MAX1233ETI+T Maxim Integrated Products, MAX1233ETI+T Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS (continued)
(DV
(MAX1233), V
+85°C, unless otherwise noted. Typical values are at T
Total Harmonic Distortion
Spurious-Free Dynamic Range
Full-Power Bandwidth
Full-Linear Bandwidth
CONVERSION RATE
Internal Oscillator Frequency
Aperture Delay
Aperture Jitter
Maximum Serial Clock Frequency
Duty Cycle
AUXILIARY ANALOG INPUTS (AUX1, AUX2)
Input Voltage Range
Input Leakage Current
Input Capacitance
BATTERY MONITOR INPUTS (BAT1, BAT2)
Input Voltage Range
Input Impedance
Accuracy
TEMPERATURE MEASUREMENT
Temperature Range
Resolution
Accuracy
INTERNAL ADC REFERENCE
Reference Output Voltage
Output Tempco
Reference Output Impedance
Reference Short-Circuit Current
EXTERNAL ADC REFERENCE (INTERNAL REFERENCE DISABLED, REFERENCE APPLIED TO REF)
Reference Input Voltage Range
Input Impedance
Input Current
Controllers Include DAC and Keypad Controller
DD
= AV
PARAMETER
DD
REF
= +2.7V to +3.6V (MAX1233), DV
= 4.096V (MAX1234); f
_______________________________________________________________________________________
±15kV ESD-Protected Touch-Screen
SYMBOL
TCV
SFDR
f
V
THD
SCLK
REF
SCLK
REF
= 10MHz, f
-3dB point
SINAD > 67dB
Channel not selected or conversion
stopped
Sampling battery
Battery monitor OFF
Internal reference
Differential method (Note 4)
Single measurement method (Note 5)
Differential method (Note 4)
Single measurement method (Note 5)
2.5V mode, T
1.0V mode, T
Normal operation
(Note 6)
CS = GND or V
V
V
Shutdown/between conversions
REF
REF
DD
A
= +2.5V at 50ksps (MAX1233)
= +4.096V at 50ksps (MAX1234)
= AV
= +25°C.)
SAMPLE
DD
A
A
CONDITIONS
= +25°C
= +25°C
DD
= +4.75V to +5.25V (MAX1234), external reference V
= 50ksps, 12-bit mode, 0.1µF capacitor at REF, T
2.470
0.980
MIN
0.5
-40
1.0
10
30
-3
8
0
2.500
1.000
TYP
±0.1
±0.1
<50
250
-84
0.5
1.6
0.3
84
50
30
34
10
±3
±2
60
18
1
1
5
8
2.530
1.020
MAX
V
11.5
+85
V
6.0
+3
70
±1
10
15
REF
DD
A
REF
= -40°C to
ppm/°C
UNITS
MHz
MHz
MHz
= 2.5V
kHz
GΩ
mA
GΩ
dB
dB
µA
pF
kΩ
µA
ns
ps
°C
°C
°C
%
%
Ω
V
V
V
V
3