SKY74038

www.DataSheet4U.com DATA SHEET SKY74038: 2.6 GHz/800 MHz Dual Fractional-N/lnteger-N Frequency Synthesizer Applications Multi-slot GSM/DCS PCS/W-CDMA Portable communication systems Dual-mode cellular telephone systems Spread spectrum receivers Wireless LAN systems Wireless routers and WLL systems SATCOM receivers Description Skyworks SKY74038 is a complete, low-power 2.6 GHz/800 MHz dual frequency synthesizer. The device provides both Radio Frequency (RF) channels and Intermediate Frequency (IF) channels. Fractional-N operation offers low phase noise, fast settling time, and low spurious tones for RF channels. A standard integer-N division is used for IF channels. The three-wire serial interface provides programmable control of the frequency synthesizer to support dual-conversion transceivers. The SKY74038 is available as a 20-pin Thin Shrink Small Outline Package (TSSOP) (-13 option) or as a Pb-free 20-pin TSSOP (-21 option). The device package and pin configuration are shown in Figure 1. A functional block diagram of the SKY74038 is shown in Figure 2. Features Maximum operating frequency: 2.6 GHz Maximum IF synthesizer frequency: 800 MHz Supply voltage as low as 2.6 V Fast frequency settling time with fractional-N operation Internal fractional spur reduction Programmable charge pump currents Digital lock detector Power saving at lower frequency Two package options, both 20-pin, 6.5 x 4.4 x 1.0 mm TSSOPs: − SKY74038-13 (MSL3, 225 °C per ...