Overview
The DAC8551IADGKR is a compact, low-power, 16-bit digital-to-analog converter (DAC) manufactured by Texas Instruments. Designed for precision applications, this voltage-output DAC offers excellent linearity and minimizes undesirable code-to-code transient voltages. It is well-suited for portable, battery-powered devices due to its low power consumption, which drops to as low as 200 nA in power-down mode. The device operates with a universal 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interfaces, making it versatile for various digital systems. Its market positioning targets applications requiring high accuracy and low power consumption, such as industrial automation, consumer electronics, and medical devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 16 | bit | |
| Sampling Rate | 200 | kS/s | |
| Channels | 1 | Channel | |
| Settling Time | 10 | µs | |
| Output Type | Voltage Buffered | ||
| Interface Type | 3-Wire, DSP, Microwire, QSPI, SPI | ||
| Analog Supply Voltage | 2.7 to 5.5 | V | |
| Digital Supply Voltage | 2.7 to 5.5 | V | |
| Operating Temperature | -40 to +105 | °C | |
| Package | VSSOP-8 | ||
| Power Consumption | 1 | mW | Normal operation |
| DNL (Differential Nonlinearity) | ±2 | LSB | |
| INL (Integral Nonlinearity) | ±8 | LSB | |
| Gain Error | 0.2 | % FSR |
Key Features
- 16-bit resolution for high precision output.
- Low power consumption, ideal for battery-powered devices.
- Universal 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP.
- Power-down mode reduces current consumption to 200 nA.
- Monotonic performance ensures excellent linearity.
- External reference voltage for flexible output range configuration.
Applications
The DAC8551IADGKR is widely used in applications requiring precise analog voltage generation. Its low power consumption and high accuracy make it suitable for portable devices, such as handheld medical instruments and consumer electronics. In industrial settings, it is employed in process control systems and automation equipment. Additionally, it is used in test and measurement instruments, where high precision and reliability are critical.
Q & A
1. What is the resolution of the DAC8551IADGKR?
The DAC8551IADGKR has a resolution of 16 bits.
2. What is the operating voltage range of the DAC8551IADGKR?
The operating voltage range is 2.7 V to 5.5 V.
3. Is the DAC8551IADGKR suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
4. What is the settling time of the DAC8551IADGKR?
The settling time is 10 µs.
5. What interfaces are supported by the DAC8551IADGKR?
It supports 3-Wire, DSP, Microwire, QSPI, and SPI interfaces.
6. What is the power consumption in power-down mode?
In power-down mode, the current consumption drops to 200 nA.
7. What is the temperature range for operation?
The operating temperature range is -40°C to +105°C.
8. What is the package type of the DAC8551IADGKR?
It comes in a VSSOP-8 package.
9. Does the DAC8551IADGKR require an external reference voltage?
Yes, an external reference voltage is required to set the output range.
10. What is the typical application of the DAC8551IADGKR?
It is commonly used in industrial automation, consumer electronics, and medical devices.
