MAX11803EWC+T Maxim Integrated Products, MAX11803EWC+T Datasheet - Page 13

IC TOUCH SCREEN CTLR 12-WLP

MAX11803EWC+T

Manufacturer Part Number
MAX11803EWC+T
Description
IC TOUCH SCREEN CTLR 12-WLP
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet

Specifications of MAX11803EWC+T

Touch Panel Interface
4-Wire
Number Of Inputs/keys
1 TSC
Resolution (bits)
12 b
Data Interface
I²C, Serial
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
MAX11803EWC+T
MAX11803EWC+TTR
(V
noncontinuous AUX input. SPI = 10MHz and I
Y+ to Y- = 371Ω).)
Low-Power, Ultra-Small Resistive Touch-Screen
DD
3.0
2.5
2.0
1.5
1.0
0.5
0
= 1.8V at T
0
sps = SAMPLES PER SECOND
DIRECT CONVERSION
MODE—AUXILIARY INPUT
20
AVERAGE SUPPLY CURRENT
40
2.08
2.06
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.90
vs. SAMPLING RATE
A
60
SAMPLING RATE (sps)
1.8
= -40°C to +85°C (T
80
FREQUENCY vs. SUPPLY VOLTAGE
______________________________________________________________________________________
INTERNAL OSCILLATOR CLOCK
100
120
2.4
140
V
160
DD
(V)
180
A
200
3.0
Controllers with I
= -40°C, T
2
C = 400kHz, unless otherwise noted. Resistive touch-screen panel (X+ to X- = 608Ω,
120
100
Typical Operating Characteristics (continued)
80
60
40
20
0
3.6
A
8
= 0°C, T
AUXILIARY INPUT DATA
SAMPLED AT 1ksps AND
2ksps WITH EIGHT AND
16 SAMPLES
AVERAGING
ENABLED
EQUIVALENT SAMPLING RATE (ksps)
AVERAGE SUPPLY CURRENT
ksps = KILO-SAMPLES PER SECOND
vs. SAMPLING RATE
A
= +25°C, and T
16
24
A
= +85°C), 12-bit mode, all measurements using
*MAX11800/MAX11801
160
140
120
100
32
80
60
40
20
0
2
0
DIRECT EDGE MODE
DATA TAKEN WITH
RESISTIVE TOUCH SENSOR
C/SPI Interface
AUTONOMOUS MODE*
2.08
2.06
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.90
POWER CONSUMPTION
50
DIRECT CONTINUOUS MODE
-40
vs. SAMPLE RATE
SAMPLE RATE (cps)
FREQUENCY vs. TEMPERATURE
V
INTERNAL OSCILLATOR CLOCK
DD
-15
100
= 1.8V
cps = COORDINATES
PER SECOND
TEMPERATURE (NC)
10
V
DD
150
V
= 3.6V
DD
= 3.0V
35
200
60
13
85

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