PIC32MX230F064B-I/SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC32MX230F064B-I/SS

32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

Microchip Technology 

PIC32MX1XX/2XX

TABLE 29-34: ANALOG-TO-DIGITAL CONVERSION TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 2.5V to 3.6V

(unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +85°C for Industrial

-40°C ≤ TA ≤ +105°C for V-temp

Param.

No.

Symbol

Characteristics

Min. Typical(1) Max. Units

Conditions

Clock Parameters

AD50 TAD

ADC Clock Period(2)

65

—

—

ns See Table 29-33

Conversion Rate

AD55 TCONV Conversion Time

—

12 TAD

—

—

—

AD56 FCNV

Throughput Rate

(Sampling Speed)

—

—

1000 ksps AVDD = 3.0V to 3.6V

—

—

400 ksps AVDD = 2.5V to 3.6V

AD57 TSAMP Sample Time

1 TAD

—

—

— TSAMP must be ≥ 132 ns

Timing Parameters

AD60 TPCS

Conversion Start from Sample

Trigger(3)

—

1.0 TAD

—

— Auto-Convert Trigger

(SSRC<2:0> = 111)

not selected

AD61 TPSS Sample Start from Setting

0.5 TAD

—

1.5 TAD —

—

Sample (SAMP) bit

AD62 TCSS Conversion Completion to

—

0.5 TAD

—

—

—

Sample Start (ASAM = 1)(3)

AD63 TDPU Time to Stabilize Analog Stage

—

—

2

μs

—

from ADC Off to ADC On(3)

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.

3: Characterized by design but not tested.

© 2011 Microchip Technology Inc.

Preliminary

DS61168C-page 277

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