MXB7843EEE+ Maxim Integrated Products, MXB7843EEE+ Datasheet - Page 11

IC CNTRLR TOUCH RES 16QSOP

MXB7843EEE+

Manufacturer Part Number
MXB7843EEE+
Description
IC CNTRLR TOUCH RES 16QSOP
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet

Specifications of MXB7843EEE+

Touch Panel Interface
4-Wire
Number Of Inputs/keys
1 TSC
Resolution (bits)
12 b
Data Interface
MICROWIRE™, QSPI™, Serial, SPI™
Data Rate/sampling Rate (sps, Bps)
125k
Voltage Reference
External
Voltage - Supply
2.38 V ~ 5.25 V
Current - Supply
650µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-QSOP
Output Type
Digital
Interface
4-Wire Serial
Input Type
Analog
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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-
11

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