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ADS1x48EVM Overview
3.3 Clock Options
The ADS1x48 integrates a 4.096-MHz clock oscillator to provide the clock signal to the ADC. Additionally, the
ADS1x48 offers an external CLK input pin if an external clock signal is required. Choose between these flexible
clock options using the JP2 header on the ADS1x48EVM.
Enable the internal oscillator by connecting the shunt to the JP2-3 pin on the JP2 header. This pin is marked
GND on the
ADS1x48EVM
the JP2 header. This pin is marked EXT_CLK on the
is chosen, provide the external clock signal via the J4-40 pin on the J4 header. This pin and jumper JP2 are
highlighted in
Figure
3-4.
10
ADS1x48EVM Evaluation Module
silkscreen. Enable an external clock by connecting the shunt to the JP2-1 pin on
ADS1x48EVM
Figure 3-4. ADC Clock Options on the ADS1x48EVM
Copyright © 2022 Texas Instruments Incorporated
silkscreen. When the external clock option
SBAU378A – SEPTEMBER 2021 – REVISED JANUARY 2022
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