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.)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
-40
fMCLK = 13MHz
-45 fLRCLK = 8kHz
-50
RLOAD = 32Ω
SINGLE-ENDED MODE
-55
1kHz
-60
-65
-70
20Hz
3kHz
-75
-80
-85
-90
0 2 4 6 8 10 12
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
-40
fMCLK = 12.288MHz
-45 fLRCLK = 48kHz
-50
RLOAD = 32Ω
SINGLE-ENDED MODE
-55
1kHz
-60
-65
-70
20Hz
6kHz
-75
-80
-85
-90
0 2 4 6 8 10 12
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
-10
fMCLK = 12.288MHz
fLRCLK = 96kHz
-20 RLOAD = 32Ω
SINGLE-ENDED MODE
-30
-40
-50
1kHz
-60
6kHz
-70
-80
20Hz
-90
-100
0
3
6
9
12
15
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
-60
fMCLK = 13MHz
fLRCLK = 8kHz
-65 RLOAD = 32Ω
SINGLE-ENDED MODE
-70
1mW
-75
-80
5mW
-85
-90
10
100
1000
FREQUENCY (Hz)
10,000
TOTAL HARMONIC DISTORTON + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
-70
-72 1mW
-74
-76
-78
-80
5mW
-82
-84
fMCLK = 12.288MHz
-86 fLRCLK = 48kHz
-88 RLOAD = 32Ω
SINGLE-ENDED MODE
-90
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
-60
fMCLK = 12.288MHz
fLRCLK = 96kHz
-65 RLOAD = 32Ω
SINGLE-ENDED MODE
-70 5mW
-75
-80
20mW
-85
-90
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (LINE-IN TO HEADPHONE)
0
LINE-IN PREAMP = +18dB
-10 RLOAD = 32Ω
DIFFERENTIAL MODE
-20
-30
-40
-50 1kHz
6kHz
-60
20Hz
-70
-80
-90
0
10
20
30
40
50
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (LINE-IN TO HEADPHONE)
0
LINE-IN PREAMP = 0dB
-10 RLOAD = 32Ω
-20 DIFFERENTIAL MODE
1kHz
-30
6kHz
-40
-50
-60
-70
20Hz
-80
-90
-100
0
10
20
30
40
50
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (LINE-IN TO HEADPHONE)
10
LINE-IN PREAMP = +18dB
RLOAD = 32I
1 DIFFERENTIAL MODE
0.1
5mW
0.01
20mW
0.001
10
100
1000 10,000 100,000
FREQUENCY (Hz)
______________________________________________________________________________________ 17
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