Datasheet

www.ti.com Evaluating with the ADCPro Software
9.1.2 Clocks Tab
The ADS1258 requires a clock to operate. This clock may be selected on this tab, as shown in Figure 26,
using the Clock Source controls.
Figure 26. Clock Settings
The ADS1258 can operate from a 32kHz crystal, and using an internal PLL, generate a 15.729MHz clock.
If the Internal setting is selected, this frequency is displayed in the Clock Frequency control.
When MMB0 is selected, a 4MHz to 20MHz clock is supplied to the ADS1258EVM. The default frequency
is 16MHz, but it can be adjusted in the Clock Frequency control.
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SBAU126C– May 2007– Revised May 2011 ADS1158EVM, ADS1258EVM, ADS1158EVM-PDK, and ADS1258EVM-PDK
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