MAX11800ETC+ Maxim Integrated Products, MAX11800ETC+ Datasheet - Page 54

IC CTRLR TOUCH-SCREEN 12-TQFN

MAX11800ETC+

Manufacturer Part Number
MAX11800ETC+
Description
IC CTRLR TOUCH-SCREEN 12-TQFN
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet

Specifications of MAX11800ETC+

Touch Panel Interface
4-Wire
Number Of Inputs/keys
1 TSC
Resolution (bits)
12 b
Data Interface
Serial, SPI™
Data Rate/sampling Rate (sps, Bps)
105k
Voltage - Supply
1.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
12-TQFN Exposed Pad
Voltage Supply Source
Single Supply
Sampling Rate (per Second)
105k
Resolution
11 bits
Interface Type
I2C, SPI
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.7 V
Conversion Rate
34.4 KSPs
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I
Autonomous Mode Timing Configuration Register (0x08)
Note: These settings apply in autonomous conversion mode only.
Aperture Configuration Register (0x09)
Note: These aperture settings apply in autonomous conversion mode only and control whether data meets the criteria for logging
into the FIFO.
54
BIT
NAME
DEFAULT
BIT
NAME
DEFAULT
______________________________________________________________________________________
BIT
BIT
7:4
3:0
7:4
3:0
SCANP[3:0]
APRX[3:0]
APRY[3:0]
TINIT[3:0]
NAME
NAME
7
0
7
0
Initial period (time between touch and initial scan block, t
0000: 10μs
0001: 20μs
0010: 50μs
0011: 80μs
0100: 100μs
0101: 200μs
0110: 500μs
0111: 800μs
Scan period (time between successive scan blocks, t
SCANP[3:0] has the same range as TINIT[3:0] above.
± X for aperture checking
0000 = 2
0001 = 2
0010 = 2
0011 = 2
.
.
.
1001 = 2
1010 = 2
1011 = 2
1100 = 2
± Y for aperture checking
APRY[3:0] has the same range as APRX[3:0] above.
6
0
6
0
1101 = N/A = aperture checking disabled
TINIT[3:0]
APRX[3:0]
-1
(1-1)
(2-1)
(3-1)
(9-1)
(10-1)
(11-1)
(12-1)
LSB = aperture checking disabled
2
LSB = ±1 LSB
LSB = ±2 LSB
LSB = ±4 LSB
LSB = ±256 LSB
LSB = ±512 LSB
LSB = ±1024 LSB
LSB = ±2048 LSB
5
0
C/SPI Interface
5
0
1100: 20ms
1101: 50ms
1110: 100ms
1111: 200ms
DESCRIPTION
DESCRIPTION
4
0
4
0
1000: 1ms
1001: 2ms
1010: 5ms
1011: 10ms
3
0
3
0
SP
)
INIT
2
0
2
0
)
SCANP[3:0]
APRY[3:0]
MAX11800/
MAX11801
MAX11800/
MAX11801
Yes
Yes
Yes
Yes
1
0
1
0
MAX11802/
MAX11803
MAX11802/
MAX11803
No
No
No
No
0
0
0
0

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