Datasheet

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
= 0x09
Capacitorless and
single-ended modes
0.56
V
RMS
Gain Error
DC accuracy, measured with respect to
full-scale output
15%
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)