DSPIC30F2012AT-20E/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

DSPIC30F2012AT-20E/ML

High-Performance, 16-bit Digital Signal Controllers

Microchip Technology 

dsPIC30F2011/2012/3012/3013

TABLE 20-37: 12-BIT A/D CONVERSION TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 2.7V to 5.5V

(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 Max. Units

Conditions

Clock Parameters

AD50 TAD

A/D Clock Period

334

—

—

ns VDD = 3-5.5V (Note 1)

AD51 tRC

A/D Internal RC Oscillator Period 1.2

1.5 1.8

μs

Conversion Rate

AD55 tCONV Conversion Time

— 14 TAD

ns

AD56 FCNV

Throughput Rate

—

200

—

ksps VDD = VREF = 5V

AD57 TSAMP Sampling Time

1 TAD

—

—

ns VDD = 3-5.5V source

resistance

RS = 0-2.5 kΩ

Timing Parameters

AD60 tPCS

Conversion Start from Sample

—

1 TAD —

ns

Trigger

AD61 tPSS

Sample Start from Setting

Sample (SAMP) Bit

0.5 TAD —

1.5

ns

TAD

AD62 tCSS

Conversion Completion to

— 0.5 TAD —

ns

Sample Start (ASAM = 1)

AD63 tDPU(2) Time to Stabilize Analog Stage

—

—

20

μs

from A/D Off to A/D On

Note 1: Because the sample caps will eventually lose charge, clock rates below 10 kHz can affect linearity

performance, especially at elevated temperatures.

2: tDPU is the time required for the ADC module to stabilize when it is turned on (ADCON1<ADON> = 1).

During this time the ADC result is indeterminate.

© 2008 Microchip Technology Inc.

DS70139F-page 183

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