Typical Application Circuit, VREF
參數(shù)資料
型號(hào)： MAX2078CTK+
廠商： Maxim Integrated Products
文件頁數(shù)： 2/26頁
文件大?。?/td> 0K
描述： IC FRNT-END ULTRASOUND 8CH 68QFN
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
特色產(chǎn)品： MAX2078 Octal-Channel Ultrasound Front-End with CW Doppler Mixers
標(biāo)準(zhǔn)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
MAX2078
Typical Operating Characteristics (continued)
(
Typical Application Circuit, VREF = 2.475V to 2.525V, VCC1 = 3.13V to 3.47V, VCC2 = 4.5V to 5.25V, TA = 0°C to +70°C, VGND = 0V,
NP = 0, PD = 0, CLP = 0, D43/D42/D41/D40 = 1/0/1/0 (RIN = 200Ω, LNA gain = 18.5dB), D45/D44 = 1/1 (fC = 18MHz), fRF = fLO/16
= 5MHz, capacitance to GND at each of the VGA differential outputs is 25pF, differential capacitance across VGA outputs is 15pF,
RL = 1kΩ differential, RS = 200Ω, CI_, CQ_ pulled up to 11V through four separate 0.1% 162Ω resistors, the rise/fall time of the LVDS
clock driving the LO_ is required to be 0.5ns, reference noise less than 10nV/
√Hz from 1kHz to 20MHz, DOUT loaded with 10MΩ
and 60pF. Typical values are at VCC1 = 3.3V, VCC2 = 5V, TA = +25°C, unless otherwise noted.)
Octal-Channel Ultrasound Front-End
with CW Doppler Mixers
10
______________________________________________________________________________________
THIRD-HARMONIC DISTORTION
vs. GAIN
MAX2078
toc07
GAIN (dB)
HD3
(dBc)
38
32
26
-80
-70
-60
-50
-40
-30
-90
20
44
VOUT = 1VP-P
fRF = 10MHz
fRF = 2MHz
fRF = 5MHz
TWO-TONE ULTRASOUND-SPECIFIC IMD3
vs. GAIN
MAX2078
toc08
GAIN (dB)
IMD3
(dBc)
38
32
26
-70
-50
-30
-10
-90
20
44
VOUT = 1VP-P
fRF = 10MHz
fRF = 2MHz
fRF = 5MHz
SECOND- AND THIRD-HARMONIC
DISTORTION vs. VOUT_P-P
MAX2078
toc09
VOUT_P-P (V)
HD2
AND
HD3
(dBc)
0.8
0.6
0.4
0.2
-80
-70
-60
-50
-90
01.0
GAIN = 26dB
fRF = 5MHz
HD2
HD3
SECOND- AND THIRD-HARMONIC
DISTORTION vs. FREQUENCY
MAX2078
toc10
FREQUENCY (MHz)
HD2
AND
HD3
(dBc)
15
5
-70
-60
-50
-40
-30
-80
020
VOUT = 1VP-P
GAIN = 26dB
HD2
HD3
SECOND- AND THIRD-HARMONIC DISTORTION
vs. DIFFERENTIAL OUTPUT RESISTANCE
MAX2078
toc11
RESISTANCE (
Ω)
HD2
AND
HD3
(dBc)
900
800
700
600
500
400
300
-80
-70
-60
-50
-40
-30
-90
200
1000
VOUT = 1VP-P
GAIN = 26dB
fRF = 5MHz
HD2
HD3
SECOND- AND THIRD-HARMONIC DISTORTION
vs. DIFFERENTIAL OUTPUT LOAD CAPACITANCE
MAX2078
toc12
CAPACITANCE (pF)
HD2
AND
DH3
(dBc)
80
60
40
20
-80
-70
-60
-50
-40
-30
-90
0100
VOUT = 1VP-P
GAIN = 26dB
fRF = 5MHz
HD2
HD3
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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
MAX2079 制造商:未知廠家 制造商全稱:未知廠家 功能描述:每個(gè)通道具有獨(dú)立的混頻器，以優(yōu)化CWD靈敏度
MAX2079CXE+ 功能描述:射頻接收器 8Ch Ultrasound Front End w/ADC+CW Doppler RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel
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