Low-Power, Stereo Audio Codec
with FlexSound Technology
Typical Operating Characteristics (continued)
(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = 1.8V, VSPKLVDD = VSPKRVDD = 3.7V. Speaker loads (ZSPK) connected between
SPK_P and SPK_N. Receiver load (RREC) connected between RECP and RECN. Headphone loads (RHP) connected from HPL or HPR
to HPGND. Line out (RLOUT) connected from LOUTL or LOUTR to SPKLGND, CREF = 2.2FF, CMICBIAS = CREG = 1FF, CC1N-C1P =
1FF, CHPVDD = CHPVSS = 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN = 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB,
AVADCGAIN = 0dB, AVPGAIN_ = 0dB, AVHP_ = 0dB, AVREC = 0dB, AVSPK_ = 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. TA
= +25NC, unless otherwise noted.)
DAC to Speaker
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
MAX98089
toc54
OUTPUT POWER (W)
THD+N
RATIO
(dB)
1.2
1.0
0.6
0.8
0.4
0.2
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0
1.4
VSPK_VDD = 4.2V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 8I + 68H
AVSPK_ = +8dB
f = 100Hz
f = 1000Hz
f = 6000Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
MAX98089
toc55
OUTPUT POWER (W)
THD+N
RATIO
(dB)
0.8
0.6
0.4
0.2
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0
1.0
VSPK_VDD = 3.7V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSP_ = 8I + 68H
AVSPK_ = +8dB
f = 6000Hz
f = 1000Hz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
MAX98089
toc56
OUTPUT POWER (W)
THD+N
RATIO
(dB)
0.7
0.6
0.1 0.2 0.3 0.4 0.5
-70
-60
-50
-40
-30
-20
-10
0
-80
0
0.8
VSPK_VDD = 3.0V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK = 8I + 33H
AVSPK = +8dB
f = 6000Hz
f = 1000Hz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
MAX98089
toc57a
OUTPUT POWER (W)
THD+N
RATIO
(dB)
3.0
2.5
1.5
2.0
1.0
0.5
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0
3.5
VSPK_VDD = 5.0V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 4I + 33H
AVSPK_VOL = +8dB
TQFN PACKAGE
f = 100Hz
f = 1000Hz
f = 6000Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
MAX98089
toc57b
OUTPUT POWER (W)
THD+N
RATIO
(dB)
3.0
2.5
1.5
2.0
1.0
0.5
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0
3.5
VSPK_VDD = 5.0V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 4I + 33H
AVSPK_VOL = +8dB
WLP PACKAGE
f = 100Hz
f = 1000Hz
f = 6000Hz
Maxim Integrated
39
MAX98089