MXB7843EEE-T Maxim Integrated, MXB7843EEE-T Datasheet - Page 11

• Manufacturer Part Number: MXB7843EEE-T
• Description: Touch Screen Converters & Controllers
• Manufacturer: Maxim Integrated
• Type: Resistive Touch Controllersr

Specifications of MXB7843EEE-T

• Input Type: 1 TSC
• Data Rate: 125 KSPS
• Resolution: 8 bit, 12 bit
• Interface Type: 3-Wire, 4-Wire, QSPI, SPI
• Supply Voltage: 2.375 V to 5.25 V
• Supply Current: 270 uA
• Operating Temperature: - 40 C to + 85 C
• Package / Case: QSOP-16
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: -40 C
• Mounting Style: SMD/SMT
• Supply Voltage - Max: 5.25 V
• Supply Voltage - Min: 2.375 V

Figure 2. Equivalent Input Circuit
Figure 3. Single-Ended Y-Coordinate Measurement
GND
______________________________________________________________________________________
Y+
X+
Y-
2.375V to 5.25V, 4-Wire Touch-Screen
GND
IN3
IN4
V
X+
Y+
X-
Y-
DD
PENIRQ
+IN
-IN
12-BIT ADC
REF+
REF-
REF
V
DD
REF
(SHOWN 001
A2–A0
Figure 4. Ratiometric Y-Coordinate Measurement
B
)
(SHOWN HIGH)
SER/DFR
+IN
-IN
CONVERTER
+REF
-REF
GND
Y+
X+
Y-
V
DD
Controller
+IN
-IN
12-BIT ADC
REF+
REF-
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