Features

• Up or Downconverting Applications
• Noise Figure: 9.3dB Typical at 900MHz Output
• Conversion Gain: 2.4dB Typical
• IIP3: 9dBm Typical at ICC = 10mA
• Adjustable Supply Current: 4mA to 13.4mA
• Low LO Drive Level: –2dBm
• Single-Ended or Differential LO
• High Port-to-Port Isolation
• Enable Control with Low Off-State Leakage Current
• Single 2.7V to 5V Supply
• Small 3mm × 3mm DFN Package

Typical Application

Description

The LT5560 is a low power, high performance broadband active mixer. This double-balanced mixer can be driven by a single-ended LO source and requires only –2dBm of LO power. The balanced design results in low LO leakage to the output, while the integrated input amplifier provides excellent LO to IN isolation. The signal ports can be impedance matched to a broad range of frequencies, which allows the LT5560 to be used as an up- or down-conversion mixer in a wide variety of applications.

The LT5560 is characterized with a supply current of 10mA; however, the DC current is adjustable, which allows the performance to be optimized for each application with a single resistor. For example, when biased at its maximum supply current (13.4mA), the typical upconverting mixer IIP3 is +10.8dBm for a 900MHz output.