MAX2057 Maxim Integrated Products, MAX2057 Datasheet - Page 3
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MAX2057
Manufacturer Part Number
MAX2057
Description
1700MHz to 2500MHz Variable-Gain Amplifier
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX2057.pdf
(12 pages)
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AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit with one attenuator connected, V
Typical values are at V
second attenuator is not connected, T
Note 1: Total supply current reduces as R
Note 2: Operating outside this range for extended periods may affect device reliability. Limit pin input current to 40mA when V
Note 3: All limits include external component losses, unless otherwise noted.
Note 4: Noise figure increases by approximately 1dB for every 1dB of gain reduction.
Note 5: f
Note 6: Switching time is measured from 50% of the control signal to when the RF output settles to ±1dB.
Output 3rd-Order Intercept Point
Variation Over Temperature
2nd Harmonic
3rd Harmonic
RF Gain-Control Range
RF Gain-Control Slope
Maximum RF Gain-Control Slope
Gain Flatness Over
100MHz Bandwidth
Attenuator Switching Time
Attenuator Insertion Loss
Input Return Loss
Output Return Loss
Group Delay
Group Delay Flatness Over
100MHz Bandwidth
Group Delay Change vs. Gain
Control
Insertion Phase Change vs. Gain
Control
is not present.
1
PARAMETER
= 2100MHz, f
_______________________________________________________________________________________
CC
2
= 2101MHz, +5dBm/tone at OUT.
= +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, P
1700MHz to 2500MHz Variable-Gain
Amplifier with Analog Gain Control
T
T
From maximum gain to 15dB attenuation, P
From maximum gain to 15dB attenuation, P
f
V
V
Maximum slope vs. gain-control voltage
Peak-to-peak for all settings
15dB attenuation change (Note 6)
Second attenuator (IN_A, OUT_A)
Entire band, all gain settings
Entire band, all gain settings
Input/output 50Ω lines de-embedded
Peak to peak
V
V
RF
A
A
A
CNTL
CNTL
CNTL
CNTL
= +25°C, unless otherwise noted.) (Note 3)
= +25°C to +85°C
= +25°C to -40°C
= 1.7GHz to 2.2GHz,
1
= 1V to 4.5V
= 1.8V to 3.5V
= 1V to 4V
= 1V to 4V
and R
2
are increased.
CONDITIONS
CC
OUT
= +4.75V to +5.25V, T
= +5dBm, f
One attenuator
Two attenuators
IN
OUT
OUT
= 2100MHz, V
= +5dBm
= +5dBm
A
= -40°C to +85°C, unless otherwise noted.
CNTL
MIN
17
34
= 1V, 50Ω system impedance,
-0.83
-15.2
TYP
20.7
42.4
-0.6
500
300
-65
-83
-10
-70
0.5
2.2
18
15
20
50
MAX
degrees
UNITS
dB/V
dB/V
dBc
dBc
CC
dB
dB
dB
dB
dB
dB
ns
ps
ps
ps
3