1 Features

• 16-Channel, Complete Analog Front-End (AFE):

– LNA, VCAT, PGA, LPF, ADC, and CW Mixer

• LNA with Programmable Gain:

– Gain: 24 dB, 18 dB, and 12 dB

– Linear Input Range:

0.25 VPP, 0.5 VPP, and 1 VPP

– Input-Referred Noise:

0.63 nV/√Hz, 0.7 nV/√Hz, and 0.9 nV/√Hz

– Programmable Active Termination

• Voltage-Controlled Attenuator (VCAT): 40 dB

• Programmable Gain Amplifier (PGA):

24 dB and 30 dB

• Total Signal Chain Gain: 54 dB (max)

• 3rd-Order, Linear-Phase LPF:

– 10 MHz, 15 MHz, 20 MHz, 30 MHz, 35 MHz,

and 50 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 Maximum Speed of 1 Gbps

• Noise and Power Optimizations (Full-Channel):

– 140 mW/Ch at 0.75 nV/√Hz, 65 MSPS

– 91.5 mW/Ch at 1.1 nV/√Hz, 40 MSPS

– 80 mW/Ch at CW Mode

• Excellent Device-to-Device Gain Matching:

– ±0.5 dB (typical) and ±1.1 dB (max)

• Low Harmonic Distortion

• Fast and Consistent Overload Recovery

• Passive Mixer for CWD:

– Low Close-In Phase Noise:

–156 dBc/Hz at 1 kHz Off 2.5-MHz Carrier

– Phase Resolution: λ / 16

– Supports 16X, 8X, 4X, and 1X CW Clocks

– CWD High-Pass Filter Rejects Undesired Low-

Frequency Signals < 1 kHz

• 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

3 Description

The AFE58JD18 is a highly-integrated, analog frontend

(AFE) solutions specifically designed for

ultrasound systems where high performance and

small size are required.

To request a full datasheet or other design resources:

request AFE58JD18