MAX2038 Maxim Integrated Products, MAX2038 Datasheet - Page 9

• Manufacturer Part Number: MAX2038
• Description: Ultrasound VGA Integrated
• Manufacturer: Maxim Integrated Products

(Figure 7, V
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
values are at V
-100
-10
-15
-20
-25
-30
-35
-40
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
vs. DIFFERENTIAL OUTPUT LOAD CAPACITANCE
-5
50
45
40
35
30
25
20
15
10
0
5
0
0.1
5
SAMPLE SIZE = 202 UNITS,
f
V
VG_CTL = +2V
V
f = 5MHz, GAIN = 10dB
IN_
OUT
OUT
= 5MHz, GAIN = 10dB
CC
LARGE-SIGNAL BANDWIDTH
= 0.5V
= 1V
DIFFERENTIAL OUTPUT LOAD (pF)
GAIN ERROR HISTOGRAM
25
HARMONIC DISTORTION
CC
1
= V
P-P
P-P
vs. FREQUENCY
FREQUENCY (MHz)
DIFFERENTIAL
GAIN ERROR (dB)
= V
P-P
REF
DIFFERENTIAL
45
_______________________________________________________________________________________
DIFFERENTIAL
REF
= 4.75V to 5.25V, V
10
SECOND HARMONIC
= 5V, T
65
THIRD HARMONIC
100
A
85
= +25°C, unless otherwise noted.)
1000
105
GND
= 0, PD = 0, VG_CLAMP_MODE = 1, f
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-15
-20
20
15
10
Typical Operating Characteristics (continued)
-5
0
0
5
0
OUTPUT COMMON-MODE OFFSET VOLTAGE
-15
0
0
vs. DIFFERENTIAL OUTPUT VOLTAGE
V
f = 5MHz, GAIN = 10dB
V
GAIN = 10dB
OUT
OUT
DIFFERENTIAL OUTPUT VOLTAGE (V
0.5
= 1V
= 1V
Ultrasound VGA Integrated
10
-5
HARMONIC DISTORTION
HARMONIC DISTORTION
P-P
P-P
SECOND HARMONIC
vs. FREQUENCY
DIFFERENTIAL
1.0
DIFFERENTIAL
FREQUENCY (MHz)
THIRD HARMONIC
20
vs. GAIN
5
GAIN (dB)
1.5
SECOND HARMONIC
30
15
THIRD HARMONIC
2.0
with CW Octal Mixer
40
25
2.5
P-P
)
3.0
50
35
RF
= 5MHz, capacitance to GND at each of the
-100
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
-10
-20
-30
-40
-50
-60
-70
200
180
160
140
120
100
80
60
vs. DIFFERENTIAL OUTPUT LOAD RESISTANCE
0
L
200
TWO-TONE ULTRASOUND-SPECIFIC IMD3
0.1
0
= 1kΩ, T
V
f = 5MHz, GAIN = 10dB
V
GAIN = 10dB
DIFFERENTIAL OUTPUT IMPEDANCE
OUT
OUT
500
MAGNITUDE vs. FREQUENCY
= 1V
= 1V
DIFFERENTIAL OUTPUT LOAD (Ω)
5
HARMONIC DISTORTION
P-P
P-P
A
800
vs. FREQUENCY
DIFFERENTIAL
DIFFERENTIAL
FREQUENCY (MHz)
FREQUENCY (MHz)
1
www.DataSheet4U.com
= 0°C to +70°C. Typical
10
1100
SECOND HARMONIC
15
THIRD HARMONIC
1400
10
20
1700
2000
100
25
9