Linear Technology Corp., Milpitas, CA, offers its LT6604-2.5, LT6604-5, LT6604-10, and LT6604-15 high-performance dual fixed-frequency low-pass active filters/amplifiers for a range of wireless communications and industrial signal processing equipment applications. Cutoff frequencies are 2.5 MHz, 5 MHz, 10 MHz, and 15 MHz, respectively. The series consists of two matched, fully differential amplifiers combined with fourth-order filters approximating a Chebyshev low-pass response. Each device offers matched amplitude and phase characteristics and the differential output stage of each filter is designed to drive directly into high-sampling rate ADCs with minimum distortion and high signal-to-noise performance. Each amplifier has a min. output swing of 2 Vp-p and adjustable common-mode voltage. Total quiescent supply current is 26 mA/channel.
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