MAX98089 Datasheet, PDF (39/131 Pages) Maxim Integrated Products – Low-Power, Stereo Audio Codec with FlexSound Technology 93dB DR Stereo ADC

MAX98089
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 (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)
0
VSPK_VDD = 4.2V
-10 _{MCLK = 12.288MHz}
-20
LRCLK = 48kHz
NI MODE
-30 ^ZSPK_ ^{= 8I + 68µH}
AVSPK_ = +8dB
-40
f = 6000Hz
-50
-60
f = 1000Hz
-70
-80
-90
0
f = 100Hz
0.2 0.4 0.6 0.8 1.0 1.2 1.4
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
0
VSPK_VDD = 3.7V
-10 MCLK = 12.288MHz
-20
LRCLK = 48kHz
NI MODE
-30 ^ZSP_ ^{= 8I + 68µH}
AVSPK_ = +8dB
-40
f = 6000Hz
-50
-60
f = 1000Hz
-70
-80
-90
0
f = 100Hz
0.2 0.4 0.6 0.8 1.0
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
0
VSPK_VDD = 3.0V
-10 MCLK = 12.288MHz
LRCLK = 48kHz
-20 NI MODE
Z_SPK = 8I + 33µH
-30 _{AVSPK = +8dB}
-40
f = 6000Hz
-50 ^{f = 1000Hz}
-60
-70
-80
0
f = 100Hz
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
0
VSPK_VDD = 5.0V
-10 _{MCLK = 12.288MHz}
-20
LRCLK = 48kHz
NI MODE
-30 ^ZSPK_ ^{= 4I + 33µH}
AVSPK_VOL = +8dB
-40 _{TQFN PACKAGE}
-50
-60
f = 6000Hz
-70
-80 ^{f = 100Hz}
f = 1000Hz
-90
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO SPEAKER)
0
VSPK_VDD = 5.0V
-10 _{MCLK = 12.288MHz}
-20
LRCLK = 48kHz
NI MODE
-30 ^ZSPK_ ^{= 4I + 33µH}
AVSPK_VOL = +8dB
-40 _{WLP PACKAGE} f = 6000Hz
-50
-60
-70
-80 _{f = 100Hz}
f = 1000Hz
-90
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
OUTPUT POWER (W)
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