AFE58JD16屬于集成電路（IC）的模擬前端（AFE）。由美國(guó)德州儀器公司制造生產(chǎn)的AFE58JD16模擬前端（AFE）模擬前端 (AFE) 是一種用于信號(hào)調(diào)節(jié)的半導(dǎo)體器件，由模擬放大器、運(yùn)算放大器、濾波器和集成電路構(gòu)成。這種可配置功能塊能連接各種傳感器。分辨率范圍從 8 位至 42 位不等，通道數(shù)范圍為 1 至 256 個(gè)。

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