Overview
The DAC5672IPFBR from Texas Instruments is a high-performance, 14-bit, dual-channel digital-to-analog converter (DAC) designed for high-speed applications. This monolithic device operates with update rates of up to 275 million samples per second (MSPS) and features a single-supply voltage range of 3 V to 3.6 V. It is particularly suited for I/Q baseband or direct IF communication applications due to its exceptional dynamic performance and tight gain and offset matching characteristics.
The DAC5672IPFBR includes an on-chip 1.2-V reference voltage that is temperature-compensated, ensuring stable output. The device supports both dual and interleaved data modes and has high-impedance, differential-current outputs suitable for single-ended or differential analog output configurations.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Resolution | - | 14 Bits | - | - |
| Update Rate | - | - | 275 MSPS | - |
| Supply Voltage (AVDD, DVDD) | 3 V | 3.3 V | 3.6 V | V |
| Full-Scale Output Current | 2 mA | - | 20 mA | mA |
| Integral Nonlinearity (INL) | -4 LSB | ±1.1 LSB | 4 LSB | LSB |
| Differential Nonlinearity (DNL) | -3 LSB | ±0.75 LSB | 3 LSB | LSB |
| Output Voltage Compliance Range | -1 V | - | 1.25 V | V |
| Spurious-Free Dynamic Range (SFDR) | - | - | 84 dBc at 5 MHz | dBc |
| Power Dissipation | - | - | 330 mW at 200 MSPS | mW |
| Package | - | - | 48-Pin TQFP | - |
Key Features
- 14-bit resolution with dual-channel operation
- High update rate of up to 275 MSPS
- Single-supply operation: 3 V to 3.6 V
- High spurious-free dynamic range (SFDR): 84 dBc at 5 MHz
- High third-order two-tone intermodulation (IMD3): 79 dBc at 15.1 MHz and 16.1 MHz
- Independent or single resistor gain control
- Dual or interleaved data modes
- On-chip 1.2-V reference voltage
- Low power consumption: 330 mW in operating mode, 9 mW in power-down mode
- Support for differential transformer-coupled output with 50-Ω doubly-terminated load
Applications
- Cellular base transceiver stations: CDMA, W-CDMA, CDMA2000, IS-95, GSM, IS-136, EDGE, and UWC-136
- Medical and test instrumentation
- Arbitrary waveform generators (ARB)
- Direct digital synthesis (DDS)
- Cable modem termination systems (CMTS)
Q & A
- What is the resolution of the DAC5672IPFBR?
The DAC5672IPFBR has a 14-bit resolution.
- What is the maximum update rate of the DAC5672IPFBR?
The maximum update rate is 275 MSPS.
- What is the supply voltage range for the DAC5672IPFBR?
The supply voltage range is from 3 V to 3.6 V.
- What is the spurious-free dynamic range (SFDR) of the DAC5672IPFBR?
The SFDR is 84 dBc at 5 MHz.
- Does the DAC5672IPFBR have an on-chip reference voltage?
Yes, it has an on-chip 1.2-V reference voltage that is temperature-compensated.
- What are the power consumption modes of the DAC5672IPFBR?
The device consumes 330 mW in operating mode and 9 mW in power-down mode.
- What types of output configurations are supported by the DAC5672IPFBR?
The device supports single-ended or differential analog output configurations.
- What is the package type of the DAC5672IPFBR?
The device is available in a 48-pin TQFP package.
- What are some common applications of the DAC5672IPFBR?
Common applications include cellular base transceiver stations, medical and test instrumentation, arbitrary waveform generators, direct digital synthesis, and cable modem termination systems.
- Is the DAC5672IPFBR pin-compatible with other DAC models?
Yes, it is pin-compatible with the DAC5662, DAC2904, and AD9767 dual DACs.
