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PE4257 - SPDT Absorptive UltraCMOS DC 3.0GHz RF Switch

General Description

The PE4257 is a high-isolation UltraCMOS™ switch designed for wireless applications, covering a broad frequency range from near 10 MHz up to 3000 MHz.

This single-supply SPDT switch integrates a two-pin CMOS control interface.

Key Features

  •  50Ω characteristic impedance.
  •  Integrated 50Ω terminations.
  •  High input IP3 > +55 dBm.
  •  High isolation 64 dB at 1000 MHz.
  •  Low insertion loss: typically 0.75 dB at 1000 MHz and 0.95 dB at 2000 MHz.
  •  LV CMOS two-pin control.
  •  Single +3 volt supply operation.
  •  Low current consumption: 8 μA Figure 2. Package Type 20-Lead 4x4 mm QFN ESD RF1 50 ESD RF2 ESD 50 CMOS 50 Control Driver CTRL CTRL2 Table 1. Electrical Specifications @ +25 °C, VDD = 3.

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Product Description The PE4257 is a high-isolation UltraCMOS™ switch designed for wireless applications, covering a broad frequency range from near 10 MHz up to 3000 MHz. This single-supply SPDT switch integrates a two-pin CMOS control interface. It also provides low insertion loss with extremely low bias requirements while operating on a single +3 volt supply. In a typical wireless application, the PE4257 provides unprecedented isolation and integration. The PE4257 is manufactured on pSemi’s UltraCMOS™ process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS. Figure 1. Functional Diagram RFC Product Specification PE4257 50Ω SPDT Absorptive UltraCMOS™ 10 MHz – 3.