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AFE5804ZCFT

更新时间： 2024-09-18 06:36:35
品牌 Logo 应用领域
德州仪器 - TI 模拟IC信号电路
页数 文件大小 规格书
60页 891K
描述
FULLY-INTEGRATED, 8-CHANNEL ANALOG FRONT-END FOR ULTRASOUND 0.89nV/√Hz, 12-Bit, 40MSPS, 101mW/Channel

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AFE5804ZCFT 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：BGA包装说明：BGA,
针数：135Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.59
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PBGA-B135
长度：15 mm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）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：1.72 mm
最大供电电压 (Vsup)：3.47 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：9 mm
Base Number Matches：1

AFE5804ZCFT 数据手册

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AFE5804  
www.ti.com ................................................................................................................................................ SBOS442A–JUNE 2008–REVISED SEPTEMBER 2008  
FULLY-INTEGRATED, 8-CHANNEL ANALOG FRONT-END FOR ULTRASOUND  
0.89nV/√Hz, 12-Bit, 40MSPS, 101mW/Channel  
1
FEATURES  
DESCRIPTION  
23  
•
8-Channel Complete Analog Front-End:  
LNA, VCA, PGA, LPF, and ADC  
Mode Control for Power/Noise Optimization:  
The AFE5804 is a complete analog front-end device  
specifically designed for ultrasound systems that  
require low power and small size.  
–
•
The AFE5804 consists of eight channels, including a  
–
Low Noise (Full-Channel):  
0.89nV/√Hz (TGC Mode I)  
1.23nV/√Hz (TGC Mode II)  
1.03nV/√Hz (PW Mode)  
low-noise  
attenuator (VCA), programmable gain amplifier  
(PGA), low-pass filter (LPF), and 12-bit  
amplifier  
(LNA),  
voltage-controlled  
a
analog-to-digital converter (ADC) with low voltage  
differential signaling (LVDS) data outputs.  
–
Ultra-Low Power:  
101mW/Channel (TGC Mode II)  
65mW/Channel (CW Mode)  
The LNA gain is set for 20dB gain and has excellent  
noise and signal handling capabilities, including fast  
overload recovery. VCA gain can vary over a 46dB  
range with a 0V to 1.2V control voltage common to all  
channels of the AFE5804.  
•
•
Low-Noise Pre-Amp (LNA):  
–
–
–
0.75nV/√Hz  
20dB Fixed Gain  
The PGA can be programmed for gains of 20dB,  
25dB, 27dB, and 30dB. The internal low-pass filter  
can also be programmed to 12.5MHz or 17MHz.  
280mVPP Linear Input Range  
Variable-Gain Amplifier:  
Gain Control Range: 46dB  
–
The LVDS outputs of the ADC reduce the number of  
interface lines to an ASIC or FPGA, thereby enabling  
the high system integration densities desired for  
portable systems. The ADC can either be operated  
with internal or external references. The ADC also  
features a signal-to-noise ratio (SNR) enhancement  
mode that can be useful at high gains.  
•
•
PGA Gain Settings: 20dB, 25dB, 27dB, 30dB  
Low-Pass Filter:  
–
–
Selectable BW: 12.5MHz, 17MHz  
2nd-Order, Bessel  
•
•
•
•
•
Gain Error: ±0.5dB  
Channel Matching: ±0.25dB  
Clamping  
The AFE5804 is available in a 15mm × 9mm,  
135-ball  
BGA  
package  
that  
is  
Pb-free  
(RoHS-compliant) and green. It is specified for  
operation from 0°C to +85°C.  
Fast Overload Recovery: Two Clock Cycles  
12-Bit Analog-to-Digital Converter:  
–
–
–
10MSPS to 50MSPS  
69dB SNR at 10MHz  
Serial LVDS Interface  
SPI  
Logic/Controls  
LVDS  
OUT  
•
•
Integrated CW Switch Matrix  
IN1  
Clamp  
and  
.
.
.
.
12-Bit  
ADC  
8 Channels  
LNA  
VCA/PGA  
CH1  
.
15mm × 9mm, 135-BGA Package:  
.
CH8  
LPF  
IN8  
–
Pb-Free (RoHS-Compliant) and Green  
Reference  
CW Switch Matrix (8´10)  
APPLICATIONS  
•
Medical Imaging, Ultrasound  
AFE5804  
IOUT (10)  
–
–
Portable Systems  
Battery-Powered Systems  
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.  
2
3
Infineon is a registered trademark of Infineon Technologies.  
All other trademarks are the property of their respective owners.  
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 © 2008, Texas Instruments Incorporated  
1234567...60

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