MAX11802EWC+T Maxim Integrated Products, MAX11802EWC+T Datasheet - Page 12

IC TOUCH SCREEN CTLR 12-WLP

MAX11802EWC+T

Manufacturer Part Number
MAX11802EWC+T
Description
IC TOUCH SCREEN CTLR 12-WLP
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet

Specifications of MAX11802EWC+T

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-WLP
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
Other names
MAX11802EWC+T
MAX11802EWC+TTR
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I
(V
noncontinuous AUX input. SPI = 10MHz and I
Y+ to Y- = 371Ω).)
12
DD
0.40
0.36
0.32
0.28
0.24
0.20
0.16
0.12
0.08
0.04
90
80
70
60
50
40
30
20
10
______________________________________________________________________________________
0
= 1.8V at T
0
-40
0
AUTONOMOUS MODE
MAX11800
MAX11801
SUPPLY CURRENT IN POWER-DOWN
DATA TAKEN WITH
RESISTIVE TOUCH
SENSOR
20
AVERAGE SUPPLY CURRENT
-15
40 60 80 100
-1
-2
-3
-4
4
3
2
1
0
vs. SAMPLING RATE
-40
vs. TEMPERATURE
A
SAMPLING RATE (cps)
TEMPERATURE (NC)
= -40°C to +85°C (T
10
-10
CHANGE IN ADC GAIN
vs. TEMPERATURE
cps = COORDINATES
PER SECOND
120 140
35
TEMPERATURE (NC)
20
160
60
50
180
200
A
85
= -40°C, T
80
2
C = 400kHz, unless otherwise noted. Resistive touch-screen panel (X+ to X- = 608Ω,
2
110
5
4
3
2
1
0
8
7
6
5
4
3
C/SPI Interface
1.6
0
A
X+
X-
= 0°C, T
20
DIRECT CONTINUOUS
INTERRUPT MODE
AVERAGE SUPPLY CURRENT
2.0
40
Y-
vs. SUPPLY VOLTAGE
Y+
SWITCH RESISTANCE
vs. SAMPLING RATE
cps = COORDINATES PER SECOND
SAMPLING RATE (cps)
60
A
2.4
80
= +25°C, and T
V
DD
100
(V)
Typical Operating Characteristics
120
2.8
140
160
3.2
180
A
= +85°C), 12-bit mode, all measurements using
200
3.6
-1
-2
-3
-4
4
3
2
1
0
-40
5
4
3
2
1
0
-10
7
6
5
4
3
2
1
CHANGE IN ADC OFFSET
-40
0
vs. TEMPERATURE
TEMPERATURE (NC)
20
DIRECT EDGE
INTERRUPT MODE
X-
AVERAGE SUPPLY CURRENT
20
40
-15
SWITCH RESISTANCE
vs. SAMPLING RATE
cps = COORDINATES PER SECOND
vs. TEMPERATURE
SAMPLING RATE (cps)
60
TEMPERATURE (NC)
50
Y+
X+
80
10
100
Y-
80
120
35
140
110
160
60
180
200
85

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