PIC18F46K22T-E/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F46K22T-E/SP

28/40/44-Pin, Low-Power,High-Performance Microcontrollers with XLP Technology

Microchip Technology 

PIC18(L)F2X/4XK22

TABLE 27-24: A/D CONVERSION REQUIREMENTS

Param

No.

Symbol

Characteristic

Min Max Units

Conditions

130

TAD

A/D Clock Period

0.7 25.0(1) s TOSC based,

-40C to +85C

0.7

4.0(1)

s TOSC based,

+85C to +125C

1.0

4.0

s FRC mode, VDD2.0V

131

TCNV Conversion Time

12

(not including acquisition time) (Note 2)

12

TAD

132 TACQ Acquisition Time (Note 3)

1.4

—

s VDD = 3V, Rs = 50

135 TSWC Switching Time from Convert  Sample

— (Note 4)

136

TDIS

Discharge Time

2

2

TAD

Legend:

Note 1:

2:

3:

4:

TBD = To Be Determined

The time of the A/D clock period is dependent on the device frequency and the TAD clock divider.

ADRES register may be read on the following TCY cycle.

The time for the holding capacitor to acquire the “New” input voltage when the voltage changes full scale

after the conversion (VDD to VSS or VSS to VDD). The source impedance (RS) on the input channels is 50 .

On the following cycle of the device clock.

DS41412A-page 462

Preliminary

 2010 Microchip Technology Inc.

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