diff --git a/tests/components/MCP3428/test.esp32-c3-idf.yaml b/tests/components/MCP3428/test.esp32-c3-idf.yaml
index a873e6e7f1..e57dbd5979 100644
--- a/tests/components/MCP3428/test.esp32-c3-idf.yaml
+++ b/tests/components/MCP3428/test.esp32-c3-idf.yaml
@@ -4,7 +4,7 @@ i2c:
     sda: 4
 
 mcp3428:
-  address: 0b1101000
+  address: 0x68
 
 sensor:
   - platform: mcp3428
diff --git a/tests/components/MCP3428/test.esp32-c3.yaml b/tests/components/MCP3428/test.esp32-c3.yaml
index a873e6e7f1..e57dbd5979 100644
--- a/tests/components/MCP3428/test.esp32-c3.yaml
+++ b/tests/components/MCP3428/test.esp32-c3.yaml
@@ -4,7 +4,7 @@ i2c:
     sda: 4
 
 mcp3428:
-  address: 0b1101000
+  address: 0x68
 
 sensor:
   - platform: mcp3428
diff --git a/tests/components/MCP3428/test.esp32-idf.yaml.yaml b/tests/components/MCP3428/test.esp32-idf.yaml.yaml
index a1ba9f0129..8f9eca0498 100644
--- a/tests/components/MCP3428/test.esp32-idf.yaml.yaml
+++ b/tests/components/MCP3428/test.esp32-idf.yaml.yaml
@@ -4,7 +4,7 @@ i2c:
     sda: 17
 
 mcp3428:
-  address: 0b1101000
+  address: 0x68
 
 sensor:
   - platform: mcp3428
diff --git a/tests/components/MCP3428/test.esp32.yaml b/tests/components/MCP3428/test.esp32.yaml
index a1ba9f0129..8f9eca0498 100644
--- a/tests/components/MCP3428/test.esp32.yaml
+++ b/tests/components/MCP3428/test.esp32.yaml
@@ -4,7 +4,7 @@ i2c:
     sda: 17
 
 mcp3428:
-  address: 0b1101000
+  address: 0x68
 
 sensor:
   - platform: mcp3428
diff --git a/tests/components/MCP3428/test.esp8266.yaml b/tests/components/MCP3428/test.esp8266.yaml
index a873e6e7f1..e57dbd5979 100644
--- a/tests/components/MCP3428/test.esp8266.yaml
+++ b/tests/components/MCP3428/test.esp8266.yaml
@@ -4,7 +4,7 @@ i2c:
     sda: 4
 
 mcp3428:
-  address: 0b1101000
+  address: 0x68
 
 sensor:
   - platform: mcp3428
diff --git a/tests/components/MCP3428/test.rp2040.yaml b/tests/components/MCP3428/test.rp2040.yaml
index a873e6e7f1..e57dbd5979 100644
--- a/tests/components/MCP3428/test.rp2040.yaml
+++ b/tests/components/MCP3428/test.rp2040.yaml
@@ -4,7 +4,7 @@ i2c:
     sda: 4
 
 mcp3428:
-  address: 0b1101000
+  address: 0x68
 
 sensor:
   - platform: mcp3428