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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » AD9139 16-Bit DAC - Analog Devices
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Analog Devices AD9142 Dual, 16-Bit DAC
Analog Devices AD9139 16-Bit DAC

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Analog Devices AD9139 16-Bit DAC

Analog Devices AD9139 DAC is an 16-bit, high dynamic range digital-to-analog converter (DAC) that provides a sample rate of 1600 MSPS, permitting a multicarrier generation up to the Nyquist frequency. The AD9139 TxDAC+® includes features optimized for wideband communication applications, including 1× and 2× interpolation, a delay locked loop (DLL) powered high speed interface, sample error detection, and parity detection. A 3-wire serial port interface provides for the programming/readback of many internal parameters. A full-scale output current can be programmed over a range of 9 mA up to 33 mA. The AD9139 is ideal for wideband communications, transmit diversity/MIMO, instrumentation, and automated test equipment.


Features
  • Very small inherent latency variation: <2 DAC clock cycles
  • Proprietary low spurious and distortion design
    • 6-carrier GSM ACLR = 79dBc at 200MHz IF
    • SFDR > 85dBc (bandwidth = 300MHz) at zero ZIF
  • Flexible 16-bit LVDS interface
    • Supports word and byte load
  • Multiple chip synchronization
    • Fixed latency and data generator latency compensation
  • Selectable 1× or 2× interpolation filter
    • Support input signal bandwidth up to 575MHz
  • High performance, low noise PLL clock multiplier
  • Digital inverse sinc filter
  • Low power: 700mW at 1230 MSPS
  • FIFO eases system timing and includes error detection
Applications
  • Wireless communications: 3G/4G and MC-GSM base stations, wideband repeaters, software defined radios
  • Wideband communications: point-to-point, LMDS/MMDS
  • Transmit diversity/MIMO
  • Instrumentation
  • Automated test equipment

Functional Block Diagram

Functional Block Diagram
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  • Analog Devices Inc.