MAX2079CXET 查看數據表（PDF） - Maxim Integrated
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MAX2079CXET Datasheet PDF : 49 Pages
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MAX2079
Low-Power, High-Performance, Fully Integrated
Octal Ultrasound Receiver (Octal LNA, VGA,
AAF, ADC, and CWD Beamformer)
Typical Operating Characteristics
(Typical values are at VREF = 2.5V, VCC3 = 3.3V, VCC5 = 4.75V, VAVDD = VOVDD = 1.8V, VGC+ - VGC- = 0V, TA = +25°C, unless
otherwise noted.) (Note 3)
GAIN vs. DIFFERENTIAL
ANALOG CONTROL VOLTAGE
50
40
30
20
10
0
-3 -2 -1 0 1 2 3
CONTROL VOLTAGE (V)
COMPLEX INPUT IMPEDANCE MAGNITUDE
vs. FREQUENCY (LNA GAIN = 18.5dB, 100I)
180
15
160
10
140
5
120
0
100
-5
80
IMAGINARY
-10
REAL
60
-15
40
-20
20
-25
0
-30
0
5
10
15
20
25
FREQUENCY (MHz)
COMPLEX INPUT IMPEDANCE MAGNITUDE
vs. FREQUENCY (LNA GAIN = 18.5dB, 1000I)
1200
0
COMPLEX INPUT IMPEDANCE MAGNITUDE
vs. FREQUENCY (LNA GAIN = 18.5dB, 50I)
90
50
80
40
70
REAL
30
60
50
20
40
10
30
IMAGINARY
0
20
-10
10
0
-20
0
5
10
15
20
25
FREQUENCY (MHz)
COMPLEX INPUT IMPEDANCE MAGNITUDE
vs. FREQUENCY (LNA GAIN = 18.5dB, 200I)
250
0
-20
200
REAL
-40
150
-60
100
IMAGINARY
-80
-100
50
-120
0
-140
0
5
10
15
20
25
FREQUENCY (MHz)
GAIN DISTRIBUTION
(VGC+ - VGC- = 0V)
35
1000
800
600
400
200
0
0
Maxim Integrated
REAL
IMAGINARY
5
10
15
20
FREQUENCY (MHz)
-100
-200
-300
-400
-500
-600
25
30
25
20
15
10
5
0
GAIN (dB)
11
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