Rainbow Electronics MAX98089 - Manual (Page 48)

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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 toc101
FREQUENCY (Hz)
THD+N RATIO (dB)
10k 1k 100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 100k
MCLK = 12.288MHz
LRCLK = 48kHz
LOW-POWER MODE
R
HP = 16I,
AV HP_ = +3dB
P OUT = 0.01W
P OUT = 0.02W
GAIN vs. FREQUENCY
(DAC TO HEADPHONE)
MAX98089 toc102
FREQUENCY (Hz)
NORMALIZED GAIN (dB)
10k 1k 100
-70
-60
-50
-40
-30
-20
-10
0
10
-80
10 100k
MODE = 1
MODE = 0
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R
HP = 32I
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX98089 toc100
FREQUENCY (Hz)
THD+N RATIO (dB)
10k 1k 100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 100k
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
R
HP = 16I,
AV HP_ = +3dB
P OUT = 0.01W P OUT = 0.02W