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參數(shù)資料
| 型號： | MAX2077CTN+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC FRONT-END ULTRASOUND 56TQFN |
| 應(yīng)用說明： | Ultrasound Imaging Systems Application Note |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 超聲波接收器 |
| 應(yīng)用： | 醫(yī)療用超聲波成像，聲納 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 56-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 56-TQFN-EP（8x8） |
| 包裝： | 帶卷 (TR) |
MAX2077
Octal-Channel Ultrasound Front-End
______________________________________________________________________________________
15
Analog Output Coupling
Each of the VGA output pins can drive 25pF to GND
and 15pF || 1k
Ω differentially. The differential outputs
have a common-mode bias of approximately 1.73V.
AC-couple these differential outputs if the next stage
has a different common-mode input range.
Power-Supply Sequencing
Use the following power-on sequence:
1) 4.75V supply
2) 3.3V supply
3) 2.5V reference voltage
4) Control signals
Before a signal is turned on, it should be either at 0V or
in an open state.
Ultrasound-Specific IMD3 Specification
Unlike typical communications applications, the two
input tones are not equal in magnitude for the ultra-
sound-specific IMD3 two-tone specification. In this
measurement, f1 represents reflections from tissue and
f2 represents reflections from blood. The latter reflec-
tions are typically 25dB lower in magnitude, and hence
the measurement is defined with one input tone 25dB
lower than the other. The IMD3 product of interest
(f1 - (f2 - f1)) presents itself as an undesired Doppler
error signal in ultrasound applications (see Figure 2).
-25dB
ULTRASOUND
IMD3
f1 - (f2 - f1)f2 + (f2 - f1)
f1
f2
Figure 2. Ultrasound IMD3 Measurement Technique
LSB
DIN
CLK
CS
tEWS
tCS
tCH
tCW
tEW
tES
D6
D5
D1
D0
MSB
NOTES:
DATA ENTERED ONE CLOCK RISING EDGE. REGISTER STATE CHARGE ON CS RISING EDGE.
DATA IS ENTERED LSB FIRST IF MORE THAN 7 BITS ARE ENTERED, THE EXTRA BITS MUST PRECEDE THE LSB.
Figure 1. Shift Register Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2077EVKIT# | 功能描述:射頻前端 Octal-Channel Ultrasound Front-End RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32 |
| MAX2078 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Octal-Channel Ultrasound Front-End with CW Doppler Mixers |
| MAX2078CTK+ | 功能描述:射頻前端 8Ch Ultrasound Front-End RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32 |
| MAX2078CTK+T | 功能描述:射頻前端 8Ch Ultrasound Front-End RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32 |
| MAX2078EVKIT | 功能描述:射頻前端 Ultrasound Integrated Analog Front End Octal LNA RoHS:否 制造商:Skyworks Solutions, Inc. 類型: 工作頻率:2.4 GHz, 5 GHz 最大數(shù)據(jù)速率:54 Mbps 噪聲系數(shù): 工作電源電壓:3.3 V 電源電流:180 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32 |
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