DAC3550A datasheet(21/35 Pages) MICRONAS

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DAC 3550A

Micronas

Analog Audio

VAO

Analog Output Voltage AC

OUTL/R,

FOUTL/R,

FINL/R

0.65

0.7

0.75

Vrms

SEL_53V = 0,

RL > 5 kΩ,

Analog Gain = 0 dB

Input = 0 dBFS digital

1.0

1.05

1.1

Vrms

SEL_53V = 1

GAUX

Gain from Auxiliary Inputs to

Line Outputs

AUXnL/R,

FINL/R

−0.5

0.5

f = 1 kHz, sine wave,

RL >5 kΩ

0.5 Vrms to AUXnL/R

PHP

Output Power (Headphone)

OUTL/R

SEL_53V = 0,

RL = 32 Ω,

Analog Gain = +3 dB,

distortion < 1%,

external 47

Ω series

resistor required

SEL_53V = 1

PSP

Output Power (Speaker)

OUTL/R

120

RL = 32 Ω (bridged),

Analog Gain = +3 dB,

distortion < 10%,

SEL_53V = 0, IRPA = 1

280

SEL_53V = 1

GAO

Analog Output Gain

Setting Range

OUTL/R

−75

dGAO1

Analog Output Gain

Step Size

OUTL/R

3.0

Analog Gain:

−75 dB...−54 dB

dGAO2

Analog Output Gain

Step Size

OUTL/R

1.5

Analog Gain:

−54 dB...+18 dB

EGA1

Analog Output Gain Error

OUTL/R

−22

−46.5 dB≥Analog Gain

≥−54 dB

EGA2

Analog Output Gain Error

OUTL/R

−11

−40.5 dB≥Analog Gain

≥−45 dB

EGA3

Analog Output Gain Error

OUTL/R

−0.5

0.5

+18 dB

≥Analog Gain

≥−39 dB

EdGA

Analog Output Gain

Step Size Error

OUTL/R

−0.5

0.5

+18 dB

≥Analog Gain

≥−48 dB

SNRAUX

Signal-to-Noise Ratio from

Analog Input to Line Output

AUXn,

FINL/R

SEL_53V = 0:

input

−40 dB below

0.7 Vrms

Analog Gain = 0 dB,

BW =20 Hz...20 kHz

unweighted

Signal-to-Noise Ratio from

Analog Input to Headphone

Output

AUXn,

OUTn

Symbol

Parameter

Pin Name

Min.

Typ.

Max.

Unit

Test Conditions

DAC3550A Datasheet(PDF) 21 Page - Micronas

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