MXB7843EUE+ Maxim Integrated Products, MXB7843EUE+ Datasheet - Page 15

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

Specifications of MXB7843EUE+

• 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

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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