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ManualsBrandsMAXIM INTEGRATED ManualsLinear ICsMAX9880AETM+
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MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
______________________________________________________________________________________
19
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MICROPHONE TO ADC)
MAX9880A toc37
FREQUENCY (Hz)
PSRR (dB)
10k1k10010
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
1 100k
V
RIPPLE
= 100mV
P-P
f
MCLK
= 12.288MHz
f
LRCLK
= 48kHz
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MICBIAS)
MAX9880A toc38
FREQUENCY (Hz)
PSRR (dB)
10k1k10010
-100
-80
-60
-40
-20
0
-120
1 100k
V
RIPPLE
= 100mV
P-P
FFT, DAC TO HEADPHONE,
0dBFS, f
MCLK
= 13MHz, f
LRCLK
= 8kHz
MAX9880A toc39
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
020k
FREQ1 = 0xA
FFT, DAC TO HEADPHONE,
-60dBFS, f
MCLK
= 13MHz, f
LRCLK
= 8kHz
MAX9880A toc40
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
0 20k
FREQ1 = 0xA
FFT, DAC TO HEADPHONE,
0dBFS, f
MCLK
= 12.288MHz, f
LRCLK
= 48kHz
MAX9880A toc41
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
0 20k
NI = 0x6000
FFT, DAC TO HEADPHONE,
-60dBFS, f
MCLK
= 12.288MHz, f
LRCLK
= 48kHz
MAX9880A toc42
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
0 20k
NI = 0x6000
FFT, DAC TO HEADPHONE,
0dBFS, f
MCLK
= 12.288MHz, f
LRCLK
= 96kHz
MAX9880A toc43
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
0 20k
NI = 0x6000
DHF = 1
FFT, DAC TO HEADPHONE,
-60dBFS, f
MCLK
= 12.288MHz, f
LRCLK
= 96kHz
MAX9880A toc44
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
0 20k
NI = 0x6000
DHF = 1
FFT, DAC TO HEADPHONE,
0dBFS, f
MCLK
= 13MHz, f
LRCLK
= 48kHz
MAX9880A toc45
FREQUENCY (Hz)
AMPLITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
020k
PLL MODE
Typical Operating Characteristics (continued)
(V
AVDD
= V
PVDD
= V
MICVDD
= V
DVDD
= V
DVDDS1
= +1.8V, R
L
= ∞, headphone load (R
L
) connected between _OUTP and _OUTN,
C
REF
= 2.2µF, C
MICBIAS
= C
PREG
= C
REG
= 1µF, AV
PRE
= +20dB, AV
PGAM
= 0dB, AV
DAC
= 0dB, AV
LINE
= +20dB, AV
VOL
= 0dB,
AV
LO
= 0dB, f
MCLK
= 13MHz, differential output, unless otherwise noted.)