MAX2037CCQ+ Maxim Integrated Products, MAX2037CCQ+ Datasheet - Page 4

• 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
AC ELECTRICAL CHARACTERISTICS (continued)
(Figure 2, V
5MHz, capacitance to GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF,
R
Note 2: Specifications at T
Note 3: Noise performance of the device is dependent on the noise contribution from the supply to V
Note 4: See the Ultrasound-Specific IMD3 Specification in the Applications Information section.
(Figure 2, V
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
values are at V
4
Channel-to-Channel Crosstalk
Maximum Output Voltage at
Clamp ON
Maximum Output Voltage at
Clamp OFF
L
= 1kΩ. Typical values are at V
_______________________________________________________________________________________
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
by design and characterization.
V
V
V
GAIN = 20dB
REF
IN1
IN2
PARAMETER
2.5
CC
CC
= 35mV
= 87.5mV
. V
OVERDRIVE PHASE DELAY
CC
= V
5.0
= V
CC
P-P
vs. FREQUENCY
FREQUENCY (MHz)
= V
P-P
REF
REF
7.5
and V
DIFFERENTIAL
DIFFERENTIAL
REF
= 4.75V to 5.25V, V
10.0 12.5 15.0 17.5 20.0
= 4.75V to 5.25V, V
REF
= 5V, T
A
= +25°C and T
can be connected together to share the same supply voltage if the supply for V
CC
A
= +25°C, unless otherwise noted.)
= V
SYMBOL
REF
GND
CM
A
= 5V, T
= +70°C are guaranteed by production test. Specifications at T
= 0, PD = 0, VG_CLAMP_MODE = 1, f
= (3/5)V
-100
V
VG_CTL set for +10dB of gain
VG_CLAMP_MODE = 0,
VG_CTL set for +20dB of gain,
350mV
VG_CLAMP_MODE = 1,
VG_CTL set for +20dB of gain,
350mV
-40
-50
-60
-70
-80
-90
OUT
A
0
= +25°C, unless otherwise noted.) (Note 2)
POWER SUPPLY MODULATION RATIO
= 1V
REF
P-P
P-P
25
, T
P-P
differential input
differential input
50
V
V
GAIN = 10dB
A
OUT
MOD
FREQUENCY (kHz)
differential, f
= 0°C to +70°C, V
75
CONDITIONS
= 1.5V
= 50mV
100 125 150 175 200
P-P
P-P
Typical Operating Characteristics
DIFFERENTIAL
, f
CARRIER
RF
= 10MHz,
= 5MHz,
GND
RF
= 0, PD = 0, VG_CLAMP_MODE = 1, f
= 5MHz, capacitance to GND at each of the
-10
-20
-30
-40
-50
-60
-70
-80
L
0
= 1kΩ, T
-15
MIN
TWO-TONE ULTRASOUND-SPECIFIC
REF
-5
. Use a low noise supply for
A
TYP
-80
2.4
2.8
= 0°C to +70°C. Typical
CC
IMD3 vs. GAIN
A
f = 2MHz
= 0°C are guaranteed
5
f = 10MHz
GAIN (dB)
V
exhibits low noise.
OUT
= 1V
MAX
15
f = 5MHz
P-P
DIFFERENTIAL
d i ffer enti al
d i ffer enti al
25
UNITS
V
V
dB
P-P
P-P
RF
35
=