STW81103AT

One of the standout features of the STW81103AT is its low power consumption, with a quiescent current of only 3.5uA. This makes it ideal for applications where power efficiency is crucial. The device also boasts a manual reset input, power-on reset delay, and reset timeout period, further enhancing its functionality and reliability. Its compact 8-pin SOIC package simplifies integration into automotive ECUs and other electronic systems

主な特長

• Integer-N frequency synthesizer
• Dual differential integrated VCOs with automatic center frequency calibration:
• – 2500 - 3050 MHz (direct output)
• – 4350 - 5000 MHz (direct output)
• – 1250 - 1525 MHz (internal divider by 2)
• – 2175 - 2500 MHz (internal divider by 2)
• – 625 - 762.5 MHz (internal divider by 4)
• – 1087.5 - 1250 MHz (internal divider by 4)
• 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 (fast mode) with 3 bit programmable address (1100A2A1A0)
• 3.3 V power supply
• Power down mode (hardware and software)
• Small size exposed pad VFQFPN28 package 5 mm x 5 mm x 1.0 mm
• Process: BICMOS 0.35 µm SiGe