MAX2038CCQ-TD(2009) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2038CCQ-TD Datasheet PDF : 23 Pages
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Ultrasound VGA Integrated
with CW Octal Mixer
Typical Operating Characteristics (continued)
(Figure 7, VCC = VREF = 4.75V to 5.25V, VGND = 0, PD = 0, VG_CLAMP_MODE = 1, fRF = 5MHz, capacitance to GND at each of the
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, RL = 1kΩ, TA = 0°C to +70°C. Typical
values are at VCC = VREF = 5V, TA = +25°C, unless otherwise noted.)
CHANNEL-TO-CHANNEL CROSSTALK
vs. GAIN
-60
VOUT = 1.5VP-P DIFFERENTIAL
-65 f = 10MHz, ADJACENT CHANNELS
-70
CHANNEL-TO-CHANNEL CROSSTALK
vs. FREQUENCY
-30
VOUT = 1VP-P DIFFERENTIAL
-40 GAIN = 10dB, ADJACENT CHANNELS
-50
OUTPUT-REFERRED NOISE VOLTAGE
vs. GAIN
50
f = 5MHz
40
-75
-80
-85
-90
-95
-100
-15
-5
5
15
25
35
GAIN (dB)
-60
-70
-80
-90
-100
-110
1
10
FREQUENCY (MHz)
30
20
10
0
100
-15
-5
5
15
25
35
GAIN (dB)
GAIN vs. DIFFERENTIAL ANALOG
CONTROL VOLTAGE (VG_CTL)
35
f = 5MHz
25
15
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
40
VOUT = 1.5VP-P DIFFERENTIAL
35 VG_CTL = -2VP-P DIFFERENTIAL
30
25
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
30
VOUT = 1.5VP-P DIFFERENTIAL
25 VG_CTL = -1VP-P DIFFERENTIAL
20
15
5
20
10
15
5
-5
10
0
-15
5
-5
-25
-2.5 -1.5 -0.5 0.5 1.5 2.5
VG_CTL (VP-P DIFFERENTIAL)
0
-10
0.1
1
10
100
1000
0.1
1
10
100
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
20
VOUT = 1.5VP-P DIFFERENTIAL
15 VG_CTL = +0.6VP-P DIFFERENTIAL
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
10
VOUT = 1.5VP-P DIFFERENTIAL
5 VG_CTL = +1.5VP-P
LARGE-SIGNAL BANDWIDTH
vs. FREQUENCY
5
VOUT = 1VP-P DIFFERENTIAL
0 VG_CTL = +1.7VP-P DIFFERENTIAL
10
0
-5
5
-5
-10
0
-10
-15
-5
-15
-20
-10
-20
-25
-15
-25
-30
-20
0.1
1
10
100
1000
FREQUENCY (MHz)
-30
0.1
1
10
100
1000
FREQUENCY (MHz)
-35
0.1
1
10
100
1000
FREQUENCY (MHz)
8 _______________________________________________________________________________________
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