MAX2035 Maxim Integrated Products, MAX2035 Datasheet - Page 4

• Manufacturer Part Number: MAX2035
• Description: Ultrasound Variable Gain Amplifier
• Manufacturer: Maxim Integrated Products

www.DataSheet4U.com
AC ELECTRICAL CHARACTERISTICS (continued)
(Figure 2, V
to GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
to +70°C. Typical values are at V
Ultrasound Variable-Gain Amplifier
4
Note 1: Specifications at T
Note 2: Noise performance of the device is dependent on the noise contribution from the supply to V
Note 3: See the Ultrasound-Specific IMD3 Specification section.
(Figure 2, V
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, R
ues are at V
Channel-to-Channel Crosstalk
Maximum Output Voltage at
Clamp ON
Maximum Output Voltage at
Clamp OFF
_______________________________________________________________________________________
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
REF
PARAMETER
2.5
CC
CC
CC
OVERDRIVE PHASE DELAY
V
V
GAIN = 20dB
. V
IN1
IN2
= 4.75V to 5.25V, V
5.0
= V
= V
CC
= 35mV
= 87.5mV
vs. FREQUENCY
FREQUENCY (MHz)
REF
REF
7.5 10.0 12.5 15.0
and V
P-P
= 4.75V to 5.25V, GND = 0V, PD = 0, VG_CLAMP_MODE = 1, f
P-P
= 5V, V
DIFFERENTIAL
DIFFERENTIAL
REF
A
= +25°C and T
can be connected together to share the same supply voltage if the supply for V
CM
CC
CM
= 3.0V, T
17.5 20.0
= V
SYMBOL
= 3/5 V
REF
A
= 5V, T
A
CC
= +25°C, unless otherwise noted.)
= +70°C are guaranteed by production test. Specifications at T
, V
-30
-40
-50
-60
-70
-80
-90
V
VG_CTL set for +20dB 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
REF
A
OUT
0
POWER-SUPPLY MODULATION RATIO
= +25°C, unless otherwise noted.) (Note 1)
= 5.0V, GND = 0V, PD = 0, VG_CLAMP_MODE = 1, f
25
= 1V
P-P
P-P
V
V
OUT
MOD
50
differential input
differential input
P-P
= 1.5V
= 50mV
FREQUENCY (kHz)
GAIN = 20dB
75
differential, f
CONDITIONS
P-P
P-P
100 125 150
DIFFERENTIAL
, f
CARRIER
Typical Operating Characteristics
= 5MHz,
RF
= 10MHz,
175 200
RF
= 5MHz, capacitance to GND at each of the
-10
-20
-30
-40
-50
-60
-70
-80
L
0
-15
= 1kΩ, T
TWO-TONE ULTRASOUND-SPECIFIC
MIN
-5
V
GAIN = 20dB
OUT
REF
A
f
= 10MHz
= 1V
f
= 2MHz, 5MHz
IMD3 vs. GAIN
. Use a low-noise supply for
= 0°C to +70°C. Typical val-
5
P-P
TYP
RF
-80
GAIN (dB)
2.2
3.4
CC
A
DIFFERENTIAL
15
= 5MHz, capacitance
= 0°C are guaranteed
exhibits low noise.
L
25
= 1kΩ, T
MAX
35
d i ffer enti al
d i ffer enti al
A
UNITS
= 0°C
V
V
45
dB
P-P
P-P