Rainbow Electronics MAX98088 - Manual (Page 39)

Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
39
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.)
DAC to Speaker
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
(DAC TO SPEAKER)
MAX98088 toc56
OUTPUT POWER (W)
THD+N RATIO (dB)
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
1.2 1.0 0.6 0.8 0.4 0.2 0
V SPK_VDD = 4.2V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK_ = 8I + 68µH
AV SPK_ = +8dB
f = 6000Hz
f = 1000Hz
f = 100Hz
OUTPUT POWER (W)
0.8 0.6 0.4 0.2 0 1.0
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
(DAC TO SPEAKER)
MAX98088 toc57
THD+N RATIO (dB)
-90
-80
-70
-60
-50
-40
-30
-20
-10
V SPK_VDD = 3.7V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 8I + 68µH
AV SPK_ = +8dB
f = 6000Hz
f = 1000Hz
f = 100Hz
0
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
(DAC TO SPEAKER)
MAX98088 toc58
OUTPUT POWER (W)
THD+N RATIO (dB)
0.5 0.4 0.1 0.2 0.3
-70
-60
-50
-40
-30
-20
-10
0
-80
0 0.6
f = 6000Hz
f = 1000Hz
f = 100Hz
V SPK_VDD = 3V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK_ = 8I + 68µH
AV
SPK_
= +8dB
OUTPUT POWER (W)
2.0 1.5 1.0 0.5 0 2.5
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
(DAC TO SPEAKER)
MAX98088 toc59
THD+N RATIO (dB)
-90
-80
-70
-60
-50
-40
-30
-20
-10
V SPK_VDD = 4.2V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 4I + 33µH
AV SPK_ = +8dB
f = 6000Hz
f = 1000Hz
f = 100Hz
0
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
(DAC TO SPEAKER)
MAX98088 toc60
OUTPUT POWER (W)
THD+N RATIO (dB)
1.5 1.0 0.5
-70
-60
-50
-40
-30
-20
-10
0
-80
0 2.0
V SPK_VDD = 3.7V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 4I + 33µH
AV SPK_ = +8dB
f = 1000Hz
f = 100Hz
f = 6000Hz