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MAX2670GTB Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX2670GTB Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 9 page ����������������������������������������������������������������� Maxim Integrated Products 3 MAX2670 GPS/GNSS Front-End Amplifier Note 1: TA = +25NC and TA = +105NC are guaranteed by production test. At TA = -40NC, the minimum and maximum values are 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. Note 3: At TA = +25NC, the maximum value is guaranteed by design and characterization. Specification is corrected for board losses on the MAX2670 EV kit. AC ELECTRICAL CHARACTERISTICS (continued) (VCC = 3.0V to 5.5V, PIN = -40dBm, fIN = 1575MHz, TA = -40NC to +105NC. Typical values are at 5.0V and at TA = +25NC. Input matched to 50I, load = 50I, pin 7 open, unless otherwise noted.) (Note 1) Typical Operating Characteristics (PIN = -40dBm, fIN = 1575MHz, inputs and outputs are terminated to 50I, VCC = 5.0V, TA = +25NC, unless otherwise noted.) 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 |S11| -21 dB AMP 2 Output Return Loss |S22| -8.8 dB AMP 2 Reverse Isolation |S12| -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) TA = +105°C TA = +85°C TA = +25°C TA = -40°C |
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