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.)
WIDEBAND FFT, DAC TO HEADPHONE,
0dBFS, fMCLK = 13MHz, fLRCLK = 8kHz
20
FREQ1 = 0xA
0
-20
-40
-60
-80
-100
-120
WIDEBAND FFT, DAC TO HEADPHONE,
-60dBFS, fMCLK = 13MHz, fLRCLK = 8kHz
0
FREQ1 = 0xA
-20
-40
-60
-80
-100
-120
DAC IIR HIGHPASS FILTER FREQUENCY
RESPONSE, MODE = 0
20
DVFLT = 0
fLRCLK = 8kHz
0
DVFLT = 3
-20
-40
-60
DVFLT = 4
-80
-140
0
20k 40k 60k 80k 100k 120k
FREQUENCY (Hz)
-140
0
20k 40k 60k 80k 100k 120k
FREQUENCY (Hz)
-100
0
100 200 300 400 500 600
FREQUENCY (Hz)
ADC IIR HIGHPASS FILTER FREQUENCY
RESPONSE, MODE = 0
20
AVFLT = 0
fLRCLK = 8kHz
0
AVFLT = 3
-20
-40
DAC IIR/FIR LOWPASS FILTER FREQUENCY
RESPONSE (fLRCLK = 8kHz)
20
MODE = 1
0
-20
MODE = 0
-40
DAC FIR LOWPASS FILTER FREQUENCY
RESPONSE (fLRCLK = 96kHz)
20
0
-20
-40
-60
-60
-60
AVFLT = 4
-80
-80
-80
-100
0
100 200 300 400 500 600
FREQUENCY (Hz)
ADC IIR/FIR LOWPASS FILTER FREQUENCY
RESPONSE (fLRCLK = 8kHz)
20
MODE = 1
0
-100
3000 3200 3400 3600 3800 4000
FREQUENCY (Hz)
SHUTDOWN TO FULL OPERATION
(DIFFERENTIAL)
-100
20k 24k 28k 32k 36k 40k 44k 48k
FREQUENCY (Hz)
SHUTDOWN TO FULL OPERATION
(SE CLICKLESS)
-20
MODE = 0
-40
-60
-80
-100
3000
3200 3400 3600 3800 4000
FREQUENCY (Hz)
TIME (4ms/div)
TIME (40ms/div)
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