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Manual

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Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
17
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
PVDD
= V
DVDD
= V
DVDDS1
= V
DVDDS2
= +1.8V, V
SPKLVDD
= V
SPKRVDD
= 3.7V. Speaker loads (Z
SPK
) connected
between SPK_P and SPK_N. Receiver load (R
REC
) connected between RECP and RECN. Headphone loads (R
HP
) connected from
HPL or HPR to HPGND. Line out loads (R
LOAD
) connected from LOUTL and LOUTR to ground. R
LOAD
= R
HP
= J, R
REC
= J, Z
SPK
= J, C
REF
= 2.2FF, C
MICBIAS
= C
REG
= 1FF, C
C1N-C1P
= 1FF, C
HPVDD
= C
HPVSS
= 1FF. AV
MICPRE_
= +20dB, AV
MICPGA_
= 0dB,
AV
DACATTN
= 0dB, AV
DACGAIN
= 0dB, AV
ADCLVL
= 0dB, AV
ADCGAIN
= 0dB, AV
PGAIN_
= 0dB, AV
HP_
= 0dB, AV
REC
= 0dB, AV
SPK_
= 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T
A
= +25NC, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DAC TO HEADPHONE AMPLIFIER PATH
Dynamic Range (Note 4) DR f
S
= 48kHz
Master or slave mode 101
dBSlave mode 97
Low power mode 95 97
Total Harmonic Distortion
+ Noise
THD+N f = 1kHz, P
OUT
= 20mW
R
HP
= 16I
-84 -64
dB
R
HP
= 32I
-83
Crosstalk
HPL to HPR and HPR to HPL, P
OUT
= 5mW,
f = 1kHz, R
HP
= 32I
83 dB
Power-Supply Rejection
Ratio
PSRR
V
AVDD
= V
PVDD
= 1.65V to 2.0V 46 54
dB
f = 217Hz, V
RIPPLE
= 200mV
P-P
,
AV
VOL
= 0dB
72
f = 1kHz, V
RIPPLE
= 200mV
P-P
,
AV
VOL
= 0dB
63
f = 10kHz, V
RIPPLE
= 200mV
P-P
,
AV
VOL
= 0dB
43
DAC Path Phase Delay
1kHz, 0dB input, highpass
filter disabled measured
from digital input to analog
output
MODE = 0 (voice)
8kHz
2.2
ms
MODE = 0 (voice)
16kHz
1.1
MODE = 1 (music)
8kHz
4.5
MODE = 1 (music)
48kHz
0.76
Gain Error 1 5 %
Channel Gain Mismatch 1 %
Click-and-Pop Level K
CP
Peak voltage, A-weighted,
32 samples per second,
AV
HP_
= 0dB
Into shutdown -62
dBV
Out of shutdown -63
LINE INPUT TO HEADPHONE AMPLIFIER PATH
Total Harmonic Distortion
+ Noise
THD+N
V
IN
= 1V
P-P
, f =1kHz, R
L
= 32I
81 dB
Dynamic Range (Note 4) 92.5 dB
Click-and-Pop Level K
CP
Peak voltage, A-weighted,
32 samples per second,
AV
HP_
= 0dB
Into shutdown -62
dBV
Out of shutdown -63