MXB7843EEE-T Maxim Integrated, MXB7843EEE-T Datasheet - Page 15

• 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 9. 16-Clock/Conversion Timing
Table 3. Control Byte Format
Table 4. Power Mode Selection
DOUT
DCLK
BUSY
DIN
PD1
CS
START
0
0
1
1
BIT 7
BIT
7
6
5
4
3
2
1
0
S
1
PD0
0
1
0
1
CONTROL BYTE 0
SER/DFR
START
NAME
MODE
______________________________________________________________________________________
BIT 6
PD1
PD0
Disabled
Disabled
Disabled
A2
A1
A0
PENIRQ
Enabled
A2
2.375V to 5.25V, 4-Wire Touch-Screen
8
Start bit
Address (Tables 1 and 2)
Conversion resolution. 1 = 8 bits, 0 = 12 bits.
Conversion mode. 1 = single ended, 0 = differential.
Power-down mode (Table 4)
ADC is ON during conversion, OFF between conversion
ADC is always ON
Reserved
ADC is always ON
BIT 5
A1
B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
BIT 4
A0
CONVERSION RESULT 0
STATUS
16
MODE
BIT 3
S
1
DESCRIPTION
CONTROL BYTE 1
SER/DFR
BIT 2
8
CONVERSION
SUPPLY CURRENT (typ) (µA)
DURING
200
200
200
—
BIT 1
PD1
B 1 1 B 1 0 B 9 B 8 B 7 B 6
Controller
CONVERSION RESULT 1
CONVERSION
AFTER
200
200
—
1
BIT 0
16
PD0
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