PIC16F724-I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F724-I/SP

28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC16F72X/PIC16LF72X

FIGURE 9-3:

ANALOG INPUT MODEL

Rs ANx

VDD

VT ≈ 0.6V

RIC ≤ 1k

Sampling

Switch

SS Rss

VA

CPIN

5 pF

VT ≈ 0.6V

I LEAKAGE(1)

CHOLD = 10 pF

VSS/VREF-

Legend: CHOLD

CPIN

= Sample/Hold Capacitance

= Input Capacitance

I LEAKAGE = Leakage current at the pin due to

various junctions

RIC

= Interconnect Resistance

RSS

= Resistance of Sampling Switch

SS

= Sampling Switch

VT

= Threshold Voltage

Note 1: Refer to Section 23.0 “Electrical Specifications”.

6V

5V

RSS

VDD 4V

3V

2V

5 6 7 8 9 10 11

Sampling Switch

(kΩ)

FIGURE 9-4:

ADC TRANSFER FUNCTION

FFh

FEh

FDh

FCh

FBh

04h

03h

02h

01h

00h

VSS

Full-Scale Range

1 LSB ideal

Zero-Scale

Transition

1 LSB ideal

Full-Scale

Transition

Analog Input Voltage

VREF

© 2009 Microchip Technology Inc.

DS41341E-page 107

Share Link: