MAX2037 Maxim Integrated Products, MAX2037 Datasheet - Page 5
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MAX2037
Manufacturer Part Number
MAX2037
Description
Ultrasound Variable Gain Amplifier
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX2037.pdf
(12 pages)
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(Figure 2, V
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
values are at V
CC
CC
= V
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-60
-65
-70
-75
-80
-85
-90
-95
0
= V
REF
-15
-15
OUTPUT 1V
V
V
f = 10MHz, ADJACENT CHANNELS
_______________________________________________________________________________________
CHANNEL-TO-CHANNEL CROSSTALK
OUT
OUT
REF
SECOND HARMONIC DISTORTION
= 4.75V to 5.25V, GND = 0V, PD = 0, VG_CLAMP_MODE = 1, f
OVERLOAD RECOVERY TIME
= 1.5V
= 1V
f = 5MHz
-5
-5
= 5V, T
P-P
P-P
f = 12MHz
P-P
TO OVERLOAD AND BACK TO 1V
DIFFERENTIAL
DIFFERENTIAL
5
vs. GAIN
5
vs. GAIN
GAIN (dB)
400ns/div
GAIN (dB)
A
= +25°C, unless otherwise noted.)
Ultrasound Variable-Gain Amplifier
15
15
f = 2MHz
f = 5MHz
25
25
MAX2037toc06
P-P
Typical Operating Characteristics (continued)
35
35
DIFFERENTIAL
OUTPUT
1.0V/div
DIFFERENTIAL
INPUT
1.0V/div
-110
-100
-30
-40
-50
-60
-70
-80
-90
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
-15
1
OUTPUT 100mV
AND BACK TO 100mV
V
GAIN = 10dB, ADJACENT CHANNELS
V
CHANNEL-TO-CHANNEL CROSSTALK
OUT
OUT
THIRD HARMONIC DISTORTION
OVERLOAD RECOVERY TIME
= 1V
= 1V
-5
P-P
P-P
vs. FREQUENCY
RF
P-P
DIFFERENTIAL
FREQUENCY (MHz)
DIFFERENTIAL
f = 5MHz
f = 2MHz
TO OVERLOAD
= 5MHz, capacitance to GND at each of the
P-P
vs. GAIN
5
GAIN (dB)
400ns/div
10
L
15
f = 12MHz
= 1kΩ, T
f = 5MHz
25
MAX2037toc07
A
100
= 0°C to +70°C. Typical
35
DIFFERENTIAL
OUTPUT
2.0V/div
DIFFERENTIAL
INPUT
2.0V/div
5