MAX2037 Maxim Integrated Products, MAX2037 Datasheet - Page 3

• Manufacturer Part Number: MAX2037
• Description: Ultrasound Variable Gain Amplifier
• Manufacturer: Maxim Integrated Products

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AC ELECTRICAL CHARACTERISTICS
(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
Full-Scale Bandwidth
Small Signal Bandwidth
Differential Input Resistance
Input Effective Capacitance
Differential Output Resistance
Maximum Gain
Minimum Gain
Gain Range
Absolute Gain Error
VGA Gain Response Time
Input-Referred Noise
Output-Referred Noise
Second Harmonic
Third-Order Intermodulation
Distortion
L
= 1kΩ. Typical values are at V
PARAMETER
CC
= V
REF
_______________________________________________________________________________________
= 4.75V to 5.25V, V
CC
Ultrasound Variable-Gain Amplifier
= V
SYMBOL
f -1.3dB
f -1.3dB
R
IMD3
REF
HD2
R
C
OUT
CM
IN
IN
= 5V, T
= 2.85V to 3.15V, T
V
1.3dB
bandwidth, gain
= 10dB
V
gain = 10dB
f
40dB gain change to within 1dB final value
VG_CTL set for maximum gain,
no input signal
VG_CTL set for
+10dB of gain
VG_CLAMP_MODE = 1,
VG_CTL set for +10dB of gain,
f
VG_CLAMP_MODE = 1,
VG_CTL set for +10dB of gain,
f
VG_CLT set for +10dB of gain, f
f
T
RF
RF
RF
RF2
A
OUT
OUT
A
= +25°C, unless otherwise noted.) (Note 1)
= +25°C, full gain range 0% to 100%
= 10MHz, each input to ground
= 5MHz, V
= 10MHz, V
= 5.01MHz, V
= 1.5V
= 1.5mV
P-P
OUT
P-P
A
CONDITIONS
OUT
,
= 0°C to +70°C, GND = 0V, PD = 0, VG_CLAMP_MODE = 1, f
, 3dB bandwidth,
OUT
= 1.5V
Differential output
capacitance is 10pF,
capacitance to GND at
each single-ended
output is 60pF, R
No capacitive load
R
No input signal
V
1kHz offset
= 1.5V
L
OUT
= 1kΩ
= 1.5V
P-P
= 1.5V
P-P
P-P
P-P
RF1
(Note 3)
,
= 5MHz,
L
= 1kΩ
MIN
170
-55
-40
+29.5
±0.25
-12.5
TYP
200
100
-70
-65
-52
18
29
30
15
42
22
55
1
2
MAX
±1.0
230
nV/√Hz
nV/√Hz
UNITS
MHz
MHz
dBc
pF
dB
dB
dB
dB
dB
µs
Ω
Ω
RF
=
3