Overview
The DAC3482IZAYR is a dual-channel, 16-bit digital-to-analog converter (DAC) produced by Texas Instruments. It boasts a high sample rate of up to 1.25 GSPS, making it suitable for high-performance applications. The device is characterized by its very low power consumption of 900mW at full operating conditions and its ability to operate over the industrial temperature range of –40°C to 85°C. It is available in a 196-ball NFBGA (ZAY) package and a smaller 88-pin WQFN-MR package, offering flexibility in design.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sample Rate | Up to 1.25 GSPS |
| Interpolation Filter | Selectable 2x, 4x, 8x, 16x |
| Stop-band Attenuation | > 90dBc |
| Power Consumption | 900mW at 1.25GSPS |
| Operating Temperature Range | –40°C to 85°C |
| Package Options | 196-ball NFBGA (ZAY), 88-pin WQFN-MR |
| Input Data Bus | Flexible LVDS, word- or byte-wide interface |
| Output Current | Differential scalable output: 10mA to 30mA |
Key Features
- Very low power consumption: 900mW at 1.25GSPS
- Multi-DAC synchronization
- Selectable 2x, 4x, 8x, 16x interpolation filter with > 90dBc stop-band attenuation
- Flexible on-chip complex mixing with a fine mixer and 32-bit NCO
- Power saving coarse mixer: ± n×Fs/8
- High performance, low jitter clock multiplying PLL
- Digital I and Q correction for gain, phase, offset, and group delay
- Digital inverse sinc filter
- Flexible LVDS input data bus with on-chip termination, word- or byte-wide interface
- 8 Sample input FIFO, data pattern checker, and parity test
- Temperature sensor
- Differential scalable output: 10mA to 30mA
Applications
The DAC3482IZAYR is particularly suited for high-performance communication systems due to its low power consumption, high dynamic range, and advanced features. It is ideal for applications such as direct up-conversion, complex transmit architectures, and any scenario requiring high-speed, high-precision digital-to-analog conversion.
Q & A
- What is the maximum sample rate of the DAC3482IZAYR?
Up to 1.25 GSPS.
- What are the package options for the DAC3482IZAYR?
196-ball NFBGA (ZAY) and 88-pin WQFN-MR.
- What is the power consumption of the DAC3482IZAYR at full operating conditions?
900mW at 1.25GSPS.
- Does the DAC3482IZAYR support multi-DAC synchronization?
- What type of input data bus does the DAC3482IZAYR use?
Flexible LVDS input data bus with on-chip termination, supporting word- or byte-wide interface.
- What is the stop-band attenuation of the interpolation filter?
> 90dBc.
- Does the DAC3482IZAYR have built-in temperature sensing?
- What is the range of the differential scalable output current?
10mA to 30mA.
- Is the DAC3482IZAYR suitable for industrial temperature ranges?
- What advanced mixing features does the DAC3482IZAYR offer?
Flexible on-chip complex mixing with a fine mixer and 32-bit NCO, and a power saving coarse mixer: ± n×Fs/8.
