ARM IM-AD1 Manual do Utilizador descarregar pdf (Página 34)

LPC2141_42_44_46_48 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.

Product data sheet Rev. 5 — 12 August 2011 34 of 45

NXP Semiconductors

LPC2141/42/44/46/48

Single-chip 16-bit/32-bit microcontrollers

Fig 9. Suggested ADC interface - LPC2141/42/44/46/48 ADx.y pin

LPC2141/42/44/46/48

ADx.y

SAMPLE

ADx.y

20 kΩ

3 pF

5 pF

R

vsi

V

SS

V

EXT

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LPC2141/42/44/46/48 1

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