JAJSE32B October 2017 – January 2019 LMX2572
PRODUCTION DATA.
The OSCin pins are used as a frequency reference input to the device. The input is high impedance and requires AC-coupling capacitors at the pin. The OSCin pins can be driven single-ended with a CMOS clock, XO, or single-ended differential clock. Differential clock input is also supported, which makes the device easier to interface with high-performance system clock devices such as TI’s LMK series clock devices. As the OSCin signal is used as a clock for the VCO calibration, a proper reference signal must be applied at the OSCin pin at the time of programming FCAL_EN.