Datasheet

MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
______________________________________________________________________________________ 17
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
MAX9880A toc19
POWER OUT (mW)
THD+N (%)
108642
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-90
012
3kHz
1kHz
20Hz
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
R
LOAD
= 32
Ω
SINGLE-ENDED MODE
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
MAX9880A toc20
POWER OUT (mW)
THD+N (%)
108642
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-90
012
6kHz
1kHz
20Hz
f
MCLK
= 12.288MHz
f
LRCLK
= 48kHz
R
LOAD
= 32
Ω
SINGLE-ENDED MODE
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (DAC TO HEADPHONE)
MAX9880A toc21
POWER OUT (mW)
THD+N (dB)
12963
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
015
f
MCLK
= 12.288MHz
f
LRCLK
= 96kHz
R
LOAD
= 32
Ω
SINGLE-ENDED MODE
1kHz
6kHz
20Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX9880A toc22
FREQUENCY (Hz)
THD+N (dB)
1000100
-85
-80
-75
-70
-65
-60
-90
10 10,000
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
R
LOAD
= 32
Ω
SINGLE-ENDED MODE
1mW
5mW
TOTAL HARMONIC DISTORTON + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX9880A toc23
FREQUENCY (Hz)
THD+N (dB)
10k1k100
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
-90
10 100k
1mW
5mW
f
MCLK
= 12.288MHz
f
LRCLK
= 48kHz
R
LOAD
= 32
Ω
SINGLE-ENDED MODE
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HEADPHONE)
MAX9880A toc24
FREQUENCY (Hz)
THD+N (dB)
10k1k100
-85
-80
-75
-70
-65
-60
-90
10 100k
f
MCLK
= 12.288MHz
f
LRCLK
= 96kHz
R
LOAD
= 32
Ω
SINGLE-ENDED MODE
5mW
20mW
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (LINE-IN TO HEADPHONE)
MAX9880A toc25
POWER OUT (mW)
THD+N (dB)
40302010
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
050
LINE-IN PREAMP = +18dB
R
LOAD
= 32
Ω
DIFFERENTIAL MODE
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. POWER OUT (LINE-IN TO HEADPHONE)
MAX9880A toc26
POWER OUT (mW)
THD+N (dB)
40302010
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
050
6kHz
1kHz
20Hz
LINE-IN PREAMP = 0dB
R
LOAD
= 32
Ω
DIFFERENTIAL MODE
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (LINE-IN TO HEADPHONE)
MAX9880A toc27
FREQUENCY (Hz)
THD+N (%)
10,0001000100
0.01
0.1
1
10
0.001
10 100,000
LINE-IN PREAMP = +18dB
R
LOAD
= 32
I
DIFFERENTIAL MODE
5mW
20mW
Typical Operating Characteristics (continued)
(V
AVDD
= V
PVDD
= V
MICVDD
= V
DVDD
= V
DVDDS1
= +1.8V, R
L
= ∞, headphone load (R
L
) connected between _OUTP and _OUTN,
C
REF
= 2.2µF, C
MICBIAS
= C
PREG
= C
REG
= 1µF, AV
PRE
= +20dB, AV
PGAM
= 0dB, AV
DAC
= 0dB, AV
LINE
= +20dB, AV
VOL
= 0dB,
AV
LO
= 0dB, f
MCLK
= 13MHz, differential output, unless otherwise noted.)