Overview
The DAC8162SDSCR from Texas Instruments is a 14-bit, dual-channel, low-power, ultra-low glitch, buffered voltage output digital-to-analog converter (DAC). This device is part of the DAC816x family and is designed to provide high accuracy and linearity, making it suitable for a variety of applications requiring precise analog output.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Number of Channels | Dual |
| Internal Reference | 2.5 V, 4 ppm/°C |
| Relative Accuracy | 1 LSB INL |
| Glitch Impulse | 0.1 nV-s |
| Output Accuracy | ±5 mV initial accuracy |
| Temperature Drift | 4 ppm/°C (typ), 10 ppm/°C (max) |
| Output Current Capability | 20 mA sink and source |
| Power Consumption | 4 mW (typ, 5-V AVDD, including internal reference current) |
| Power Supply Range | 2.7 V to 5.5 V |
| Interface | 50 MHz SPI with Schmitt-triggered inputs |
| Package | WSON-10 (3 mm × 3 mm), VSSOP-10 |
| Temperature Range | –40°C to 125°C |
Key Features
- Ultra-low glitch and monotonic operation ensuring excellent linearity and minimizing code-to-code transient voltages.
- Bidirectional reference input or 2.5-V output with high accuracy and low temperature drift.
- Low power consumption with a typical power-on-reset to zero scale or mid-scale.
- Wide power-supply range and rail-to-rail output buffer operation.
- 50 MHz SPI interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces.
- LDAC and CLR functions for output control.
- Small footprint packages (WSON-10 and VSSOP-10) suitable for compact designs.
Applications
The DAC8162SDSCR is ideal for various applications requiring precise and stable analog output, such as:
- Portable and battery-operated equipment due to its low power consumption.
- Industrial control systems where high accuracy and linearity are crucial.
- Aerospace and defense applications requiring robust and reliable DACs.
- Medical devices that demand high precision and low noise.
- Automotive systems where temperature stability and low power are essential.
Q & A
- What is the resolution of the DAC8162SDSCR?
The DAC8162SDSCR has a resolution of 14 bits. - How many channels does the DAC8162SDSCR have?
The DAC8162SDSCR is a dual-channel DAC. - What is the internal reference voltage of the DAC8162SDSCR?
The internal reference voltage is 2.5 V with a temperature drift of 4 ppm/°C. - What is the typical power consumption of the DAC8162SDSCR?
The typical power consumption is 4 mW at 5-V AVDD, including internal reference current. - What is the interface speed of the DAC8162SDSCR?
The interface operates at clock rates up to 50 MHz. - What are the available packages for the DAC8162SDSCR?
The device is available in WSON-10 (3 mm × 3 mm) and VSSOP-10 packages. - What is the temperature range of the DAC8162SDSCR?
The operating temperature range is –40°C to 125°C. - Does the DAC8162SDSCR have a power-on-reset feature?
Yes, the device has a power-on-reset circuit that ensures the DAC output powers up and remains at zero scale until a valid code is written. - Is the DAC8162SDSCR compatible with standard SPI interfaces?
Yes, the device is compatible with standard SPI, QSPI, Microwire, and DSP interfaces. - What is the output current capability of the DAC8162SDSCR?
The output can sink and source up to 20 mA.
