Diodes CS5519 Manuel d'utilisateur télécharger pdf (Page 9)

Data Sheet

Enhanced Multi-touch Capacitive Touch Screen Controller CS5519

Apr. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

Electrical Characteristics

DA/AC Characteristics for AFE

=–40°C to 95°C, V

=3.3V, I

C bus frequency=400kHz, unless otherwise noted.

Parameter Symbol Test Condition Min Typ Max Unit

ADC DC Accuracy

Resolution 8 Bits

No Missing Codes

Standard/Fast

6 8 Bits

Integral Linearity Error INL

Standard/Fast

±2

LSB

Differential Linearity Error

Offset Error

Gain Error

DNL

External V

REF

±1

±2

±1

LSB

Analog Input

Full-scale Input Span

Absolute Input Range

-0.2

+0.2

ADC Sampling Dynamics

Throughput Rate 500 ksps

Reference Input

Input Voltage Range 1.8 V

Switched-capacitor Integrator

Output Voltage Range 0.3 V

-0.3 V

Integrator Capacitor C

INT

12 pF

Digital Input/Output

Logic Family CMOS

Input High Voltage V

0.7×V

+0.3 V

Input Low Voltage V

-0.3 0.3×V

Output High Voltage V

0.8×V

Output Low Voltage V

0.4 V

Input High Voltage for

P3.6 (GPIO18)

IH18

0.7×V

DD18

+0.3 V

Input Low Voltage for P3.6

(GPIO18)

IL18

-0.3 0.3×V

DD18

Output High Voltage for

P3.6 (GPIO18)

OH18

0.8×V

DD18

Output Low Voltage for

P3.6 (GPIO18)

OL18

0.2×V

DD18

Power Supply

Supply Voltage V

Operating voltage 2.8 3.6 V

Quiescent Current

Standard mode:

IOSC=4MHz to

48MHz

TBD

Power-down mode

A

Temperature Range

Specified Performance -40 95 °C

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

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Diodes CS5519 Manuel d'utilisateur Page 9

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