MAX9867 查看數據表（PDF） - Maxim Integrated
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MAX9867 Datasheet PDF : 55 Pages
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Ultra-Low Power Stereo Audio Codec
Typical Operating Characteristics
(VAVDD = VDVDD = VPVDD = +1.8V, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVMICPGA = 0dB, MCLK = 13MHz, LRCLK =
8kHz, BW = 20Hz to fS/2, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω
DIFFERENTIAL MODE
-30
-40
-50
3kHz
-60
1kHz
-70
-80
20Hz
-90
05
10 15 20 25 30 35
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 16Ω
DIFFERENTIAL MODE
-30
-40
-50
-60
6kHz
1kHz
-70
-80
20Hz
-90
0 10 20 30 40 50 60
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 32Ω
DIFFERENTIAL MODE
-30
-40
-50
-60
5mW
-70
-80
-90
10
20mW
100
1000 10,000
FREQUENCY (Hz)
100,000
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 16Ω
DIFFERENTIAL MODE
-30
-40
-50
3kHz
-60
1kHz
-70
-80
20Hz
-90
0 10 20 30 40 50 60
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω
DIFFERENTIAL MODE
-30
-40
-50
-60
5mW
-70
-80
-90
10
20mW
100
1000
FREQUENCY (Hz)
10,000
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 16Ω
DIFFERENTIAL MODE
-30
-40
-50
-60
5mW
-70
-80
-90
10
20mW
100
1000 10,000 100,000
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 32Ω
DIFFERENTIAL MODE
-30
-40
-50
-60
6kHz
1kHz
-70
-80
20Hz
-90
05
10 15 20 25 30 35
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 16Ω
DIFFERENTIAL MODE
-30
-40
-50
-60
5mW
-70
-80
-90
10
20mW
100
1000
FREQUENCY (Hz)
10,000
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω
CAPACITORLESS MODE
-30
-40
-50
3kHz
-60
1kHz
-70
-80 20Hz
-90
0
2
4
6
8
10
POWER OUT (mW)
______________________________________________________________________________________ 13
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