MAX11800GTC/V+ Maxim Integrated Products, MAX11800GTC/V+ Datasheet - Page 55
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MAX11800GTC/V+
Manufacturer Part Number
MAX11800GTC/V+
Description
IC TOUCH SCREEN CTRLR LP 12WQFN
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet
1.MAX11803EWCT.pdf
(59 pages)
Specifications of MAX11800GTC/V+
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 ~ 105°C
Mounting Type
Surface Mount
Package / Case
12-WQFN Exposed Pad
Voltage Supply Source
Single Supply
Sampling Rate (per Second)
105k
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Auxiliary Measurement Configuration Register (0x0A)
Note: A delimiter refers to the auxiliary input (AUX). Auxiliary measurements can only be requested in direct conversion modes.
BIT
NAME
DEFAULT
Low-Power, Ultra-Small Resistive Touch-Screen
BIT
7:5
4:3
2:1
0
T_SAMPLE_A[1:0]
D_CV_A[3:0]
AVGA[1:0]
______________________________________________________________________________________
7
0
NAME
RESA
D_CV_A[3:0]
6
0
Delay initial auxiliary conversion
000: 10μs
001: 100μs
010: 500μs
011: 1ms
100: 5ms
101: 10ms
110: 50ms
111: 100ms
Sampling time for auxiliary measurements
00: 4 x (2MHz oscillator clock period) = 2μs
01: 16 x (2MHz oscillator clock period) = 8μs
10: 64 x (2MHz oscillator clock period) = 32μs
11: 256 x (2MHz oscillator clock period) = 128μs
Averaging sample depth for auxiliary measurements
If AVG_FLT = 0 (see the Operating Mode Configuration Register
(0x0B) section)
00: Single sample, no averaging
01: Take four samples, average two median samples
10: Take eight samples, average four median samples
11: Take 16 samples, average eight median samples
If AVG_FLT = 1 (see the Operating Mode Configuration Register
(0x0B) section)
00: Single sample, no averaging
01: Take four samples, average all samples
10: Take eight samples, average all samples
11: Take 16 samples, average all samples
Resolution for auxiliary measurements
0: 12-bit conversion (see the description of PWR_SAV in the
Measurement Resolution Configuration Register (0x02) section)
1: 8-bit conversion
Controllers with I
5
0
DESCRIPTION
T_SAMPLE_A[1:0]
4
0
3
0
2
C/SPI Interface
2
0
AVGA[1:0]
MAX11800/
MAX11801
Yes
Yes
Yes
Yes
1
0
MAX11802/
MAX11803
RESA
Yes
Yes
Yes
Yes
0
0
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