The AD9154-EBZ, AD9154-M6720-EBZ, and AD9154-FMC-EBZ from ADI's support the AD9154 which is a quad, 16-bit, high dynamic range digital-to-analog converter (DAC) that provides a maximum sample rate of 2.4 GSPS, permitting multicarrier generation up to the Nyquist frequency in baseband mode. The AD9154 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 the ADRF672x radio frequency quadrature modulators (AQMs) from ADI. In mix-mode, the AD9154 DACs can reconstruct carriers in the 2nd and 3rd Nyquist zones. A serial port interface (SPI) provides for programming/readback of internal parameters. Full-scale output current can be programmed over a range of 4 mA to 20 mA.
Features
- Supports input data rates up to 1 GSPS
- Proprietary, low spurious and distortion design
- Single carrier LTE 20 MHz BW, ACLR = 76.7 dBc at 180 MHz IF
- Six carrier GSM IMD = 78 dBc, 600 kHz carrier spacing at 180 MHz IF
- High performance, low noise PLL clock multiplier
- Digital quadrature modulation using an NCO
- “Mix-mode” Nyquist band selection
- Selectable 1x, 2x, 4x, and 8x interpolation filters
- Low power: 2.11 W at 1.6 GSPS, full operating conditions
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- Data generator latency compensation
- SFDR = 72 dBc at 180 MHz IF, -6 dBFS
- Flexible 8-lane JESD204B interface
- Multiple chip synchronization
- Fixed latency
- Digital inverse sinc filter
- Input signal power detection
- 88-lead, exposed pad LFCSP
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The AD9154-EBZ, AD9154-M6720-EBZ, and AD9154-FMC-EBZ from ADI's support the AD9154 which is a quad, 16-bit, high dynamic range digital-to-analog converter (DAC) that provides a maximum sample rate of 2.4 GSPS, permitting multicarrier generation up to the Nyquist frequency in baseband mode. The AD9154 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 the ADRF672x radio frequency quadrature modulators (AQMs) from ADI. In mix-mode, the AD9154 DACs can reconstruct carriers in the 2nd and 3rd Nyquist zones. A serial port interface (SPI) provides for programming/readback of internal parameters. Full-scale output current can be programmed over a range of 4 mA to 20 mA.
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