FEATURES
Wideband IQ Demodulator with IIP2 and DC Offset Control DESCRIPTION
n 400MHz to 4GHz Operating Frequency n High IIP3: 28.7dBm at 700MHz, 25.7dBm at 1.95GHz n High IIP2: 70dBm at 700MHz, 60dBm at 1.95GHz n User Adjustable IIP2 Up to 80dBm n User Adjustable DC Offset Null n High Input P1dB: 16dBm at 1950MHz n I/Q Bandwidth of 530MHz or Higher n Image Rejection: 43dB at 1950MHz n Noise Figure: 13.5dB at 700MHz 12.7dB at 1.95GHz n Conversion Gain: 2.0dB at 700MHz 2.4dB at 1.95GHz n Single-Ended RF with On-Chip Transformer n Shutdown Mode n Operating Temperature Range (TC): –40°C to 105°C n 24-Lead 4mm × 4mm QFN Package APPLICATIONS
n LTE/W-CDMA/TD-SCDMA Base Station Receivers n Wideband DPD Receivers n Point-To-Point Broadband Radios n High Linearity Direct Conversion I/Q Receivers n Image Rejection Receivers The LTC®5585 is a direct conversion quadrature demodulator optimized for high linearity receiver applications in the 400MHz to 4GHz frequency range. It is suitable for communications receivers where an RF signal is directly converted into I and Q baseband signals with bandwidth of 530MHz or higher.
Linear Technology
