MAS3549F datasheet(81/92 Pages) MICRONAS

81 / 92 page

DATA SHEET

MAS 35x9F

Micronas

June 30, 2004; 6251-505-1DS

4.6.3. Analog Characteristics

at T = TA, VSUPDn, VSUPx = 2.2 to 3.6 V, VSUPA = 2.2 to 3.6 V, fCRYSTAL = 13 to 20 MHz,

typical values at TA =25 °C and fCRYSTAL = 18.432 MHz in P(L/M)QFP package

Symbol

Parameter

Pin Name

Limit Values

Unit

Test Conditions

Min.

Typ.

Max.

Analog Supply

IAVDD

Current consumption analog

audio

AVDD0/1

VSUPA = 2.2 V, Mute

IQOSC

Current consumption crystal

oscillator

AVDD0/1

200

µA

Codec = off

DSP = off

DC/DC = on

ISTANDBY

Codec = off

DSP = off

DC/DC = off

Crystal Oscillator

VDCCLK

DC voltage at oscillator pins

XTI, XTO

0.5

VSUPA

VACLK

Clock amplitude

0.5

VSUPA

−0.5

VPP

if crystal is used

CIN

Input capacitance

ROUT

Output resistance

XTO

220

Ω

VSUPA =2.2 V

125

VSUPA =2.7 V

VSUPA =3.3 V

Analog Reference

VAGNDC

Analog Reference Voltage

AGNDC

RL >> 10 MΩ,

referred to VREF

VSUPA

bits[15], [14] in

1.1

>2.2 V

1.3

>2.4 V

1.6

>3.0 V

VMICBI

Bias voltage for microphone

MICBI

VSUPA

bits[15], [14] in

1.8

>2.2 V

2.13

>2.4 V

2.62

>3.0 V

RMICBI

Source resistance

MICBI

180

Ω

IMAX

Maximum current microphone

bias

MICBI

µAV

SUPA

bits[15], [14] in

300

>2.2 V

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