Analog Devices AD9148 Digital to Analog Converters

Analog Devices (ADI) announced the AD9148 high-speed quad DAC (digital-to-analog converter). The AD9148 is a 16-bit, high dynamic range DAC with a sample rate of 1000 MSPS. The AD9148 device is optimized for direct conversion transmit applications, including gain, phase, and offset compensation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators. Prices start at $58.60 each (in lots of 1,000).

AD9148 Digital-to-Analog Converter Highlights

  • On-chip 32-bit NCO (numerically-controlled oscillator) for complex modulation schemes
  • 2 times, 4 times, and 8 times interpolation
  • Supports multi-antenna wireless communications standards
  • Four-channel, 16-bit DAC
  • 1-GSPS (giga-sample per second) data rate
  • Cuts component count in half relative to dual-channel DACs
  • 12 mm x 12 mm package size reduces PCB (printed circuit board) space by 20%
  • Dual-port, time-interleaved LVDS (low-voltage differential signaling) interface with single port or byte-mode support enables high data rates
  • 8-deep FIFO (first-in, first-out) memory eases timing layout
  • Noise spectral density of -158dBm/Hz
  • On-chip support for multi-DAC synchronization
  • IMD (third-order intermodulation distortion) = 85dBc
  • ACLR (adjacent-channel leakage ratio) = 78dBc
  • Flip-chip package technology lowers package inductance and provides for superior AC performance
  • Can interface to ADI’s ADL5371/2/3 frequency modulators, ADL5375 and ADRF670x analog quadrature modulators and AD9516 clock IC for clock distribution

More info: Analog Devices