MAS3549F datasheet(71/92 Pages) MICRONAS

部件名	MAS3549F

功能描述	MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec

PDF	92 Pages

Scroll/Zoom	100%

制造商	MICRONAS [Micronas]

网页	http://www.micronas.com

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71 / 92 page

DATA SHEET

MAS 35x9F

Micronas

June 30, 2004; 6251-505-1DS

4.6.2. Digital Characteristics

at T = TA, VSUPD, VSUPA = 2.2 ... 3.6 V, fCrystal = 18.432 MHz, Typ. values for TA =25 °C in P(L/M)QFP package

Symbol

Parameter

Pin Name

Limit Values

Unit

Test Conditions

Min.

Typ.

Max.

Digital Supply Voltage

ISUPD

Current consumption

VDD,

XVDD,

I2CVDD

2.2 V, sampling fre-

quency

≥ 32 kHz

ISUPD

Current consumption

2.2 V, sampling fre-

quency

≤ 24 kHz

ISUPD

Current consumption

2.2 V, sampling fre-

quency

≤ 12 kHz

ISTANDBY

Total current at stand-by

µA

DSP off, Codec off,

DC/DC off, AD and

DAC off, no I2C access

Digital Outputs and Inputs

ODigL

Output low voltage

PI<I>,

SOI,

SOC,

SOD,

EOD,

PRTR,

PRTW,

CLKO,

SYNC, PUP,

SPDO

0.3

Iload = 2 mA

ODigH

Output low voltage

VSUPx

−0.3

VIload = −2mA

ZDigI

Input impedance

ALL DIGITAL

INPUTS

7pF

IDLeak

Digital input leakage cur-

rent

−11

µA

0 V < Vpin < VSUPD

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