參數(shù)資料
型號： MAX2077CTK+
廠商： Maxim Integrated Products
文件頁數(shù)： 5/20頁
文件大?。?/td> 0K
描述： IC FRONT-END ULTRASOUND 68TQFN
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
標準包裝： 30
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： 68-TQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 68-TQFN-EP（10x10）
包裝： 管件
MAX2077
Octal-Channel Ultrasound Front-End
______________________________________________________________________________________
13
Detailed Description
The MAX2077 is a high-density, octal-channel ultra-
sound receiver optimized for low-cost, high-channel
count, high-performance portable and cart-based ultra-
sound applications. The integrated octal LNA, VGA,
and AAF offer a complete ultrasound imaging path
receiver solution.
Imaging path dynamic range has been optimized for
exceptional second-harmonic performance. The com-
plete imaging receive channel exhibits an exceptional
68dBFS* SNR at 5MHz. The bipolar front-end has also
been optimized for exceptionally low near-carrier mod-
ulation noise for exceptional low-velocity pulsed and
color-flow Doppler sensitivity under high-clutter condi-
tions, achieving an impressive near-carrier SNR of
140dBc/Hz at 1kHz offset from a VOUT = 1VP-P, 5MHz
clutter signal. To add CW Doppler capability, replace
the MAX2077 with the MAX2078.
Modes of Operation
The MAX2077 requires programming before it can be
used. The operating modes are controlled by the
D0–D6 programming bits. Tables 1 and 2 show the
functions of these programming bits.
Low-Noise Amplifier (LNA)
The MAX2077’s LNA is optimized for excellent dynamic
range and linearity performance characteristics, mak-
ing it ideal for ultrasound imaging applications. When
the LNA is placed in low-gain mode, the input resis-
tance (RIN), being a function of the gain A (RIN =
RF/(1+A)), increases by a factor of approximately 2.
BIT NAME
DESCRIPTION
D0, D1, D2
Input-impedance programming
D3
LNA gain (D3 = 0 is low gain)
D4, D5
Anti-alias filter fC programming
D6
Don’t care
Table 1. Summary of Programming Bits
D6
D5
D4
D3
D2
D1
D0
MODE
X
1
0
RIN = 50 , LNA gain = 18.5dB
X
1
0
1
RIN = 100
X
1
0
1
0
RIN = 200
X
1
0
1
RIN = 1000
X
0
RIN = 100 , LNA gain = 12.5dB
X
0
1
RIN = 200
X
0
1
0
RIN = 400
X
0
1
RIN = 2000
X
1
X
Open feedback, LNA gain = 18.5dB
X
0
X
fC = 9MHz
X
0
1
X
fC = 10MHz
X
1
0
X
fC = 15MHz
X
1
X
fC = 18MHz
Table 2. Logic Functions of Programming Bits
X = Don’t care.
*
When coupled with the MAX1437B ADC.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX2077CTK+ 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
MAX2077CTK+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
MAX2077CTN+ 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
MAX2077CTN+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
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
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