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 VPP

• 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 frontend

(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