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Stereo Audio CODEC
with FlexSound Technology
MAX9888
32
Typical Operating Characteristics (continued)
(VAVDD = VHPVDD = 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 GND. RHP = J, RREC = J, ZSPK = J, CREF = 2.2FF, CMICBIAS = CPREG = CREG = 1FF, CC1N-C1P = 1FF, CHPVSS
= 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN = 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB, AVADCGAIN = 0dB,
AVPGAIN_ = 0dB, AVPGAOUT_ = 0dB, AVHP_ = 0dB, AVREC = 0dB, AVSPK_ = 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS =
1. TA = +25NC, unless otherwise noted.)
Line to ADC
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (LINE TO ADC)
MAX9888
toc20
FREQUENCY (Hz)
THD+N
RATIO
(dB)
10,000
1000
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
100,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
VIN = 1.4VP-P
AVPGAIN_ = -6dB
CIN = 1F
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (LINE TO ADC)
MAX9888
toc21
FREQUENCY (Hz)
THD+N
RATIO
(dB)
10,000
1000
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
VIN = 1VP-P
CIN = 1F
AVPGAIN_ = 0dB
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (LINE TO ADC)
MAX9888
toc22
FREQUENCY (Hz)
THD+N
RATIO
(dB)
10,000
1000
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
VIN = 0.1VP-P
AVPGAIN_ = +20dB
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (LINE TO ADC)
MAX9888
toc23
FREQUENCY (Hz)
THD+N
RATIO
(dB)
10,000
1000
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
VIN = 1VRMS
EXTERNAL GAIN MODE
RIN = 56kI, CIN = 1F
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (LINE TO ADC)
MAX9888
toc24
FREQUENCY (Hz)
PSRR
(dB)
10,000
1000
100
-100
-80
-60
-40
-20
0
-120
10
100,000
VRIPPLE = 200mVP-P
INPUTS AC GROUNDED
RIPPLE ON AVDD,
DVDD, HPVDD
RIPPLE ON
SPKLVDD, SPKRVDD