diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 6aa672177970..3cde89c06ca3 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -2727,7 +2727,7 @@ static const struct stm32_adc_cfg stm32h7_adc_cfg = {
 	.set_ovs = stm32h7_adc_set_ovs,
 };
 
-static const unsigned int stm32_adc_min_ts_mp1[] = { 100, 100, 100, 4300, 9800 };
+static const unsigned int stm32_adc_min_ts_mp1[] = { 100, 0, 0, 4300, 9800 };
 static_assert(ARRAY_SIZE(stm32_adc_min_ts_mp1) == STM32_ADC_INT_CH_NB);
 
 static const struct stm32_adc_cfg stm32mp1_adc_cfg = {
@@ -2749,7 +2749,7 @@ static const struct stm32_adc_cfg stm32mp1_adc_cfg = {
 	.set_ovs = stm32h7_adc_set_ovs,
 };
 
-static const unsigned int stm32_adc_min_ts_mp13[] = { 100, 0, 0, 4300, 9800 };
+static const unsigned int stm32_adc_min_ts_mp13[] = { 1000, 1000, 1000, 4300, 9800 };
 static_assert(ARRAY_SIZE(stm32_adc_min_ts_mp13) == STM32_ADC_INT_CH_NB);
 
 static const struct stm32_adc_cfg stm32mp13_adc_cfg = {