13892 datasheet(24/158 Pages) FREESCALE

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ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Analog Integrated Circuit Device Data



Freescale Semiconductor

MC13892

ACTIVE MODE DC

Output Voltage VOUT - (VNOM = 2.775), VINMIN < VIN < VINMAX, ILMIN < IL

< ILMAX

4.4

5.0

5.25

ADC

Converter Core Input Range

Single ended voltage readings

Differential readings

0.0

-1.2

–

2.4

1.2

Maximum Input Voltage(40)



Channels ADIN5, ADIN6 and ADIN7

–

Integral Nonlinearity

–

LSB

Differential Nonlinearity

–

LSB

Zero Scale Error (Offset) after auto calibration

–

LSB

Full Scale Error (Gain) after auto calibration

–

LSB

Drift Over-temperature - Including scaling

–

LSB

Source Impedance



No bypass capacitor at input



Bypass capacitor at input 10 nF

–

5.0



TOUCH SCREEN

Plate Maximum Voltage X, Y(41)

–

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(42)

Max Load Current - Active Mode

–

Output Voltage - 0.0<IL<20 mA

-3%

1.20

+3%

PSRR - IL=15 mA

–

Bypass Capacitor ESR

0.0

–

0.1



Bypass Capacitance

0.65

2.2

+35%

µF

Notes

38.

Excludes spread and tolerance due to board and 100 mOhm sense resistor tolerances.

39.

An additional derating of 35% is allowed.

40.

ADIN5, 6 and 7 inputs must not exceed BP voltage.

41.

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

42.

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 (continued)

Characteristics noted under conditions -40

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

13892 Datasheet(PDF) 24 Page - Freescale Semiconductor, Inc

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