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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.)
FREQUENCY (Hz)
10k
1k
100
10
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (DAC TO SPEAKER)
MAX98089
toc64
THD+N
RATIO
(dB)
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 4I + 33H
AVSPK_ = +8dB
POUT = 0.25W
POUT = 0.55W
OUTPUT POWER vs. SUPPLY VOLTAGE
(DAC TO SPEAKER)
MAX98089
toc65a
SUPPLY VOLTAGE (V)
OUTPUT
POWER
PER
CHANNEL
(mW)
5.0
4.5
4.0
3.5
3.0
500
1000
1500
2000
2500
0
2.5
5.5
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 8I + 68H
AVSPK_ = +8dB
TQFN PACKAGE
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
(DAC TO SPEAKER)
MAX98089
toc66
SUPPLY VOLTAGE (V)
OUTPUT
POWER
PER
CHANNEL
(mW)
5.0
4.5
3.0
3.5
4.0
500
1000
1500
2000
2500
3000
3500
4000
0
2.5
5.5
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 4I + 33H
AVSPK_ = +8dB
TQFN PACKAGE
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
(DAC TO SPEAKER)
MAX98089
toc65b
SUPPLY VOLTAGE (V)
OUTPUT
POWER
PER
CHANNEL
(mW)
5.0
4.5
4.0
3.5
3.0
500
1000
1500
2000
2500
0
2.5
5.5
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 8I + 68H
AVSPK_ = +8dB
WLP PACKAGE
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
(DAC TO SPEAKER)
MAX98089
toc67
SUPPLY VOLTAGE (V)
OUTPUT
POWER
PER
CHANNEL
(mW)
5.0
4.5
3.0
3.5
4.0
500
1000
1500
2000
2500
3000
3500
4000
0
2.5
5.5
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
ZSPK_ = 4I + 33H
AVSPK_ = +8dB
WLP PACKAGE
THD+N = 10%
THD+N = 1%
Maxim Integrated
41
MAX98089