Hi, sorry to trouble you. Can the 1.3V internal common-mode voltage reference(VCM_REF) of ADAS1000 output to the outside. If it can, how should I operate. Thank you.
It is not recommended but the common-mode signal can be driven from the internal VCM_REF (1.3 V) when Bits [23:19] = 0. The CM_OUT output is not intended to supply current or drive resistive loads, and its accuracy is degraded if it is used to drive anything other than the slave ADAS1000-2 devices. An external buffer is required if there is any loading on the CM_OUT pin.
Thangk you very much, Padraic
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