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MAX2642 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX2642
Description  900MHz SiGe, High IP3, Low-Noise Amplifiers
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX2642 Datasheet(HTML) 3 Page - Maxim Integrated Products

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900MHz SiGe, High IP3,
Low-Noise Amplifiers
_______________________________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(MAX2642/MAX2643 EV kits, PRFIN = -30dBm, fRFIN = 900MHz, input and output are terminated to 50
Ω, VCC = +3.0V, TA = +25°C,
RBIAS = 510
Ω, unless otherwise noted.) (Note 12)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency Range
(Note 13)
800
1000
MHz
Gain (Note 14)
TA = +25
°C
14.5
16.7
19
dB
Gain Variation Over Temperature
TA = -40
°C to +85°C
±0.35
±0.75
dB
Attenuation Step
MAX2642 only
13
dB
RBIAS = 510
0
RBIAS = 806
-5
Input Third-Order Intercept Point
(Note 15)
RBIAS = 1.1k
-10
dBm
-18
Input 1dB Compression Point
MAX2642, low-gain mode
-17
dBm
1.35
1.6
Noise Figure (Note 16)
MAX2642, low-gain mode
4.3
dB
-10
-12
Input Return Loss
MAX2642, low-gain mode
-10
-18
dB
-10
-14
Output Return Loss
MAX2642, low-gain mode
-10
-11
dB
-20
-26
Reverse Isolation
MAX2642, low-gain mode
-10
-17
dB
Gain-Step Response Time
MAX2642
5
10
µs
MAX2643
6
10
Shutdown Response Time
MAX2642, through series switch at BIAS
12
µs
Note 1:
Devices are production tested at TA = +25°C. Minimum and maximum values are guaranteed by design and characterization
over temperature and supply voltage.
Note 2:
High-gain mode is set for the MAX2642 by connecting RFOUT to GND through a 33k
Ω resistor.
Note 3:
Low-gain mode is applicable only to the MAX2642 and is set by connecting RFOUT to VCC through a 33k
Ω resistor.
Note 4:
Maximum DC voltage through a 33k
Ω resistor that sets the MAX2642 to operate in high-gain mode.
Note 5:
Minimum DC voltage through a 33k
Ω resistor that sets the MAX2642 to operate in low-gain mode.
Note 6:
DC current required when RFOUT is connected to GND through a 33k
Ω resistor (MAX2642) and 10kΩ resistor (MAX2643).
Note 7:
DC current required when RFOUT is connected to VCC through a 33k
Ω resistor (MAX2642) and 10kΩ resistor (MAX2643).
Note 8:
Normal operation is set for the MAX2643 by connecting RFOUT to VCC through a 10k
Ω resistor.
Note 9:
Shutdown is set for the MAX2643 by connecting RFOUT to GND through a 10k
Ω resistor.
Note 10: Minimum DC voltage through a 10k
Ω resistor that sets the MAX2643 to operate in normal mode.
Note 11: Maximum DC voltage through a 10k
Ω resistor that sets the MAX2643 to operate in shutdown mode.
Note 12: Min/Max limits are guaranteed by design and characterization, except gain is production tested at TA = +25°C.
Note 13: The part has been characterized at the specified frequency range. Operation outside this range is possible but not guar-
anteed.
Note 14: Devices are production tested at TA = +25°C.
Note 15: Measured with two input tones, f1 = 895MHz and f2 = 905MHz, both at -30dBm per tone.
Note 16: Excludes PC board losses (0.25dB typical at the input of the MAX2642/MAX2643 EV kit).


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