1 Features

• 16-Channel, AFE for Ultrasound Applications:
  • Input Attenuator, LNA, LPF, ADC, and
    CW Mixer
  • Digital Time Gain Compensation (DTGC)
  • Total Gain Range: 6 dB to 45 dB
  • Linear Input Range: 1 V_PP
• 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:
  • 14-dB to 45-dB Gain with 0.125-dB Step
  • Low Input Current Noise: 1.2 pA/√Hz
• 3rd-Order, Linear-Phase, Low-Pass Filter (LPF):
  • 10 MHz, 15 MHz, 20 MHz, and 25 MHz
• Analog-to-Digital Converter (ADC):
  • 14-Bit ADC: 75-dBFS SNR at 65 MSPS
  • 12-Bit ADC: 72-dBFS SNR at 80 MSPS
• LVDS Interface with a Maximum Speed Up to
  1 GBPS
• Optimized for Noise and Power:
  • 90 mW/Ch at 1 nV/√Hz, 65 MSPS
  • 55 mW/Ch at 1.45 nV/√Hz, 40 MSPS
  • 59 mW/Ch in CW Mode
• Excellent Device-to-Device Gain Matching:
  • ±0.5 dB (Typical)
• Low Harmonic Distortion: –60-dBc Level
• Fast and Consistent Overload Recovery
• Continuous Wave (CW) Path with:
  • Low Close-In Phase Noise of –148 dBc/Hz
    at 1-kHz frequency
  • Phase Resolution: λ / 16
  • Supports 16X, 8X, 4X, and 1X CW Clocks
• Digital Features:
  • Digital I/Q Demodulator after ADC:
    • Fractional Decimation Filter M = 1 to 63 with 0.25X Increment Step
    • Data Throughput Reduction After Decimation
    • On-Chip RAM with 32 Preset Profiles
• 5-Gbps JESD Interface:
  • JESD204B Subclass 0, 1, and 2
  • 2, 4, or 8 Channels per JESD Lane
• Small Package: 15-mm × 15-mm NFBGA-289

2 Applications

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

3 Description

The AFE58JD16 is a highly-integrated, analog front-end (AFE) solution specifically designed for ultrasound systems where high performance, low power, and small size are required.

To request a full datasheet or other design resources: request AFE58JD16

1. For all available packages, see the package option addendum at the end of the datasheet.

Simplified Block Diagram