Intel mcs-48 manual AID Converter Characteristics, Analog Input Timing

Models: mcs-48

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AID CONVERTER CHARACTERISTICS

TA= O'Cto 70'C,Vcc= 5.5V:!:: 1V, Vss= OV, AVcc= 5.5V:!:: W, AVss= OV, AVccl2 .. VAREF" AVCC

Parameter

Min.

Typ.

Max.

Unit

Comments

Resolution

8

 

 

Bits

 

Absolute Accuracy

 

 

.8% FSR:!:: 112 LSB

LSB

(Note 1)

Sample Setup Before Falling Edge of ALE (tsal

 

0.20

 

tCY

 

Sample Hold After Failing Edge of ALE (tsH)

 

0.10

 

tCY

 

Input Capacitance (ANO, AN1)

 

1

 

pF

 

Conversion Time

4

 

4

tCY

 

ANALOG INPUT TIMING

ALE

ISH

ANALOG

INPUT

. NOTE:

1. The analog Input must be maintained at a conslsnt voltage during the sample time (tss+ tSH)'

6-55AFN-«I187A~

Page 198
Image 198
Intel mcs-48 manual AID Converter Characteristics, Analog Input Timing