LTC5588IPF-1#PBF

LTC5588-1 is a direct conversion I/Q modulator designed for high performance wireless applications. It allows direct modulation of an RF signal using differential baseband I and Q signals. It supports LTE, GSM, EDGE, TD-SCDMA, CDMA, CDMA2000, W-CDMA, WiMax and other communication standards. It can also be configured as an image reject upconverting mixer, by applying 90° phase-shifted signals to the I and Q inputs. The I/Q baseband inputs drive double-balanced mixers. An on-chip balun converts the differential mixer signals to a 50 ohm single-ended RF output. Four balanced I and Q baseband input ports are DC-coupled with a common mode voltage level of 0.5V. The LO path consists of an LO buffer with single-ended or differential inputs and precision quadrature generators to drive the mixers. It is used in applications such as image reject upconverters, point-to-point microwave links, broadcast modulator, military radio etc.

• Frequency range from 200MHz to 6000MHz
• Single pin calibration to optimize OIP3
• Output 3rd-order intercept is 31.3dBm typ at (fLO = 900MHz, fRF = 899.9MHz)
• RF output noise floor is -160.6dBm/Hz typ at (fLO = 1900MHz, fRF = 1899.9MHz, PLOM = 0dBm)
• Integrated LO buffer and LO quadrature phase generator
• High impedance DC interface to baseband inputs with 0.5V common mode voltage
• Temperature sensor (thermistor)
• Supply voltage range from 3.15V to 3.45V
• Fast turn-Off is 10ns typ, turn-On time is 17ns typ
• Operating temperature range from -40°C to 85°C, package style is 24-lead plastic UTQFN

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