MAX2640EUT-T Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2640EUT-T Datasheet PDF : 9 Pages
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MAX2640/MAX2641
300MHz to 2500MHz SiGe
Ultra-Low-Noise Amplifiers
RF Electrical Characteristics (continued)
(VCC = +3.0V, PRFIN = -34dBm, ZO = 50Ω, TA = +25°C, unless otherwise noted.) (Notes 2 and 3)
PARAMETER
MAX2641 (fRFIN = 1575MHz)
Gain
CONDITIONS
MIN TYP MAX UNITS
15.7
dB
Noise Figure
(Note 4)
1.2
dB
Input Return Loss
-8
dB
Output Return Loss
-15
dB
Reverse Isolation
-31
dB
Input 1dB Gain Compression Point
-21
dBm
Input Third-Order Intercept Point
(Note 7)
+1.4
dBm
MAX2641 (fRFIN = 2450MHz)
Gain
13.5
dB
Noise Figure
(Note 4)
1.5
dB
Input Return Loss
-10
dB
Output Return Loss
-11
dB
Reverse Isolation
-24
dB
Input 1dB Gain Compression Point
-19
dBm
Input Third-Order Intercept Point
(Note 8)
-2.5
dBm
Note 2: Guaranteed by design and characterization.
Note 3: Measured using typical operating circuit. Input and output impedance matching networks were optimized for best simulta-
neous gain and noise-figure performance.
Note 4: External component and circuit losses degrade noise-figure performance. Specification excludes external component and
circuit board losses.
Note 5: Measured with two input tones, f1 = 899MHz, f2 = 901MHz, both at -34dBm per tone.
Note 6: Measured with two input tones, f1 = 1899MHz, f2 = 1901MHz, both at -34dBm per tone.
Note 7: Measured with two input tones, f1 = 1574MHz, f2 = 1576MHz, both at -34dBm per tone.
Note 8: Measured with two input tones, f1 = 2449MHz, f2 = 2451MHz, both at -34dBm per tone.
Typical Operating Characteristics
(VCC = +3V, PRFIN = -34dBm, Typical Operating Circuit, TA = +25°C, unless otherwise noted.)
MAX2640
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2640 MATCHED AT 900MHz
GAIN vs. FREQUENCY
6
16
3
TA = -40°C
5
TA = +85°C
4
TA = +25°C
15
TA = +25°C
2
3
TA = -40°C
14
TA = +85°C
2
1
13
1
MAX2640 MATCHED AT 900MHz
NOISE FIGURE vs. FREQUENCY
TA = +85°C
TA = +25°C
TA = -40°C
0
2
3
4
5
6
VCC (V)
12
800
840 880 920 960 1000
FREQUENCY (MHz)
0
800
840 880 920 960 1000
FREQUENCY (MHz)
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