DAC2904 - 14 位 125MSPS 双路通信 DAC

DAC2904是TI德州仪器公司的一款高速DAC(>10MSPS)产品，DAC2904是14 位 125MSPS 双路通信 DAC，本站介绍了DAC2904的封装应用图解、特点和优点、功能等，并给出了与DAC2904相关的TI元器件型号供参考。

DAC2904 - 14 位 125MSPS 双路通信 DAC - 高速DAC(>10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC2904 is a monolithic, 14-bit, dual-channel, high-speed Digital-to-Analog Converter (DAC), and is optimized to provide high dynamic performance while dissipating only 310mW.

Operating with high update rates of up to 125MSPS, the DAC2904 offers exceptional dynamic performance, and enables the generation of very-high output frequencies suitable for “Direct IF” applications. The DAC2904 has been optimized for communications applications in which separate I and Q data are processed while maintaining tight-gain and offset matching.

Each DAC has a high-impedance differential-current output, suitable for single-ended or differential analog-output configurations.

The DAC2904 combines high dynamic performance with a high update rate to create a cost-effective solution for a wide variety of waveform-synthesis applications:

Pin compatibility between family members provides 10-bit (DAC2900), 12-bit (DAC2902), and 14-bit (DAC2904) resolution.Pin compatible to the AD9767 dual DAC.Gain matching is typically 0.5% of full-scale, and offset matching is specified at 0.02% max.The DAC2904 utilizes an advanced CMOS process; the segmented architecture minimizes output-glitch energy, and maximizes the dynamic performance.All digital inputs are +3.3V and +5V logic compatible. The DAC2904 has an internal reference circuit, and allows use in a multiplying configuration.

The DAC2904 is available in a TQFP-48 package, and is specified over the extended industrial temperature range of –40°C to +85°C.

产品特性

125MSPS UPDATE RATE
SINGLE SUPPLY: +3.3V or +5V
HIGH SFDR: 78dB at fOUT = 10MHz
LOW GLITCH: 2pV-s
LOW POWER: 310mW
INTERNAL REFERENCE
POWER-DOWN MODE: 23mW
APPLICATIONS
- COMMUNICATIONS:
  - Base Stations, WLL, WLAN
  - Baseband I/Q Modulation
- MEDICAL/TEST INSTRUMENTATION
- ARBITRARY WAVEFORM GENERATORS (ARB)
- DIRECT DIGITAL SYNTHESIS (DDS)

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