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AFE5808AZCF

更新时间： 2024-11-08 12:21:31
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德州仪器 - TI /
页数 文件大小 规格书
66页 1079K
描述
Fully Integrated, 8-Channel Ultrasound Analog Front End with Passive CW Mixer, 0.75 nV/rtHz, 14/12-Bit, 65 MSPS, 158 mW/CH

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AFE5808AZCF 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：BGA
包装说明：BGA,针数：135
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.53其他特性：ALSO OERATES AT 5V SUPPLY
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PBGA-B135
JESD-609代码：e1长度：9 mm
湿度敏感等级：3信道数量：8
功能数量：1端子数量：135
最高工作温度：85 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：BGA
封装形状：RECTANGULAR封装形式：GRID ARRAY
峰值回流温度（摄氏度）：260座面最大高度：1.26 mm
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：3.15 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：OTHER端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：BALL端子节距：1 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：15 mmBase Number Matches：1

AFE5808AZCF 数据手册

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AFE5808A  
www.ti.com  
SLOS729B –OCTOBER 2011–REVISED APRIL 2012  
Fully Integrated, 8-Channel Ultrasound Analog Front End with  
Passive CW Mixer, 0.75 nV/rtHz, 14/12-Bit, 65 MSPS, 158 mW/CH  
Check for Samples: AFE5808A  
1
FEATURES  
APPLICATIONS  
•
8-Channel Complete Analog Front-End  
LNA, VCAT, PGA, LPF, ADC, and CW Mixer  
•
•
Medical Ultrasound Imaging  
–
Nondestructive Evaluation Equipments  
•
Programmable Gain Low-Noise Amplifier  
(LNA)  
DESCRIPTION  
The AFE5808A is a highly integrated Analog Front-  
End (AFE) solution specifically designed for  
ultrasound systems in which high performance and  
small size are required. The AFE5808A integrates a  
complete time-gain-control (TGC) imaging path and a  
continuous wave Doppler (CWD) path. It also enables  
users to select one of various power/noise  
combinations to optimize system performance.  
Therefore, the AFE5808A is a suitable ultrasound  
analog front end solution not only for high-end  
systems, but also for portable ones.  
–
–
–
–
24/18/12 dB Gain  
0.25/0.5/1 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 MHz  
The AFE5808A contains eight channels of voltage  
controlled amplifier (VCA), 14/12-bit Analog-to-Digital  
Converter (ADC), and CW mixer. The VCA includes  
Low noise Amplifier (LNA), Voltage controlled  
Attenuator (VCAT), Programmable Gain Amplifier  
(PGA), and Low-Pass Filter (LPF). The LNA gain is  
programmable to support 250 mVPP to 1 VPP input  
signals. Programmable active termination is also  
supported by the LNA. The ultra-low 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 dB and 30 dB. Before the  
ADC, a LPF can be configured as 10 MHz, 15 MHz,  
20 MHz or 30 MHz to support ultrasound applications  
with different frequencies. The high-performance  
14bit/65 MSPS ADC in the AFE5808A achieves  
77dBFS SNR. It ensures excellent SNR at low chain  
gain. The ADC’s LVDS outputs enable flexible system  
integration desired for miniaturized systems.  
•
•
14-bit Analog to Digital Converter (ADC)  
–
–
77 dBFS SNR at 65 MSPS  
LVDS Outputs  
Noise/Power Optimizations (Full Chain)  
–
–
–
158 mW/CH at 0.75 nV/rtHz, 65 MSPS  
101 mW/CH at 1.1 nV/rtHz, 40 MSPS  
80 mW/CH at CW Mode  
•
Excellent Device-to-Device Gain Matching  
±0.5 dB (Typical) and ±0.9 dB (Max)  
–
•
•
•
Low Harmonic Distortion  
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  
Flexible Input Clocks  
•
Small Package: 15 mm x 9 mm, 135-BGA  
NOTE  
AFE5808A is an enhanced version of AFE5808 and it is recommended for new designs.  
Compared to AFE5808, it expands the cut-off frequency range of the digital high pass  
filter; increases the handling capability of extreme overload signals; lowers the correlated  
noise significantly when high impedance source appears.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011–2012, Texas Instruments Incorporated  
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