SBOS887 August 2017 AFE5832

PRODUCTION DATA. 

  1. 1Features
  2. 2Applications
  3. 3Description
  4. 4Description (continued)
  5. 5Device and Documentation Support
    1. 5.1Documentation Support
      1. 5.1.1Related Documentation
    2. 5.2Receiving Notification of Documentation Updates
    3. 5.3Community Resources
    4. 5.4Trademarks
    5. 5.5Electrostatic Discharge Caution
    6. 5.6Glossary
  6. 6Mechanical, Packaging, and Orderable Information
    1. 6.1Tray Information

Features

  • 32-Channel, AFE for Ultrasound Applications:
    • Input Attenuator, LNA, LPF, ADC,
      and CW Mixer
    • Digital Time Gain Compensation (DTGC)
    • Total Gain Range: 12 dB to 51 dB
    • Linear Input Range: 400 mVPP
  • Input Attenuator With DTGC:
    • 8-dB to 0-dB Attenuation With 0.125-dB Step
    • Supports Matched Impedance for:
      • 50-Ω to 800-Ω Source Impedance
  • Low-Noise Amplifier (LNA) With DTGC:
    • 20-dB to 51-dB Gain With 0.125-dB Step
    • Low Input Current Noise: 1.2 pA/√Hz
  • 3rd-Order, Linear-Phase, Low-Pass Filter (LPF):
    • 5 MHz, 7.5 MHz, 10 MHz, and 12.5 MHz
  • 16 ADCs Converting at 12-Bit, 80 MSPS or 10-bit, 100 MSPS:
    • Each ADC Converts Two Sets of Inputs at Half Rate
    • 12-Bit ADC: 72-dBFS SNR
    • 10-Bit ADC: 61-dBFS SNR
  • Optimized for Noise and Power:
    • 42 mW/Ch at 1.4 nV/√Hz, 40 MSPS
    • 52 mW/Ch at 1.3 nV/√Hz, 40 MSPS
    • 60 mW/Ch in CW Mode
  • Excellent Device-to-Device Gain Matching:
    • ±0.5 dB (Typical)
  • Low Harmonic Distortion: –55 dBc
  • Fast and Consistent Overload Recovery
  • Continuous Wave (CW) Path With:
    • Low Close-In Phase Noise of –151 dBc/Hz
      at 1-kHz Frequency Offset Off 2.5-MHz Carrier
    • Phase Resolution: λ / 16
    • Supports 16X CW Clock
    • 12-dB Suppression on Third and Fifth Harmonics
  • LVDS Interface With a Speed Up to 1 Gbps
  • Small Package: 15-mm × 15-mm NFBGA-289

Applications

  • Medical Ultrasound Imaging
  • Nondestructive Evaluation Equipment
  • Sonar Imaging Equipment
  • Multichannel, High-Speed Data Acquisition

Description

The AFE5832 device is a highly-integrated, analog front-end solution specifically designed for ultrasound systems where high performance, low power, and small size are required.

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)
AFE5832NFBGA (289)15.00 mm × 15.00 mm
  1. For all available packages, see the package option addendum at the end of the datasheet.

Simplified Block Diagram

AFE5832 frontpage_sbos736.gif