MAX9880A 데이터 시트보기 (PDF) - Maxim Integrated
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MAX9880A Datasheet PDF : 70 Pages
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Low-Power, High-Performance
Dual I2S Stereo Audio Codec
Typical Operating Characteristics (continued)
(VAVDD = VPVDD = VMICVDD = VDVDD = VDVDDS1 = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN,
CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB, AVVOL = 0dB,
AVLO = 0dB, fMCLK = 13MHz, differential output, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MICROPHONE TO ADC)
0
VRIPPLE = 100mVP-P
-10 fMCLK = 12.288MHz
-20 fLRCLK = 48kHz
-30
-40
-50
-60
-70
-80
-90
-100
1
10 100 1k 10k 100k
FREQUENCY (Hz)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MICBIAS)
0
VRIPPLE = 100mVP-P
-20
-40
-60
-80
-100
-120
1
10 100 1k 10k 100k
FREQUENCY (Hz)
FFT, DAC TO HEADPHONE,
0dBFS, fMCLK = 13MHz, fLRCLK = 8kHz
20
FREQ1 = 0xA
0
-20
-40
-60
-80
-100
-120
-140
0
5k
10k
15k
20k
FREQUENCY (Hz)
FFT, DAC TO HEADPHONE,
-60dBFS, fMCLK = 13MHz, fLRCLK = 8kHz
20
FREQ1 = 0xA
0
-20
-40
-60
-80
-100
-120
-140
0
5k
10k
15k
20k
FREQUENCY (Hz)
FFT, DAC TO HEADPHONE,
0dBFS, fMCLK = 12.288MHz, fLRCLK = 48kHz
20
NI = 0x6000
0
-20
-40
-60
-80
-100
-120
-140
0
5k
10k
15k
20k
FREQUENCY (Hz)
FFT, DAC TO HEADPHONE,
-60dBFS, fMCLK = 12.288MHz, fLRCLK = 48kHz
20
NI = 0x6000
0
-20
-40
-60
-80
-100
-120
-140
0
5k
10k
15k
20k
FREQUENCY (Hz)
FFT, DAC TO HEADPHONE,
0dBFS, fMCLK = 12.288MHz, fLRCLK = 96kHz
20
NI = 0x6000
0 DHF = 1
FFT, DAC TO HEADPHONE,
-60dBFS, fMCLK = 12.288MHz, fLRCLK = 96kHz
20
NI = 0x6000
0 DHF = 1
FFT, DAC TO HEADPHONE,
0dBFS, fMCLK = 13MHz, fLRCLK = 48kHz
20
PLL MODE
0
-20
-20
-20
-40
-40
-40
-60
-60
-60
-80
-80
-80
-100
-100
-100
-120
-120
-120
-140
0
-140
5k
10k
15k
20k
0
FREQUENCY (Hz)
5k
10k
15k
20k
FREQUENCY (Hz)
-140
0
5k
10k
15k
20k
FREQUENCY (Hz)
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