Master Oscillator Specifications - Measurement Computing Data Translation DT9857 User Manual

Master Oscillator Specifications

Table 31 lists the specifications for the master oscillator on the DT9857 and DT9857E modules.
Frequency
Accuracy at 25° C
Drift over temperature 0 to 70° C (Total)
Aging (first year)
Maximum error (first year)
a. The sample frequencies for the A/D and D/A subsystems are
independently programmable and are derived from the same 48 MHz
reference clock. Therefore, it is possible to establish a fixed relationship
between the A/D and D/A subsystem sample frequencies, including
setting them to the same frequency (30 kHz to 105.469 kHz). However, the
subsystems are not designed to be synchronous with each other.
Table 31: Master Oscillator Specifications
Feature
DT9857 and DT9857E
Specifications
a
48 MHz
±30 ppm
±50 ppm
±5 ppm
±85 ppm
Specifications
155