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Max9867 ultra-low power stereo audio codec, Electrical characteristics (continued) – Rainbow Electronics MAX9867 User Manual

Page 3

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MAX9867

Ultra-Low Power Stereo Audio Codec

_______________________________________________________________________________________

3

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Shutdown to Full Operation

Excludes PLL lock time

10

ms

Soft-Start/-Stop Time

10

ms

DAC (Note 4)

Master or slave
mode

90

Dynamic Range (Note 5)

DR

f

S

= 48kHz, AV

VOL

=

+0dB, T

A

= +25°C

Slave mode

84

dB

Differential mode

1

Full-Scale Output

V

OLL

/V

OLR

= 0 x 09

Capacitorless and
single-ended modes

0.56

V

RMS

Gain Error

DC accuracy, measured with respect to
full-scale output

1

5

%

f

S

= 8kHz

1.2

Voice Path Phase Delay

P

DLY

f = 1kH z, 0d BFS , H P
fi l ter d i sab l ed , d i g i tal
i np ut to anal og outp ut

f

S

= 16kHz

0.59

ms

Total Harmonic Distortion

THD

MCLK = 12.288MHz, f

S

= 48kHz, 0dBFS,

measured at headphone outputs

-80

dB

DAC Attenuation Range

AV

DAC

DACA = 0xF to 0x0

-15

0

dB

DAC Gain Adjust

AV

GAIN

DACG = 00 to 11

0

+18

dB

V

AVDD

= V

PVDD

= 1.65V to 1.95V

60

78

f = 217Hz, V

RIPPLE

= 100mV

P-P

,

AV

VOL

= 0dB

78

f = 1kHz, V

RIPPLE

= 100mV

P-P

,

AV

VOL

= 0dB

75

Power-Supply Rejection Ratio

PSRR

f = 10kHz, V

RIPPLE

= 100mV

P-P

,

AV

VOL

= 0dB

62

dB

DAC VOICE MODE DIGITAL IIR LOWPASS FILTER

With respect to f

S

within ripple; f

S

= 8kHz to

48kHz

0.448 x

f

S

Passband Cutoff

f

PLP

-3dB cutoff

0.451 x

f

S

Hz

Passband Ripple

f < f

PLP

±0.1

dB

Stopband Cutoff

f

SLP

With respect to f

S

; f

S

= 8kHz to 48kHz

0.476 x

f

S

Hz

Stopband Attenuation

f > f

SLP

, f = 20Hz to 20kHz

75

dB

ELECTRICAL CHARACTERISTICS (continued)

(V

AVDD

= V

PVDD

= V

DVDD

= V

DVDDIO

= +1.8V, R

L

= ∞, headphone load (R

L

) connected between _OUTP and _OUTN in differential

mode, C

REF

= 2.2μF, C

MICBIAS

= C

PREG

= C

REG

= 1μF, AV

PRE

= +20dB, AV

PGAM

= 0dB, AV

DAC

= 0dB, AV

LINE

= +20dB, AV

VOL

=

0dB, MCLK = 13MHz, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.) (Note 2)