MXB7843EUE+T Maxim Integrated Products, MXB7843EUE+T Datasheet - Page 9

• Manufacturer Part Number: MXB7843EUE+T
• Description: IC CNTRLR TOUCH RES 16TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Resistiver

Specifications of MXB7843EUE+T

• 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-TSSOP
• Output Type: Digital
• Interface: 4-Wire Serial
• Input Type: Analog
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 1. Input Configuration, Single-Ended Reference Mode (SER/DFR HIGH)
Table 2. Input Configuration, Differential Reference Mode (SER/DFR LOW)
A2
A2
0
1
0
0
0
0
1
1
1
1
A1
A1
0
0
0
0
1
1
0
0
1
1
A0
A0
_______________________________________________________________________________________
1
1
0
1
0
1
0
1
0
1
REF
IN3
IN4
X+
X-
Y+
Y-
CONNECTION TO
2.375V to 5.25V, 4-Wire Touch-Screen
ADC +REF
Y+
X+
MEASUREMENT
Y-Position
X-Position
Reserved
Reserved
Reserved
Reserved
IN3
IN4
V
DD
CONNECTION TO
ADC -REF
Y-
X-
6-TO-1
MUX
ADC INPUT CONNECTION
CONNECTION TO
12-BIT ADC
ADC INPUT
Reserved
Reserved
Reserved
Reserved
IN3
IN4
X+
Y+
X+
Y+
MEASUREMENT
INTERFACE
PERFORMED
SERIAL
DATA
Functional Diagram
Y position
X position
Controller
DOUT
BUSY
PENIRQ
DCLK
DIN
CS
DRIVERS ON
Y+, Y-
X-, X+
—
—
—
—
—
—
DRIVER ON
Y+, Y-
X+, X-
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