±15kV ESD-Protected Touch-Screen

Controllers Include DAC and Keypad Controller

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

°C to

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

X+, Y+, X-, Y-, AUX1, AUX2,

BAT1, BAT2 to GND .................................................-0.3V to +6V

Maximum ESD per IEC 1000-4-2 (per MIL STD-883 HBM)

X+, X-, Y+, Y-, AUX1, AUX2, BAT1, BAT2......................

±15kV

All Other Pins.....................................................................

±2.5kV

Maximum Current into Any Pin............................................50mA

°C)

28-Pin QFN (derate 28.5mW/

°C above +70°C) .................2W

28-Pin TQFN (derate 28.5mW/

°C above +70°C) ...............2W

Operating Temperature Range ...........................-40

°C to +85°C

Storage Temperature Range .............................-60

°C to +150°C

Lead Temperature (soldering, 10s) .................................+300

°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ANALOG-TO-DIGITAL CONVERTER

DC ACCURACY (Note 1)

Resolution

Software-programmable 8/10/12 bit

12

Bits

No Missing Codes

11

Bits

12-bit mode

±0.8

±2

Relative Accuracy (Note 2)

INL

10-bit and 8-bit modes

±0.5

LSB

12-bit mode

±0.8

±2

Differential Nonlinearity

DNL

10-bit and 8-bit modes

±0.5

LSB

12-bit mode

±0.5

±4

Offset Error

10-bit and 8-bit modes

±0.5

LSB

12-bit mode

±0.5

±4

10-bit mode

±0.5

Gain Error (Note 3)

8-bit mode

±0.5

LSB

12-bit mode

±2

Total Unadjusted Error

TUE

10-bit and 8-bit modes

±1

LSB

Offset Temperature Coefficient

±0.4

ppm/

°C

Gain Temperature Coefficient

±0.4

ppm/

°C

Channel-to-Channel Offset

±0.1

LSB

Channel-to-Channel Gain

Matching

±0.1

LSB

Noise

50

MAX1233

±0.4

Power-Supply Rejection

PSR

Full-scale

input

MAX1234

±5%

±0.3

mV

Signal-to-Noise Plus Distortion

SINAD

69

dB