MAX1233ETI+ Maxim Integrated Products, MAX1233ETI+ Datasheet - Page 7
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MAX1233ETI+
Manufacturer Part Number
MAX1233ETI+
Description
IC CNTRLR TOUCH 28-TQFN
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet
1.MAX1234ETIT.pdf
(44 pages)
Specifications of MAX1233ETI+
Touch Panel Interface
4-Wire
Number Of Inputs/keys
1, 4 x 4 Keypad
Resolution (bits)
8, 10, 12 b
Data Interface
MICROWIRE™, QSPI™, Serial, SPI™
Data Rate/sampling Rate (sps, Bps)
50k
Voltage Reference
External, Internal
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-TQFN Exposed Pad
Applications
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(AV
10MHz (50% duty cycle), f
Controllers Include DAC and Keypad Controller
300
250
200
150
100
9.8
9.6
9.4
9.2
9.0
8.8
8.6
DD
50
0
2.7
-40
= DV
INTERNAL OSCILLATOR FREQUENCY
MAX1234, AV
MAX1233, AV
vs. ANALOG SUPPLY VOLTAGE
-20
DD
3.2
SHUTDOWN CURRENT
= 3V (MAX1233) or 5V (MAX1234), external V
vs. TEMPERATURE
0
TEMPERATURE (°C)
DD
DD
3.7
= +3.0V
= +5.0V
0.80
0.75
0.70
0.65
0.60
AV
_______________________________________________________________________________________
20
DD
2.7
(V)
4.2
SAMPLE
40
vs. ANALOG SUPPLY VOLTAGE
3.2
TEMP2 DIODE VOLTAGE
60
4.7
±15kV ESD-Protected Touch-Screen
= 20ksps, C
3.7
80
5.2
AV
DD
(V)
4.2
LOAD
0.70
0.68
0.66
0.64
0.62
0.60
0.58
0.56
0.54
0.52
0.50
300
250
200
150
100
50
4.7
0
-40
2.7
= 50pF, 0.1µF capacitor at REF, T
vs. ANALOG SUPPLY VOLTAGE
5.2
-20
3.2
TEMP1 DIODE VOLTAGE
SHUTDOWN CURRENT
vs. TEMPERATURE
REF
TEMPERATURE (°C)
0
3.7
= +2.5V (MAX1233), external V
AV
20
DD
(V)
4.2
Typical Operating Characteristics
40
4.7
60
0.90
0.85
0.80
0.75
0.70
0.65
0.60
-40
80
5.2
-25
A
= +25°C, unless otherwise noted.)
TEMP2 DIODE VOLTAGE
-10
vs. TEMPERATURE
10.0
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
TEMPERATURE (°C)
9.8
9.6
9.4
9.2
9.0
8.8
8.6
8.4
8.2
8.0
5
-40
2.7
REF
20
INTERNAL OSCILLATOR FREQUENCY
-25 -10
vs. ANALOG SUPPLY VOLTAGE
= +4.096V (MAX1234), f
35
3.2
TEMP1 DIODE VOLTAGE
vs. TEMPERATURE
50
TEMPERATURE (°C)
5
3.7
65
AV
20
DD
80
MAX1233/MAX1234
(V)
4.2
35
50
4.7
65
SCLK
80
5.2
7
=