MAX2037CCQ+ Maxim Integrated Products, MAX2037CCQ+ Datasheet - Page 7

• Manufacturer Part Number: MAX2037CCQ+
• Description: IC AMP VARIABLE GAIN 100-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Variable Gain Amplifierr

Specifications of MAX2037CCQ+

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