13892 datasheet(24/161 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

13892

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

ADC (CONTINUED)

Zero Scale Error (Offset)

Before auto calibration

After auto calibration

1.0

LSB

Full Scale Error (Gain)

Before auto calibration

After auto calibration

5.0

LSB

Drift Over-temperature - Including scaling

1.0

LSB

Source Impedance

No bypass capacitor at input

Bypass capacitor at input 10 nF

5.0

TOUCH SCREEN

Plate Maximum Voltage X, Y(29)

VCORE

Plate Resistance X, Y

100

1000

Resistance Between Plates Settling Time - Contact

Position measurement

180

3.0

1200

5.5

µs

TOUCH SCREEN IN STAND ALONE MODE(30)

Quiescent Current - Active Mode

µA

Max Load Current - Active Mode

Output Voltage - 0<IL<20 mA

-3%

1.20

+3%

PSRR - IL=15 mA

Bypass Capacitor ESR

0.1

Bypass Capacitance

0.65

2.2

+35%

µF

Notes

29.

TS[xy][1,2] inputs must not exceed BP or VCORE

30.

All characteristics in this table are applicable only for non touch screen operation. This applies to Touch Screen in Standalone Mode and

below.

Table 5. Static Electrical Characteristics

Characteristics noted under conditions -30

°C ≤ TA ≤ 85 °C, GND = 0 V unless otherwise noted. Typical values noted reflect

the approximate parameter means at TA = 25 °C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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