PIC24HJ128GP310 datasheet(272/286 Pages) MICROCHIP

272 / 286 page

PIC24HJXXXGPX06/X08/X10

DS70175F-page 270

TABLE 23-39: ADC CONVERSION (10-BIT MODE) TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +85°C

Param

No.

Symbol

Characteristic

Min.

Typ(1)

Max.

Units

Conditions

Clock Parameters

AD50b TAD

A/D Clock Period(2)

—

AD51b tRC

A/D Internal RC Oscillator Period

—

250

—

Conversion Rate

AD55b tCONV

Conversion Time

—

12 TAD

——

—

AD56b FCNV

Throughput Rate

—

1.1

MSPS

—

AD57b TSAMP

Sample Time

2 TAD

——

—

Timing Parameters

AD60b tPCS

Conversion Start from Sample

Trigger(1)

—1.0 TAD

—

Auto-Convert Trigger

(SSRC<2:0> = 111) not

selected

AD61b tPSS

Sample Start from Setting

Sample (SAMP) bit(1)

0.5 TAD

—

1.5 TAD

——

AD62b tCSS

Conversion Completion to

Sample Start (ASAM = 1)(1)

—0.5 TAD

——

—

AD63b tDPU

Time to Stabilize Analog Stage

from A/D Off to A/D On(1)

1—

μs—

Note 1: These parameters are characterized but not tested in manufacturing.

2: Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity

performance, especially at elevated temperatures.

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