STW81102

STW81102 Multi-band RF frequency synthesizer with integrated VCOs Feature summary ■ Integer-N Frequency Synthesizer www.DataSheet4U.com ■ Dual differential integrated VCOs with automatic center frequency calibration: – 3000 - 3620 MHz (Direct output) – 4000 - 4650 MHz (Direct output) – 1500 - 1810 MHz (Internal divider by 2) – 2000 - 2325 MHz (Internal divider by 2) – 750 - 905 MHz (Internal divider by 4) – 1000 - 1162.5 MHz (Internal divider by 4) ■ ■ ■ ■ VFQFPN28 Applications ■ ■ Excellent integrated phase noise Fast lock time: 150µs Dual modulus programmable prescaler (16/17 or 19/20) 2 programmable counters to achieve a feedback division ratio from 256 to 65551 (prescaler 16/17) and from 361 to 77836 (prescaler 19/20). Programmable reference frequency divider (10 bits) Phase frequency comparator and charge pump Programmable charge pump current Digital Lock Detector Dual Digital Bus Interface: SPI and I2C bus with 3 bit programmable address (1100A2A1A0) 3.3V Power Supply Power down mode (HW and SW) Small size exposed pad VFQFPN28 package 5x5x1.0mm Process: BICMOS 0.35µm SiGe 2.5G and 3G Cellular Infrastructure Equipment CATV Equipment ■ Instrumentation and Test Equipment ■ Other Wireless Communication Systems Description The STMicroelectronics STW81102 is an integrated RF synthesizer with voltage controlled oscillators (VCOs). Showing high performance, high integration, low power, and multi-band performances, STW81102 is a low cost one chip alternative to discrete PL...