DSPIC33FJ64GP310AT-I/PF 查看數據表（PDF） - Microchip Technology

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DSPIC33FJ64GP310AT-I/PF

High-Performance, 16-Bit Digital Signal Controllers

Microchip Technology 

dsPIC33FJXXXGPX06/X08/X10

TABLE 25-37: ADC MODULE SPECIFICATIONS

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(unless otherwise stated)

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

Param

No.

Symbol

Characteristic

Min.

Typ

Max. Units

Conditions

Device Supply

AD01 AVDD Module VDD Supply

Greater of — Lesser of V

—

VDD - 0.3

VDD + 0.3

or 3.0

or 3.6

AD02 AVSS Module VSS Supply

VSS - 0.3 — VSS + 0.3 V

—

Reference Inputs

AD05 VREFH Reference Voltage High AVSS + 2.7 —

AVDD

V See Note 2

AD05a

3.0

—

3.6

V VREFH = AVDD

VREFL = AVSS = 0

AD06 VREFL Reference Voltage Low AVSS

— AVDD - 2.7 V See Note 2

AD06a

0

—

0

V VREFH = AVDD

VREFL = AVSS = 0

AD07 VREF

Absolute Reference

Voltage

3.0

—

3.6

V VREF = VREFH - VREFL

AD08 IREF Current Drain

—

250

550

μΑ ADC operating, see Note 2

—

—

1

μΑ ADC off, see Note 2

AD08a IAD

Operating Current

—

7.0

9.0

mA 10-bit ADC mode, See Note 3

—

2.7

3.2

mA 12-bit ADC mode, See Note 3

Analog Input

AD12 VINH

Input Voltage Range

VINH

VINL

—

VREFH

V This voltage reflects Sample

and Hold Channels 0, 1, 2,

and 3 (CH0-CH3), positive

input. See Note 1

AD13 VINL

Input Voltage Range

VINL

VREFL

— AVSS + 1V V This voltage reflects Sample

and Hold Channels 0, 1, 2,

and 3 (CH0-CH3), negative

input. See Note 1

AD17 RIN

Recommended Imped-

—

ance of Analog Voltage

Source

—

200

Ω 10-bit

200

Ω 12-bit

Note 1:

2:

3:

The ADC conversion result never decreases with an increase in the input voltage, and has no missing

codes.

These parameters are not characterized or tested in manufacturing.

These parameters are characterized; but are not tested in manufacturing.

© 2009 Microchip Technology Inc.

DS70286C-page 289

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