70592C datasheet(282/314 Pages) MICROCHIP

282 / 314 page

PIC24HJXXXGPX06A/X08A/X10A

DS70592C-page 282

TABLE 24-42: ADC CONVERSION (12-BIT MODE) TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤+85°C for Industrial

-40°C

≤TA ≤+125°C for Extended

Param

No.

Symbol

Characteristic

Min.

Typ(2)

Max.

Units

Conditions

Clock Parameters(1)

AD50

TAD

ADC Clock Period

117.6

—

AD51

tRC

ADC Internal RC Oscillator

Period

—

250

—

Conversion Rate

AD55

tCONV

Conversion Time

—

14 TAD

—

AD56

FCNV

Throughput Rate

—

500

ksps

—

AD57

TSAMP

Sample Time

3 TAD

——

—

Timing Parameters

AD60

tPCS

Conversion Start from Sample

Trigger(2)

2.0 TAD

—

3.0 TAD

—

Auto convert trigger not

selected

AD61

tPSS

Sample Start from Setting

Sample (SAMP) bit(2)

2.0 TAD

—

3.0 TAD

——

AD62

tCSS

Conversion Completion to

Sample Start (ASAM = 1)(2)

—

0.5 TAD

——

—

AD63

tDPU

Time to Stabilize Analog Stage

from ADC Off to ADC On(2,3)

——

μs—

Note 1: Because the sample caps eventually loses charge, clock rates below 10 kHz may affect linearity

performance, especially at elevated temperatures.

2: These parameters are characterized but not tested in manufacturing.

3: tDPU is the time required for the ADC module to stabilize when it is turned on (AD1CON1<ADON> = 1).

During this time, the ADC result is indeterminate.

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