SBASA17A October   2019  – December 2019 AFE58JD48

PRODUCTION DATA.  

  1. 1Features
  2. 2Applications
  3. 3Description
    1.     Device Images
      1.      Simplified Block Diagram
  4. 4Revision History
  5. 5Description (continued)
  6. 6Device and Documentation Support
    1. 6.1 Documentation Support
      1. 6.1.1 Related Documentation
    2. 6.2 Receiving Notification of Documentation Updates
    3. 6.3 Support Resources
    4. 6.4 Trademarks
    5. 6.5 Electrostatic Discharge Caution
    6. 6.6 Glossary
  7. 7Mechanical, Packaging, and Orderable Information

Features

  • 16-Channel AFE for ultrasound applications:
    • Four programmable TGC setting profiles
  • Low-noise amplifier (LNA) With Active Termination:
    • Programmable gain: 21 dB, 18 dB, and 15 dB
    • Linear input amplitude: 0.37/0.5/0.71 VPP
    • Maximum input amplitude: 1 Vpp
  • Voltage-controlled attenuator (VCAT):
    • Attenuation range: 0 dB–36 dB
  • Programmable gain amplifier (PGA):
    • 18 dB–27 dB in Steps of 3 dB
  • 3rd-Order, 10 ~ 60 MHz Low-pass filter (LPF)
  • ADC Idle-Channel SNR:
    • 16-Bit, 125-MSPS Mode: 80-dBFS
    • 14-Bit, 80-MSPS Mode: 79-dBFS
  • Excellent near field SNR: 74-dBFS
  • TGC Mode JESD204B output
    • 140 mW/Ch, 0.8 nV/√Hz, 125 MSPS, 16 bit
    • 120 mW/Ch, 0.8 nV/√Hz, 80 MSPS, 16 bit
    • 115 mW/Ch, 0.8 nV/√Hz, 65 MSPS, 16 bit
    • 105 mW/Ch, 0.8 nV/√Hz, 40 MSPS, 16 bit
  • TGC Mode LVDS output
    • 120 mW/Ch, 0.8 nV/√Hz, 80 MSPS, 16 bit
    • 115 mW/Ch, 0.8 nV/√Hz, 65 MSPS, 16 bit
    • 150 mW/Ch, 0.8 nV/√Hz, 125 MSPS, 16 bit, Decimation by 2, LVDS 0.5x mode
  • CW Mode: 63 mW/Ch, 1.15 nV/√Hz
  • ±0.4 dB (typical) Device-to-device gain matching
  • Fast and consistent overload recovery
  • Continuous wave (CW) path with:
    • –159 dBc/Hz Phase noise at 1-kHz off carrier
    • λ / 16 Phase resolution
    • Supports 16x and 8x CW clocks
    • 12-dB Suppression of 3rd and 5th harmonics
  • Digital I/Q demodulator w/ data reduction
    • Fractional decimation filter M = 1 to 63 with increments of 0.25
    • On-chip RAM with 32 preset profiles
  • LVDS Interface with a speed Up to 1.28 Gbps
  • 10-Gbps JESD204B Subclass 0, 1, and 2
    • Up to 12.8-Gbps with 10-cm PCB traces
    • 2, 4, or 8 Channels per JESD lane