1 Features

1? 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

2 Applications

? Medical ultrasound imaging

? High frequency ultrasound imaging

? Non-destructive testing (NDT)

? Sonar, radar, LiDAR imaging equipment

? Multi-channel data acquistion

3 Description

The AFE58JD48 device is a highly-integrated, analog

front-end (AFE) solutions specifically designed for

premium ultrasound systems.