Overview
The DAC5662IPFBR is a high-performance, dual-channel, 12-bit digital-to-analog converter (DAC) manufactured by Texas Instruments. Designed for high-speed applications, this DAC operates at update rates of up to 275MSPS, delivering exceptional dynamic performance and precise gain and offset matching. It is particularly well-suited for I/Q baseband or direct IF communication applications. The DAC5662IPFBR features a 1.2V on-chip voltage reference, low power consumption, and flexible output configurations, making it a competitive choice for advanced communication systems, medical devices, and test equipment.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 12 | Bits | |
| Number of Channels | 2 | ||
| Update Rate | 275 | MSPS | |
| Power Consumption | 330 | mW | Typical |
| SFDR | 85 | dBc | At 5MHz |
| IMD3 | 78 | dBc | At 15.1MHz and 16.1MHz |
| WCDMA ACLR | 70 | dB | At 30.72MHz |
| Operating Temperature | -40 to 85 | °C | |
| Reference Voltage | 1.2 | V | On-chip |
| Package | 48-pin TQFP |
Key Features
- Dual-channel 12-bit DAC with up to 275MSPS update rate.
- On-chip 1.2V voltage reference with temperature compensation.
- Low power consumption of 330mW (typical).
- High SFDR of 85dBc at 5MHz for superior signal quality.
- Flexible output configurations: single-ended or differential.
- Independent or single-resistor gain control for each DAC.
- Designed for 50Ω double-terminated load with transformer-coupled output.
Applications
The DAC5662IPFBR is widely used in various high-speed and precision applications, including:
- Communication Systems: I/Q baseband and direct IF applications in cellular base stations, CDMA, W-CDMA, and GSM systems.
- Medical Devices: High-resolution signal generation in medical imaging and diagnostic equipment.
- Test and Measurement: Arbitrary waveform generation (AWG) and direct digital synthesis (DDS) in test instruments.
- Industrial Automation: Precision control and signal processing in industrial systems.
Q & A
1. What is the resolution of the DAC5662IPFBR?
The DAC5662IPFBR has a resolution of 12 bits.
2. What is the maximum update rate of this DAC?
The maximum update rate is 275MSPS.
3. Does the DAC5662IPFBR have an on-chip voltage reference?
Yes, it includes a 1.2V on-chip voltage reference.
4. What is the typical power consumption of the DAC5662IPFBR?
The typical power consumption is 330mW.
5. What applications is this DAC suitable for?
It is suitable for communication systems, medical devices, and test and measurement equipment.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. Can the DAC5662IPFBR be used in differential output configurations?
Yes, it supports both single-ended and differential output configurations.
8. What is the SFDR of the DAC5662IPFBR at 5MHz?
The SFDR is 85dBc at 5MHz.
9. Does this DAC support gain control?
Yes, it supports independent or single-resistor gain control for each DAC.
10. What package does the DAC5662IPFBR come in?
It is available in a 48-pin TQFP package.
