LTC6431-20 ACELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C (Note 3). VCC = 5V, ZSOURCE = ZLOAD = 50Ω unless otherwise noted.Measurements are performed using Test Circuit A, measuring from 50Ω SMA to 50Ω without de-embedding (Note 4). SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSFrequency = 700 MHz S21 Power Gain De-embedded to Package 20.8 dB OIP3 Output Third-Order Intercept Point POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade 40.7 dBm POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade 39.7 dBm IM3 Third-Order Intermodulation POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade –77.4 dBc POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade –75.4 dBc HD2 Second Harmonic Distortion POUT = 6dBm –42.1 dBc HD3 Third Harmonic Distortion POUT = 6dBm –60.7 dBc P1dB Output 1dB Compression Point 21.4 dBm NF Noise Figure De-embedded to Package 3.2 dB Frequency = 800MHz S21 Power Gain De-embedded to Package 20.8 dB OIP3 Output Third-Order Intercept Point POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade 39.2 dBm POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade 38.2 dBm IM3 Third-Order Intermodulation POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade –74.4 dBc POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade –72.4 dBc HD2 Second Harmonic Distortion POUT = 6dBm –40.5 dBc HD3 Third Harmonic Distortion POUT = 6dBm –63.1 dBc P1dB Output 1dB Compression Point 21.3 dBm NF Noise Figure De-embedded to Package 3.4 dB Frequency = 900MHz S21 Power Gain De-embedded to Package 20.8 dB OIP3 Output Third-Order Intercept Point POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade 38.5 dBm POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade 37.5 dBm IM3 Third-Order Intermodulation POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade –73.0 dBc POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade –71.0 dBc HD2 Second Harmonic Distortion POUT = 6dBm –37.1 dBc HD3 Third Harmonic Distortion POUT = 6dBm –60.4 dBc P1dB Output 1dB Compression Point 21.1 dBm NF Noise Figure De-embedded to Package 3.7 dB Frequency = 1000MHz S21 Power Gain De-embedded to Package 20.8 dB OIP3 Output Third-Order Intercept Point POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade 37.5 dBm POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade 36.5 dBm IM3 Third-Order Intermodulation POUT = 2dBm/Tone, ∆f = 1MHz, A-Grade –71.0 dBc POUT = 2dBm/Tone, ∆f = 1MHz, B-Grade –69.0 dBc HD2 Second Harmonic Distortion POUT = 6dBm –36.9 dBc HD3 Third Harmonic Distortion POUT = 6dBm –55.1 dBc P1dB Output 1dB Compression Point 20.8 dBc NF Noise Figure De-embedded to Package 3.8 dB Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 3: The LTC6431-20 is guaranteed functional over the case operating may cause permanent damage to the device. Exposure to any Absolute temperature range of –40°C to 85°C. Maximum Rating condition for extended periods may affect device Note 4: Small-signal parameters S and noise are de-embedded to the reliability and lifetime. package pins, while large-signal parameters are measured directly from Note 2: Guaranteed by design and characterization. This parameter is not the circuit. tested. 643120f For more information www.linear.com/LTC6431-20 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information DC Electrical Characteristics AC Electrical Characteristics Typical Performance Characteristics Block Diagram Test Circuit A Operation Applications Information Demo Board S Parameters Package Description Typical Application Related Parts
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