diff --git a/drivers/adc/ad7091r5/ad7091r5.c b/drivers/adc/ad7091r5/ad7091r5.c
index 45503e70225..b02b1c7860c 100644
--- a/drivers/adc/ad7091r5/ad7091r5.c
+++ b/drivers/adc/ad7091r5/ad7091r5.c
@@ -57,7 +57,7 @@ int32_t ad7091r5_i2c_reg_read(struct ad7091r5_dev *dev,
 	if (!dev || !reg_data)
 		return -EINVAL;
 
-	ret = no_os_i2c_write(dev->i2c_desc, &reg_addr, 1, 1);
+	ret = no_os_i2c_write(dev->i2c_desc, &reg_addr, 1, 0);
 	if (ret < 0)
 		return ret;
 
@@ -144,6 +144,9 @@ int32_t ad7091r5_i2c_write_mask(struct ad7091r5_dev *dev,
 	reg_data &= ~mask;
 	reg_data |= data;
 
+	/* Allow time for register modification to take effect before write */
+	no_os_udelay(100);
+
 	return ad7091r5_i2c_reg_write(dev, reg_addr, reg_data);
 }
 
@@ -443,8 +446,8 @@ int32_t ad7091r5_reset(struct ad7091r5_dev *dev, bool is_software)
 		if (ret < 0)
 			return ret;
 
-		/* reset pulse width, at least 10 ns*/
-		no_os_udelay(1);
+		/* Reset pulse width extended to ensure proper device reset */
+		no_os_udelay(100);
 		return no_os_gpio_set_value(dev->gpio_resetn, NO_OS_GPIO_HIGH);
 	}
 }
@@ -499,6 +502,9 @@ int32_t ad7091r5_read_one(struct ad7091r5_dev *dev,
 	if (ret)
 		return ret;
 
+	/* Wait for channel switch and conversion to complete before reading result */
+	no_os_udelay(100);
+
 	ret = ad7091r5_i2c_reg_read(dev, AD7091R5_REG_RESULT, &val);
 	if (ret)
 		return ret;