MAS3549F datasheet(70/92 Pages) MICRONAS

70 / 92 page

MAS 35x9F

DATA SHEET

June 30, 2004; 6251-505-1DS

Micronas

Table 4–5: Analog input and output recommendations

Symbol

Parameter

Pin Name

Limit Values

Unit

Min.

Typ.

Max.

Analog Reference

CAGNDC1

Analog filter capacitor

AGNDC

1.0

3.3

µF

CAGNDC2

Ceramic capacitor in parallel

CPVDD

Capacitor for analog circuitry

PVDD

Analog Audio Inputs

CinAD

DC-decoupling capacitor at A/D-

converter inputs

INL/R

390

CinMI

DC-decoupling capacitor at

microphone-input

MICIN

390

CLMICBI

Minimum-Capacitance at micro-

phone bias

MICBI

3.3

Analog Audio Filter Outputs

CFILT

Filter capacitor for headphone

amplifier

high-Q type,

NP0 or C0G material

FILTL/R

OUTL/R

−20 %

470

+20 %

Analog Audio Output

ZAOL_HP

Analog output load with stereo

headphones

OUTL/R

Ω

100

DC/DC-Converter External Circuitry (please refer to application example)

VSENS blocking

(<100 m

Ω ESR)

VSENS1/2

330

µF

VTH

Schottky diode threshold voltage

DCSO1/2

VSENS1/2

0.39

Ferrite core coil inductance

DCSO1/2

µH

S/PDIF Interface Analog Input

CSPI

S/PDIF coupling capacitor

SPDI1/2

SPDIR

100

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