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MAX2670

GPS/GNSS Front-End Amplifier

guaranteed by design and characterization, unless otherwise noted.

Note 2: Measured using the MAX2670 evaluation board with a DC-blocking capacitor at the input of LNA 1.

losses on the MAX2670 EV kit.

AC ELECTRICAL CHARACTERISTICS (continued)

matched to 50I, load = 50I, pin 7 open, unless otherwise noted.) (Note 1)

Typical Operating Characteristics

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

AMP 2 Output Third-Order

Intercept Point

OIP3

Two tones at 1574.5MHz and 1575.5MHz,

-30dBm per tone

16.0

dBm

AMP 2 Output 1dB Compression

Point

5.3

dBm

AMP 2 Input Return Loss

-21

dB

AMP 2 Output Return Loss

-8.8

dB

AMP 2 Reverse Isolation

-25

dB

0.6

0.8

0.7

1.0

0.9

1.1

1.2

1.3

1.4

-40

0

20

-20

40

60

80

100

AMP 1 NOISE FIGURE vs. TEMPERATURE

(WITHOUT EXTERNAL INPUT IMPEDANCE MATCH)

TEMPERATURE (°C)

1.0

2.0

1.5

3.0

2.5

3.5

4.0

4.5

5.5

5.0

-40

0

20

-20

40

60

80

100

AMP 2 NOISE FIGURE vs. TEMPERATURE

TEMPERATURE (°C)

LOW-GAIN MODE

HIGH-GAIN MODE

22.5

21.5

24.5

23.5

26.5

25.5

27.5

3.0

4.0

3.5

4.5

5.0

5.5

SUPPLY VOLTAGE vs. CURRENT

(PIN 7 OPEN)

SUPPLY VOLTAGE (V)