Overview
The DAC5682ZIRGC25, produced by Texas Instruments, is a high-performance dual-channel 16-bit Digital-to-Analog Converter (DAC) with a 1.0 GSPS update rate. This component features wideband LVDS data input, integrated 2x/4x interpolation filters, an onboard clock multiplier, and an internal voltage reference. It is designed to offer superior linearity, noise, crosstalk, and PLL phase noise performance, making it suitable for various high-speed applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Update Rate | 1.0 GSPS | |
| Data Input | Wideband LVDS | |
| Interpolation Filters | 2x or 4x | |
| Clock Multiplying PLL/VCO | 2x-32x | |
| Input FIFO | 8 Sample | |
| Output Current Range | 2 to 20 mA | |
| Package | 64-Pin QFN (9-mm × 9-mm) | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Maximum Junction Temperature | 125°C | °C |
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 73-dBc ACLR WCDMA TM1 at 180 MHz
- 2x-32x Clock Multiplying PLL/VCO
- 2x or 4x Interpolation Filters configurable in either low-pass or high-pass mode
- On-chip delay lock loop (DLL) for LVDS interfacing
- Optional Fs/4 coarse mixer in complex mode
- Differential Scalable Output: 2 to 20 mA
- On-chip 1.2-V reference
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 wideband LVDS data input.
- What are the interpolation filter options for the DAC5682Z?
The DAC5682Z has 2x or 4x interpolation filters that can be configured in either low-pass or high-pass mode.
- What is the output current range of the DAC5682Z?
The output current range of the DAC5682Z is 2 to 20 mA.
- What is the operating temperature range of the DAC5682Z?
The operating temperature range of the DAC5682Z is -40°C to 85°C.
- What are some of the key applications for the DAC5682Z?
The DAC5682Z is used in cellular base stations, broadband wireless access, WiMAX 802.16, fixed wireless backhaul, and cable modem termination systems.
- Does the DAC5682Z have an onboard clock multiplier?
Yes, the DAC5682Z has an onboard 2x-32x clock multiplying PLL/VCO.
- What is the package type and size of the DAC5682Z?
The DAC5682Z is available in a 64-pin QFN package with dimensions of 9-mm × 9-mm.
- Does the DAC5682Z support complex or real output?
Yes, the DAC5682Z supports both complex and real output, with an optional Fs/4 coarse mixer in complex mode.
- What is the maximum junction temperature of the DAC5682Z?
The maximum junction temperature of the DAC5682Z is 125°C.
