MAX9867 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
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. FREQUENCY (LINE IN TO HEADPHONE)
0
LINE IN PREAMP = +18dB
-10 RLOAD = 32Ω
-20 DIFFERENTIAL MODE
-30
-40
-50
5mW
-60
-70
-80
-90
10
20mW
100
1000 10,000
FREQUENCY (Hz)
100,000
POWER OUT vs. HEADPHONE LOAD
30
MCLK = 12.288MHz
LRCLK = 48kHz
25
THD+N = < 0.1%
CAPACITORLESS MODE
20
15
10
5
0
1
10
100
1000
HEADPHONE LOAD (Ω)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICROPHONE TO ADC)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
MICPRE = 20dB
-20 VIN = 0.11VP-P
-30
-40
-50
-60
-70
-80
-90
10
100
1000
FREQUENCY (Hz)
10,000
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (LINE IN TO HEADPHONE)
0
LINE IN PREAMP = 0dB
-10 RLOAD = 32Ω
-20 DIFFERENTIAL MODE
-30
-40
-50
-60
5mW
-70
-80
-90
10
20mW
100
1000 10,000
FREQUENCY (Hz)
100,000
POWER OUT vs. HEADPHONE LOAD
25
MCLK = 12.288MHz
LRCLK = 48kHz
20
THD+N = < 0.1%
SINGLE-ENDED MODE
15
10
5
0
1
10
100
1000
HEADPHONE LOAD (Ω)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICROPHONE TO ADC)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
MICPRE = 30dB
-20 VIN = 0.032VP-P
-30
-40
-50
-60
-70
-80
-90
10
100
1000
FREQUENCY (Hz)
10,000
POWER OUT vs. HEADPHONE LOAD
60
MCLK = 12.288MHz
LRCLK = 48kHz
50
THD+N = < 0.1%
DIFFERENTIAL MODE
40
30
20
10
0
1
10
100
1000
HEADPHONE LOAD (Ω)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICROPHONE TO ADC)
0
MCLK = 13MHz
-10 LRCLK = 8kHz
MICPRE = 0dB
-20 VIN = 1VP-P
-30
-40
-50
-60
-70
-80
-90
10
100
1000
FREQUENCY (Hz)
10,000
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO HEADPHONE)
0
VRIPPLE = 100mVP-P
-10 MCLK = 13MHz
-20 LRCLK = 8kHz
-30
-40
-50
-60
-70
-80
-90
10
100
1000 10,000 100,000
FREQUENCY (Hz)
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