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MAX2656EXT-T Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX2656EXT-T Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 14 page 1575MHz/1900MHz Variable-IP3 Low-Noise Amplifiers AC ELECTRICAL CHARACTERISTICS (MAX2656) (MAX2656 Evaluation Kit, VCC = +3V, PIN = -30dBm, fIN = 1960MHz, VRFOUT = GND through a 12k Ω resistor, RBIAS = 511Ω ±1%, TA = +25°C. Typical values are at VCC = +3V, TA = +25°C, unless otherwise noted.) (Note 6) PARAMETER CONDITIONS MIN TYP MAX UNIT Operating Frequency Range (Note 7) 1800 2000 MHz Gain, High-Gain Mode (Note 11) 12 13.5 dB Gain, Low-Gain Mode (Note 12) 0.8 dB Gain Variation Over Temperature TA = -40°C to +85°C 0.3 1.2 dB Gain Step 12.7 dB RBIAS = 511 Ω ± 1% 1.5 RBIAS = 715 Ω ± 1% -3 Input Third-Order Intercept Point (Note 13) Low-gain mode (Note 12) 7.2 dBm High-gain mode (Note 11) -7 Input 1dB Compression Point Low-gain mode (Note 12) -1.2 dBm High-gain mode (Note 11) 1.9 2.4 Noise Figure (Note 10) Low-gain mode (Note 12) 10.8 dB High-gain mode (Note 11) 14.4 Input Return Loss Low-gain mode (Note 12) 19.3 dB High-gain mode (Note 11) 10.7 Output Return Loss Low-gain mode (Note 12) 7.3 dB High-gain mode (Note 11) 28 Reverse Isolation Low-gain mode (Note 12) 25 dB Gain Step Response Time 3.2 µs Note 1: Devices are production tested at TA = +25°C. Minimum and maximum values are guaranteed by design and characteriza- tion over temperature and supply voltages to ±6 sigma. Note 2: Minimum DC voltage through a 10k Ω resistor that sets the MAX2654/MAX2655 to operate in normal mode and MAX2656 in low-gain mode. Note 3: Maximum DC voltage through a 10k Ω resistor that sets the MAX2654/MAX2655 to operate in shutdown mode and MAX2656 in high-gain mode. Note 4: DC current required when VRFOUT is connected to VCC through a 10k Ω resistor. Note 5: DC current required when VRFOUT is connected to GND through a 10k Ω resistor. Note 6: Guaranteed by design and characterization to ±3 sigma. Note 7: The part has been characterized at the specified frequency range. Operation outside of this range is possible, but not guaranteed. Note 8: Production tested at TA = +25°C. Note 9: Measured with two input tones, f1 = 1570MHz, f2 = 1580MHz, both at -30dBm per tone. Note 10: Excludes PC board losses of 0.2dB for MAX2654/MAX2655 and 0.25dB for MAX2656. Note 11: High-gain mode is set up by connecting RFOUT to GND through a 12k Ω resistor. Note 12: Low-gain mode is set up by connecting RFOUT to VCC through a 12k Ω resistor. Note 13: Measured with two input tones, f1 = 1955MHz, f2 = 1965MHz, both at -30dBm per tone. 4 ______________________________________________________________________________________ |
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