ADL5387ACPZ-WP

ADL5387 is a broadband quadrature I/Q demodulator that covers an RF/IF input frequency range from 30MHz to 2GHz. The ADL5387 demodulator offers outstanding dynamic range suitable for the demanding infrastructure direct-conversion requirements. The differential RF/IF inputs provide a well behaved broadband input impedance of 50 ohm and are best driven from a 1:1 balun for optimum performance. Ultrabroadband operation is achieved with a divide-by-2 method for local oscillator (LO) quadrature generation. Over a wide range of LO levels, excellent demodulation accuracy is achieved with amplitude and phase balances ~0.05dB and ~0.4°, respectively. Application includes QAM/QPSK RF/IF demodulators, W-CDMA/CDMA/CDMA2000/GSM, microwave point-to-(multi)point radios, broadband wireless and WiMAX, broadband CATVs.

• LO input at 2 × fLO 60MHz to 4GHz
• Input IP3: 31dBm at 900MHz, input IP2: 62dBm at 900MHz, input P1dB 13dBm at 900MHz
• Noise figure (NF) is 12dB at 140MHz, 14.7dB at 900MHz
• Voltage conversion gain is 4.3dB (typ, 450 ohm differential load on I and Q outputs at 900MHz)
• Quadrature demodulation accuracy (phase accuracy ~0.4°, amplitude balance ~0.05dB)
• Baseband I/Q drive 2V p-p into 200 ohm, single 5V supply
• LO frequency range from 0.06 to 4GHz (External input = 2xLO frequency)
• Demodulation bandwidth is 240MHz (typ, 1V p-p signal 3dB bandwidth)
• 0.1dB gain flatness is 40MHz (typ, VS = 5V, TA = 25°C)
• 24-lead LFCSP package, temperature range from -40°C to +85°C

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