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

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Analog Devices AD9142 Dual, 16-Bit DAC

Analog Devices AD9142 Dual, 16-Bit Digital-to-Analog Converter (DAC) provides a sample rate of 1600MSPS, permitting a multi-carrier generation up to the Nyquist frequency. The ADI AD9142 TxDAC+® includes features optimized for direct conversion transmit applications, including complex digital modulation, input signal power detection, and gain, phase, and offset compensation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators, such as the ADI ADL537x F-MOD series and ADRF670x series. A 3-wire serial port interface provides for the programming and readback of many internal parameters. Full-scale output current can be programmed over a range of 9mA to 33mA.


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 ZIF
  • Flexible 16-bit LVDS interface
  • Supports word and byte load
  • Multiple chip synchronization
    • Fixed latency and data generator latency compensation
  • Selectable 2×, 4×, 8× interpolation filter
    • Low power architecture
    • fS/4 power saving coarse mixer
  • Input signal power detection
    • Emergency stop for downstream analog circuitry protection
  • FIFO 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
  • Analog Devices Inc.