The operating temperature range is –40°C to 125°C.
- Does the DAC8562TDGSR have a power-on-reset feature?
- What is the maximum clock rate of the SPI interface?
The SPI interface operates at clock rates up to 50 MHz.
- Is the DAC8562TDGSR compatible with other DAC8562 family devices?
- What is the output buffer operation of the DAC8562TDGSR?
The output buffer operates with rail-to-rail operation.
- Does the DAC8562TDGSR support 5-V TTL I/O?
