MAX2037CCQ+ Maxim Integrated Products, MAX2037CCQ+ Datasheet - Page 6

• 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

Ultrasound Variable-Gain Amplifier
(Figure 2, V
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
values are at V
6
_______________________________________________________________________________________
-10
-10
-15
-20
-25
-30
-35
30
25
20
15
10
50
40
30
20
10
-5
-5
5
0
0
5
0
0.1
-15
0.1
V
VG_CTL = -1V
OUTPUT-REFERRED NOISE VOLTAGE
f = 5MHz
V
VG_CTL = +1.7V
OUT
OUT
CC
LARGE-SIGNAL BANDWIDTH
= 1.5V
LARGE-SIGNAL BANDWIDTH
= 1V
-5
CC
= V
1
P-P
1
P-P
vs. FREQUENCY
vs. FREQUENCY
FREQUENCY (MHz)
= V
FREQUENCY (MHz)
DIFFERENTIAL
P-P
REF
DIFFERENTIAL
P-P
vs. GAIN
5
DIFFERENTIAL
GAIN (dB)
REF
DIFFERENTIAL
= 4.75V to 5.25V, V
10
10
= 5V, T
15
100
100
A
25
= +25°C, unless otherwise noted.)
1000
1000
35
GND
= 0, PD = 0, VG_CLAMP_MODE = 1, f
Typical Operating Characteristics (continued)
-10
-15
-20
-10
-15
-20
-25
-30
-35
-40
-15
-25
20
15
10
35
25
15
-5
-5
-5
5
0
0
5
-2.5
0.1
0.1
V
VG_CTL = +0.6V
V
VG_CTL = +2V
OUT
OUT
GAIN vs. DIFFERENTIAL ANALOG
CONTROL VOLTAGE (VG_CTL)
LARGE-SIGNAL BANDWIDTH
= 1.5V
LARGE-SIGNAL BANDWIDTH
= 0.5V
-1.5
VG_CTL (V
1
1
P-P
P-P
vs. FREQUENCY
vs. FREQUENCY
FREQUENCY (MHz)
FREQUENCY (MHz)
P-P
DIFFERENTIAL
DIFFERENTIAL
P-P
-0.5
DIFFERENTIAL
P-P
DIFFERENTIAL
10
10
DIFFERENTIAL)
0.5
100
100
f = 5MHz
1.5
1000
1000
2.5
RF
= 5MHz, capacitance to GND at each of the
-100
-10
-15
-20
-25
-30
-10
-20
-30
-40
-50
-60
-70
-80
-90
40
35
30
25
20
15
10
10
-5
L
5
0
5
0
0
= 1kΩ, T
0.1
0.1
0
V
VG_CTL = -2V
V
VG_CTL = +1.5V
vs. DIFFERENTIAL OUTPUT VOLTAGE
V
f = 5MHz, GAIN = 10dB
OUT
OUT
OUT
DIFFERENTIAL OUTPUT VOLTAGE (V
LARGE-SIGNAL BANDWIDTH
LARGE-SIGNAL BANDWIDTH
0.5
= 1.5V
= 1.5V
= 1V
HARMONIC DISTORTION
1
1
P-P
A
SECOND HARMONIC
P-P
P-P
vs. FREQUENCY
vs. FREQUENCY
FREQUENCY (MHz)
FREQUENCY (MHz)
DIFFERENTIAL
1.0
= 0°C to +70°C. Typical
P-P
DIFFERENTIAL
DIFFERENTIAL
THIRD HARMONIC
P-P
DIFFERENTIAL
10
10
1.5
2.0
100
100
2.5
P-P
)
1000
1000
3.0