User Manual

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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
Typical Operating 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 (R
LOUT
) connected from LOUTL or LOUTR to SPKLGND, 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.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX98089 toc95
OUTPUT POWER (W)
THD+N RATIO (dB)
0.060.050.03 0.040.020.01
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0 0.07
MCLK = 12.288MHz
LRCLK = 48kHz
256F
S
MODE
LOW POWER MODE
R
HP
= 16I
AV
HP_
= +3dB
WLP PACKAGE
f = 6000Hz
f = 1000Hz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO HEADPHONE)
MAX98089 toc96
FREQUENCY (Hz)
THD+N RATIO (dB)
1k100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 10k
P
OUT
= 0.01W
P
OUT
= 0.02W
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R
HP
= 32I
AV
HP_
= +3dB
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX98089 toc97
FREQUENCY (Hz)
THD+N RATIO (dB)
10k1k100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 100k
MCLK = 13MHz
LRCLK = 44.1kHz
PLL MODE
R
HP
= 32I
AV
HP_
= +3dB
P
OUT
= 0.01W
P
OUT
= 0.02W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX98089 toc98
FREQUENCY (Hz)
THD+N RATIO (dB)
10k1k100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 100k
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
R
HP
= 32I
AV
HP_
= +3dB
P
OUT
= 0.02W
P
OUT
= 0.01W
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX98089 toc99
FREQUENCY (Hz)
THD+N RATIO (dB)
10k1k100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 100k
MCLK = 12.288MHz
LRCLK = 96kHz
NI MODE
R
HP
= 32I
AV
HP_
= +3dB
P
OUT
= 0.02W
P
OUT
= 0.02W