参数资料
型号: MAX2077CTK+T
厂商: Maxim Integrated Products
文件页数: 18/20页
文件大小: 0K
描述: IC FRONT-END ULTRASOUND 68TQFN
应用说明: Ultrasound Imaging Systems Application Note
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 超声波接收器
应用: 医疗用超声波成像,声纳
安装类型: 表面贴装
封装/外壳: 68-TQFN 裸露焊盘
供应商设备封装: 68-TQFN-EP(10x10)
包装: 带卷 (TR)
MAX2077
Octal-Channel Ultrasound Front-End
_______________________________________________________________________________________
7
SECOND- AND THIRD-HARMONIC
DISTORTION vs. FREQUENCY
MAX2077
toc10
FREQUENCY (MHz)
HD2
AND
HD3
(dBc)
15
10
5
-70
-60
-50
-40
-30
-80
020
VOUT = 1VP-P
GAIN = 26dB
HD2
HD3
SECOND- AND THIRD-HARMONIC DISTORTION
vs. DIFFERENTIAL OUTPUT RESISTANCE
MAX2077
toc11
DIFFERENTIAL OUTPUT RESISTANCE (I)
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
MAX2077
toc12
DIFFERENTIAL OUTPUT LOAD CAPACITANCE (pF)
HD2
AND
HD3
(dBc)
80
60
40
20
-80
-70
-60
-50
-40
-30
-90
0100
VOUT = 1VP-P
GAIN = 26dB
fRF = 5MHz
HD2
HD3
Typical Operating Characteristics (continued)
(
Typical Application Circuits, VREF = 2.475V to 2.525V, VCC1 = 3.3V, VCC2 = 4.75V, TA = +25°C, VGND = 0V, NP = 0, PD = 0,
D3/D2/D1/D0 = 1/0/1/0 (RIN = 200Ω, LNA gain = 18.5dB), D5/D4 = 1/1 (fC = 18MHz), fRF = 5MHz, RS = 200Ω, capacitance to GND
at each of the VGA differential outputs is 25pF, differential capacitance across VGA outputs is 15pF, RL = 1kΩ differential, reference
noise less than 10nV/√Hz from 1kHz to 20MHz, DOUT loaded with 10MΩ and 60pF, unless otherwise noted. All typical operating
curves have been taken with the MAX2077CTN+ package variant.)
THIRD-HARMONIC DISTORTION
vs. GAIN
MAX2077
toc07
GAIN (dB)
HD3
(dBc)
38
32
26
-80
-70
-60
-50
-40
-30
-90
20
44
VOUT = 1VP-P
fRF = 10MHz
fRF = 5MHz
fRF = 2MHz
TWO-TONE ULTRASOUND-SPECIFIC
IMD3 vs. GAIN
MAX2077
toc08
GAIN (dB)
IMD3
(dBc)
38
32
26
-70
-50
-30
-10
-90
20
44
VOUT = 1VP-P
fRF = 10MHz
fRF = 5MHz
fRF = 2MHz
SECOND- AND THIRD-HARMONIC
DISTORTION vs. VOUT_P-P
MAX2077
toc09
VOUT_P-P (V)
HD2
AND
HD3
(dBc)
0.8
0.6
0.4
0.2
-80
-70
-60
-50
-90
0
1.0
GAIN = 26dB
fRF = 5MHz
HD2
HD3
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