Overview
The DAC5682ZIRGCT is a high-performance, dual-channel 16-bit Digital-to-Analog Converter (DAC) produced by Texas Instruments. This component is designed for high-speed applications, offering a 1.0 GSPS update rate and integrated 2x/4x interpolation filters. It features a wideband LVDS data input, onboard clock multiplier, and an internal 1.2-V voltage reference. The DAC5682Z is characterized by its superior linearity, noise, crosstalk, and PLL phase noise performance, making it suitable for demanding wireless communication systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-bit |
| Update Rate | 1.0 GSPS |
| Data Input | 16-Bit Wideband LVDS Data Bus |
| Interpolation Filters | 2x or 4x FIR filters, configurable in low-pass or high-pass mode |
| Clock Multiplier | 2x-32x PLL/VCO |
| Output Current | Differential Scalable Output: 2 to 20 mA |
| Package | 64-Pin 9-mm × 9-mm QFN (RGC) |
| Operating Temperature Range | -40°C to 85°C |
| ACLR Performance | 73-dBc ACLR WCDMA TM1 at 180 MHz |
Key Features
- 16-Bit Digital-to-Analog Converter (DAC)
- 1.0 GSPS Update Rate
- 16-Bit Wideband Input LVDS Data Bus
- 8 Sample Input FIFO
- Interleaved I/Q Data for Dual-DAC Mode
- High Performance with superior linearity, noise, crosstalk, and PLL phase noise
- 2x-32x Clock Multiplying PLL/VCO
- 2x or 4x Interpolation Filters configurable in either low-pass or high-pass mode
- Stopband Transition 0.4 to 0.6 Fdata
- Optional Fs/4 Coarse Mixer in complex mode
- On-Chip 1.2-V Reference
- Differential Scalable Output: 2 to 20 mA
Applications
- Cellular Base Stations
- Broadband Wireless Access (BWA)
- WiMAX 802.16
- Fixed Wireless Backhaul
- Cable Modem Termination System (CMTS)
Q & A
- What is the resolution and update rate of the DAC5682Z?
The DAC5682Z has a 16-bit resolution and an update rate of 1.0 GSPS.
- What type of data input does the DAC5682Z support?
The DAC5682Z supports a 16-Bit Wideband LVDS Data Bus.
- What are the interpolation filter options for the DAC5682Z?
The DAC5682Z has 2x or 4x FIR filters, which are configurable in either low-pass or high-pass mode.
- What is the operating temperature range of the DAC5682Z?
The operating temperature range is -40°C to 85°C.
- What are some of the key applications for the DAC5682Z?
Key applications include Cellular Base Stations, Broadband Wireless Access (BWA), WiMAX 802.16, Fixed Wireless Backhaul, and Cable Modem Termination System (CMTS).
- What is the package type and pin count of the DAC5682Z?
The DAC5682Z is packaged in a 64-Pin 9-mm × 9-mm QFN (RGC).
- Does the DAC5682Z have an internal voltage reference?
Yes, the DAC5682Z has an on-chip 1.2-V voltage reference.
- What is the output current range of the DAC5682Z?
The output current is differential and scalable from 2 to 20 mA.
- What is the ACLR performance of the DAC5682Z at 180 MHz?
The ACLR performance is 73-dBc WCDMA TM1 at 180 MHz.
- Does the DAC5682Z support complex or real output modes?
Yes, the DAC5682Z supports both complex and real output modes.
