Overview
The DAC5672AIPFBG4 is a high-performance, dual-channel, 14-bit digital-to-analog converter (DAC) produced by Texas Instruments. This monolithic device operates at update rates of up to 275 million samples per second (MSPS), making it well-suited for high-speed applications requiring exceptional dynamic performance. The DAC5672A features an on-chip voltage reference, independent or single resistor gain control, and supports both dual and interleaved data modes. It is designed for use in various communication and instrumentation systems, including cellular base stations, medical and test equipment, and arbitrary waveform generators.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 Bits | |
| Update Rate | Up to 275 MSPS | |
| Supply Voltage | 3 V to 3.6 V | V |
| Full-Scale Output Current | 2 mA to 20 mA | mA |
| Integral Nonlinearity (INL) | ±1.1 LSB | LSB |
| Differential Nonlinearity (DNL) | ±0.75 LSB | LSB |
| Spurious-Free Dynamic Range (SFDR) | Up to 84 dBc at 5 MHz | dBc |
| Third-Order Two-Tone Intermodulation (IMD3) | Up to 79 dBc at 15.1 MHz and 16.1 MHz | dBc |
| Power Dissipation | 330 mW (active), 9 mW (sleep mode) | mW |
| Operating Temperature | –40°C to 85°C | °C |
| Package | 48-Pin Thin-Quad Flat Pack (TQFP) |
Key Features
- High-speed operation with update rates up to 275 MSPS
- On-chip temperature-compensated 1.2-V reference voltage
- Independent or single resistor gain control
- Dual or interleaved data modes
- High-impedance differential-current output suitable for single-ended or differential analog-output configurations
- Low power consumption: 330 mW active, 9 mW in sleep mode
- Pin compatibility with other DAC models (DAC5662, DAC2904, AD9767)
- Segmented current source architecture for reduced glitch energy and improved dynamic performance
Applications
- Cellular base transceiver stations (CDMA, W-CDMA, CDMA2000, IS-95, GSM, IS-136, EDGE, UWC-136)
- Medical and test instrumentation
- Arbitrary waveform generators (ARB)
- Direct digital synthesis (DDS)
- Cable modem termination systems (CMTS)
Q & A
- What is the maximum update rate of the DAC5672A?
The DAC5672A can operate at update rates of up to 275 MSPS.
- What is the resolution of the DAC5672A?
The DAC5672A has a resolution of 14 bits.
- What is the typical power consumption of the DAC5672A in active mode?
The typical power consumption in active mode is 330 mW.
- What is the power consumption in sleep mode?
The power consumption in sleep mode is 9 mW.
- What are the operating temperature ranges for the DAC5672A?
The device operates over the industrial temperature range of –40°C to 85°C.
- What types of output configurations does the DAC5672A support?
The DAC5672A supports both single-ended and differential analog-output configurations.
- Can the DAC5672A be used in interleaved mode?
Yes, the DAC5672A supports single-bus interleaved mode where data must be presented interleaved at the A-channel input bus.
- What is the package type of the DAC5672A?
The DAC5672A is available in a 48-pin Thin-Quad Flat Pack (TQFP) package.
- Is the DAC5672A pin-compatible with other DAC models?
Yes, it is pin-compatible with other DAC models such as DAC5662, DAC2904, and AD9767.
- What is the typical SFDR of the DAC5672A at 5 MHz?
The typical Spurious-Free Dynamic Range (SFDR) at 5 MHz is up to 84 dBc.
