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AFE5812ZCF.B中文资料
AFE5812ZCF.B数据手册规格书PDF详情
1 Features
• 8-Channel Complete Analog Front-End
– LNA, VCAT, PGA, LPF, ADC, and CW Mixer
• Programmable Gain Low-Noise Amplifier (LNA)
– 24, 18, 15 dB Gain
– 0.25, 0.5, 0.7 VPP Linear Input Range
– 0.63, 0.7, 0.9 nV/rtHz Input Referred Noise
– Programmable Active Termination
• 40 dB Low Noise Voltage Controlled Attenuator
(VCAT)
• 24/30 dB Programmable Gain Amplifier (PGA)
• 3rd Order Linear Phase Low-Pass Filter (LPF)
– 10, 15, 20, 30, 35, 50 MHz
• 14-bit Analog to Digital Converter w/ LVDS output
– 77 dBFS SNR at 65 MSPS
• Noise/Power Optimizations (Without Digital
Demodulator)
– 180 mW/CH at 0.75 nV/rtHz, 65 MSPS
– 109 mW/CH at 1.1 nV/rtHz, 40 MSPS
– 107 mW/CH at CW Mode
• Excellent Device-to-Device Gain Matching
– ±0.5 dB(typical) and ±1.1 dB(max)
• Programmable Digital I/Q Demodulator after ADC
– Wide Range Demodulation Frequency
– <1KHz Frequency Resolution
– Decimation Filter Factor M = 1 to 32
– 16xM tap FIR Decimation Filter
– LVDS Rate Reduction after Demodulation
– On-chip RAM with 32 preset Profiles
• Low Harmonic Distortion
• Low Frequency Sonar Signal Processing
• Fast and Consistent Overload Recovery
• Passive Mixer for Continuous Wave
Doppler(CWD)
– Low Close-in Phase Noise –156 dBc/Hz at 1
KHz off 2.5 MHz Carrier
– Phase Resolution of 1/16λ
– Support 16X, 8X, 4X and 1X CW Clocks
– 12dB Suppression on 3rd and 5th Harmonics
• Small Package: 15 mm x 9 mm, 135-BGA
• Operation Temperature: -40°C to 85°C
2 Applications
• Medical Ultrasound Imaging
• Nondestructive Evaluation Equipments
• Sonar applications
• Multichannel, High-Speed Data Acquisition
3 Description
The AFE5812 is a highly-integrated analog front-end
(AFE) solution specifically designed for ultrasound
systems in which high performance and small size are
required. The AFE5812 integrates a complete timegain-
control (TGC) imaging path and a CWD path.
It also enables users to select one of various power/
noise combinations to optimize system performance.
Therefore, the AFE5812 is a suitable ultrasound AFE
solution not only for high-end systems, but also for
portable ones.
The AFE5812 contains eight channels of voltage
controlled amplifier (VCA), 14-bit and 12-bit ADC, and
CW mixer. The VCA includes LNA, VCAT, PGA, and
LPF. The LNA gain is programmable to support 250
mVPP to 0.75 VPP input signals. Programmable active
termination is also supported by the LNA. The ultralow
noise VCAT provides an attenuation control range
of 40 dB and improves overall low-gain SNR, which
benefits harmonic imaging and near-field imaging.
The PGA provides gain options of 24 and 30 dB.
Before the ADC, a LPF can be configured as 10,
15, 20, 30, 35 or 50 MHz to support ultrasound
applications with different frequencies. In addition,
the signal chain of the AFE5812 can handle signal
frequency lower than 100 kHz, which enables the
AFE5812 to be used in both sonar and medical
applications. The high-performance 14-bit/65-MSPS
ADC in the AFE5812 achieves 77 dBFS SNR. It
ensures excellent SNR at low chain gain. The ADC’s
LVDS outputs enable flexible system integration
desired for miniaturized systems.
The AFE5812 integrates a low-power passive mixer
and a low-noise summing amplifier to accomplish
on-chip CWD beamformer. 16 selectable phasedelays
can be applied to each analog input signal.
Meanwhile, a unique third- and fifth-order harmonic
suppression filter is implemented to enhance CW
sensitivity.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI德州仪器 |
22+ |
24000 |
原装正品现货,实单可谈,量大价优 |
||||
TI/德州仪器 |
23+ |
RFIDSUB-0 |
6500 |
专注配单,只做原装进口现货 |
|||
24+ |
N/A |
63000 |
一级代理-主营优势-实惠价格-不悔选择 |
||||
TI(德州仪器) |
2024+ |
N/A |
500000 |
诚信服务,绝对原装原盘 |
|||
TI/德州仪器 |
25+ |
RFIDSUB-0 |
10000 |
全新原装现货库存 |
|||
TI |
17+ |
10000 |
原装正品 |
||||
Texas Instruments |
24+ |
289-NFBGA(15x15) |
35200 |
一级代理/放心采购 |
|||
TI |
25+ |
BGA-289 |
126 |
就找我吧!--邀您体验愉快问购元件! |
|||
Texas |
25+ |
25000 |
原厂原包 深圳现货 主打品牌 假一赔百 可开票! |
||||
TI(德州仪器) |
2021+ |
8000 |
原装现货,欢迎询价 |
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