MXB7846EEE MAXIM [Maxim Integrated Products], MXB7846EEE Datasheet - Page 12

• Manufacturer Part Number: MXB7846EEE
• Description: 2.375V to 5.25V, 4-Wire Touch-Screen Controller with Internal Reference and Temperature Sensor
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 3. Single-Ended Y-Coordinate Measurement
Figure 5. PENIRQ Functional Block Diagram
2.375V to 5.25V, 4-Wire Touch-Screen Controller
with Internal Reference and Temperature Sensor
12
______________________________________________________________________________________
GND
Y+
X+
Y-
TOUCH SCREEN
V
DD
+IN
-IN
12-BIT ADC
REF+
REF
REF-
OPEN CIRCUIT
Y+
X+
Y-
ON
ENABLE
PENIRQ
Figure 4. Ratiometric Y-Coordinate Measurement
100kΩ
+V
DD
PENIRQ
GND
Y+
X+
Y-
V
DD
+IN
-IN
12-BIT ADC
REF+
REF-