diff --git a/components/driver/adc.c b/components/driver/adc.c
index d634260e08..75cb91bccc 100644
--- a/components/driver/adc.c
+++ b/components/driver/adc.c
@@ -34,7 +34,6 @@
 
 #define ADC_MAX_MEAS_NUM_DEFAULT      (255)
 #define ADC_MEAS_NUM_LIM_DEFAULT      (1)
-#define SAR_ADC_CLK_DIV_DEFUALT       (2)
 
 #define DIG_ADC_OUTPUT_FORMAT_DEFUALT (ADC_DIG_FORMAT_12BIT)
 #define DIG_ADC_ATTEN_DEFUALT         (ADC_ATTEN_DB_11)
@@ -234,7 +233,7 @@ esp_err_t adc_i2s_mode_init(adc_unit_t adc_unit, adc_channel_t channel)
     adc_hal_dig_config_t dig_cfg = {
         .conv_limit_en = ADC_MEAS_NUM_LIM_DEFAULT,
         .conv_limit_num = ADC_MAX_MEAS_NUM_DEFAULT,
-        .clk_div = SAR_ADC_CLK_DIV_DEFUALT,
+        .clk_div = SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT,
         .format = DIG_ADC_OUTPUT_FORMAT_DEFUALT,
         .conv_mode = (adc_ll_convert_mode_t)adc_unit,
     };
diff --git a/components/soc/esp32/include/soc/adc_caps.h b/components/soc/esp32/include/soc/adc_caps.h
index fe8941ad5e..22a589ec28 100644
--- a/components/soc/esp32/include/soc/adc_caps.h
+++ b/components/soc/esp32/include/soc/adc_caps.h
@@ -10,7 +10,7 @@
 #define SOC_ADC2_DATA_INVERT_DEFAULT    (1)
 
 #define SOC_ADC_FSM_RSTB_WAIT_DEFAULT       (8)
-#define SOC_ADC_FSM_START_WAIT_DEFAULT      (5)
+#define SOC_ADC_FSM_START_WAIT_DEFAULT      (SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT * 2)
 #define SOC_ADC_FSM_STANDBY_WAIT_DEFAULT    (100)
 #define ADC_FSM_SAMPLE_CYCLE_DEFAULT        (2)
 
@@ -22,4 +22,6 @@
  */
 #define SOC_ADC_SUPPORT_DMA_MODE(PERIPH_NUM) ((PERIPH_NUM==0)? 1: 0)
 
-#define SOC_ADC_PWDET_CCT_DEFAULT           (4)
\ No newline at end of file
+#define SOC_ADC_PWDET_CCT_DEFAULT           (4)
+
+#define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT    (16)
diff --git a/components/soc/esp32s2beta/include/soc/adc_caps.h b/components/soc/esp32s2beta/include/soc/adc_caps.h
index ef2f1a3ef9..94f44dbe52 100644
--- a/components/soc/esp32s2beta/include/soc/adc_caps.h
+++ b/components/soc/esp32s2beta/include/soc/adc_caps.h
@@ -22,4 +22,6 @@
  */
 #define SOC_ADC_SUPPORT_DMA_MODE(PERIPH_NUM) ((PERIPH_NUM==0)? 1: 0)
 
-#define SOC_ADC_PWDET_CCT_DEFAULT           (4)
\ No newline at end of file
+#define SOC_ADC_PWDET_CCT_DEFAULT           (4)
+
+#define SOC_ADC_DIGI_SAR_CLK_DIV_DEFAULT    (2)