MAX2038CCQ+ Maxim Integrated Products, MAX2038CCQ+ Datasheet - Page 9

• Manufacturer Part Number: MAX2038CCQ+
• Description: IC VGA W/OCTAL MIXER 8CH 100TQFP
• Manufacturer: Maxim Integrated Products
• Type: Variable Gain Amplifierr

Specifications of MAX2038CCQ+

• Applications: Medical Ultrasound Imaging, Sonar
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Figure 7, V
the 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
= V
GAIN ERROR (dB)
P-P
REF
DIFFERENTIAL
45
_______________________________________________________________________________________
DIFFERENTIAL
REF
10
= 4.75V to 5.25V, V
SECOND HARMONIC
= 5V, T
65
THIRD HARMONIC
100
A
85
= +25°C, unless otherwise noted.)
1000
105
GND
-100
-100
= 0V, PD = 0, VG_CLAMP_MODE = 1, f
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-15
-20
Typical Operating Characteristics (continued)
20
15
10
-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
-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
200
TWO-TONE ULTRASOUND-SPECIFIC IMD3
L
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
800
vs. FREQUENCY
A
DIFFERENTIAL
DIFFERENTIAL
FREQUENCY (MHz)
FREQUENCY (MHz)
1
= 0°C to +70°C. Typical
10
1100
SECOND HARMONIC
15
THIRD HARMONIC
1400
10
20
1700
2000
100
25
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