SNOSDC1A June 2024 – October 2024 LMH1229 , LMH1239
PRODUCTION DATA
The LMH12x9 default loop bandwidth setting is optimized for a wide variety of applications. For diagnostic or cascade applications, the SDI_OUT cable driver output can be used for monitoring, fanout, or cable extender purposes. To minimize the impact of jitter peaking caused by multiple cascaded devices having the same CDR loop bandwidth setting, the LMH12x9 CDR loop bandwidth can be increased or decreased from the default setting by pin strap (LOOP_BW_SEL) or by register control. Refer to CDR Loop Bandwidth Control for information regarding CDR loop bandwidth control. For more granular loop bandwidth control than the LOOP_BW_SEL pin strap options, refer to the LMH12x9 Programming Guide.