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Wireless CPU

Q24 Series

Interfaces

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WM_PRJ_Q24NG_PTS_001-004

January 16, 2007

3.11 Analog to Digital Converter (ADC)

Equivalent circuit

An Analog to Digital Converter is provided by the Wireless CPU

Q24 Series. This

converter is a10-bit resolution, ranging from 0 to 2.8 V.

Pin description

Signal Pin number

I/O I/O type Description

AUXV0 33 I Analog A/D converter

Electrical characteristics

Parameter Min Max Unit

Resolution 10 Bits

Hardware sampling rate 17 Ksps/s

Input signal range 0 2V8 V

ADC reference accuracy 0.75 2 %

Integral accuracy +/- 1 LSB

Differential accuracy +/- 1 LSB

Input impedance ( R ) 10

MΩ

Input impedance ( C ) 100 nF

AUXV0

Q24 Series

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 84 85

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Wavecom G2 Specifiche Pagina 40