Typical operating characteristics (continued) – Rainbow Electronics MAX98088 User Manual
Page 45
Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
45
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. 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.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO HEADPHONE)
MAX98088 toc89
OUTPUT POWER (W)
THD+N RATIO (dB)
0.04
0.03
0.02
0.01
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0
0.05
f = 6000H
z
f = 1000H
z
f = 100H
z
MCLK = 12.288MHz
LRCLK = 48kHz
256 Fs MODE
LOW POWER MODE
R
HP
= 16I
AV
HP_
= +3dB
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO HEADPHONE)
MAX98088 toc90
FREQUENCY (Hz)
THD+N RATIO (dB)
1000
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
10,000
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)
MAX98088 toc91
FREQUENCY (Hz)
THD+N RATIO (dB)
10,000
1000
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
100,000
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)
MAX98088 toc92
FREQUENCY (Hz)
THD+N RATIO (dB)
10,000
1000
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
100,000
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)
MAX98088 toc93
FREQUENCY (Hz)
THD+N RATIO (dB)
10,000
1000
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100,000
MCLK = 12.288MHz
LRCLK = 96kHz
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)
MAX98088 toc94
FREQUENCY (Hz)
THD+N RATIO (dB)
10,000
1000
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
100,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
R
HP
= 16I
AV
HP_
= +3dB
P
OUT
= 0.01W
P
OUT
= 0.02W