Microchip Technology MA160014 Data Sheet

DS41412F-page 464

 2010-2012 Microchip Technology Inc.

 

 

Standard Operating Conditions (unless otherwise stated)
Operating temperature

Tested at +25°C

A01

N

R

Resolution

—

—

10

bits

V

REF

 

 3.0V

A03

E

IL

Integral Linearity Error

—

±0.5

±1

LSb

V

REF

 = 3.0V

A04

E

DL

Differential Linearity Error

—

±0.5

±1

LSb

V

REF

 

 3.0V

A06

E

OFF

Offset Error

—

±0.7

±2

LSb

V

REF

 

 3.0V

A07

E

GN

Gain Error

—

±0.7

±2

LSb

V

REF

 

 3.0V

A08

E

TOTL

Total Error

—

±0.8

±3

LSb

V

REF

 

 3.0V

A20

V

REF

Reference Voltage Range
(V

REFH

 – V

REFL

)

2

—

V

DD

V

A21

V

REFH

Reference Voltage High

V

DD

/2

—

V

DD

 + 0.3

V

A22

V

REFL

Reference Voltage Low

V

SS

 – 0.3V

—

V

DD

/2

V

A25

V

AIN

Analog Input Voltage

V

REFL

—

V

REFH

V

A30

Z

AIN

Recommended Impedance of 
Analog Voltage Source

—

—

3

k



The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.

131

130

132

BSF ADCON0, GO

Q4

A/D CLK

A/D DATA

ADRES

ADIF

GO

SAMPLE

OLD_DATA

SAMPLING STOPPED

DONE

NEW_DATA

9

8

7

2

1

0

If the A/D clock source is selected as RC, a time of T

CY

 is added before the A/D clock starts. 

This allows the SLEEP instruction to be executed. 

This is a minimal RC delay (typically 100 ns), which also disconnects the holding capacitor from the analog input.

.. .

. . .

T

CY