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 (continued)
(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 = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 32Ω
CAPACITORLESS MODE
-30
-40
-50
6kHz
-60
1kHz
-70
-80 20Hz
-90
0
2
4
6
8
POWER OUT (mW)
10 12
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω, COUT = 220µF
SINGLE-ENDED MODE
-30
-40
-50
20Hz
3kHz
-60
-70
-80
1kHz
-90
0
2
4
6
8
10
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω, COUT = 220µF
SINGLE-ENDED MODE
-30 POUT SPECIFIED AT 1kHz
-40
-50
-60
1mW
-70
-80
-90
10
5mW
100
1000 10,000
FREQUENCY (Hz)
100,000
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω
CAPACITORLESS MODE
-30
-40
-50
-60
1mW
-70
-80
5mW
-90
10
100
1000
FREQUENCY (Hz)
10,000
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
0
MCLK = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 32Ω, COUT = 220µF
SINGLE-ENDED MODE
-30
-40
-50
20Hz
6kHz
-60
-70
-80
-90
0
1kHz
2 4 6 8 10 12
POWER OUT (mW)
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
-60
20Hz
1kHz
-70
6kHz
-80
0 5 10 15 20 25 30 35 40 45 50
POWER OUT (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 12.288MHz
-10 LRCLK = 48kHz
-20
RLOAD = 32Ω
CAPACITORLESS MODE
-30
-40
-50
1mW
-60
-70
-80
-90
10
5mW
100
1000 10,000
FREQUENCY (Hz)
100,000
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
-20
RLOAD = 32Ω, COUT = 220µF
SINGLE-ENDED MODE
-30 POUT SPECIFIED AT 1kHz
-40
-50
-60
1mW
-70
-80
5mW
-90
10
100
1000
FREQUENCY (Hz)
10,000
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (LINE IN TO HEADPHONE)
0
LINE IN PREAMP = 0dB
-10 RLOAD = 32Ω
-20 DIFFERENTIAL MODE
-30
-40
-50
-60
-70
-80
-90
0
6kHz
20Hz
1kHz
5 10 15 20 25 30 35 40
POWER OUT (mW)
14 ______________________________________________________________________________________
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