MAX1233ETI+T Maxim Integrated Products, MAX1233ETI+T Datasheet - Page 10

• Manufacturer Part Number: MAX1233ETI+T
• Description: IC CNTRLR TOUCH 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Resistiver

Specifications of MAX1233ETI+T

• 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

±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
(AV
10MHz (50% duty cycle), f
10
DD
______________________________________________________________________________________
= DV
DD
2.550
2.525
2.500
2.475
2.450
-0.25
-0.50
-0.75
= 3V (MAX1233) or 5V (MAX1234), external V
0.75
0.50
0.25
250
200
150
100
50
0
0
2.5
2.7
2.7
vs. ANALOG SUPPLY VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
3.0
ADC REFERENCE VOLTAGE
3.2
3.2
SAMPLE
DAC FULL-SCALE ERROR
DAC SUPPLY CURRENT
3.5
3.7
3.7
AV
AV
AV
= 20ksps, C
4.0
DD
DD
DD
V
(V)
V
(V)
(V)
REF
REF
4.2
4.2
= 1.0V
= 2.5V
4.5
4.7
MAX1233/34 toc21
4.7
MAX1233/34 toc25
LOAD
5.0
Typical Operating Characteristics (continued)
5.2
5.2
= 50pF, 0.1µF capacitor at REF, T
5.5
-0.4
-0.8
-1.2
1.2
0.8
0.4
0
1.020
1.010
1.000
0.990
0.980
REF
= +2.5V (MAX1233), external V
-0.25
-0.50
-0.75
0.75
0.50
0.25
200
175
150
125
100
2.60
2.55
2.50
2.45
2.40
75
50
25
0
0
-40
-40
-40
-20
-20
-20
ADC REFERENCE VOLTAGE
DAC FULL-SCALE ERROR
DAC SUPPLY CURRENT
A
vs. TEMPERATURE
vs. TEMPERATURE
vs. TEMPERATURE
= +25°C, unless otherwise noted.)
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
0
20
20
20
V
V
REF
REF
REF
40
40
40
= 1.0V
= 2.5V
= +4.096V (MAX1234), f
MAX1233/34 toc22
MAX1233/34 toc26
60
60
60
80
80
80
1.250
1.125
1.000
0.875
0.750
-0.4
-0.8
-1.2
1.2
0.8
0.4
0
SCLK
=