Rainbow Electronics MAX98089 - Manual (Page 39)

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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.)
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
V SPK_VDD = 4.2V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK_ = 8I + 68µH
AV SPK_ = +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
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
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
V SPK_VDD = 3.0V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK = 8I + 33µH
AV SPK = +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
V SPK_VDD = 5.0V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK_ = 4I + 33µH
AV SPK_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
V SPK_VDD = 5.0V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK_ = 4I + 33µH
AV SPK_VOL = +8dB
WLP PACKAGE
f = 100Hz
f = 1000Hz
f = 6000Hz