Datasheet

MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
_______________________________________________________________________________________ 7
ELECTRICAL 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, dif-
ferential modes, 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, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V
AVDD
= V
PVDD
= 1.65V to 1.95V 60 80
f = 217Hz, V
RIPPLE
= 100mV
P-P
, AV
VOL
= 0dB 80
f = 1kHz, V
RIPPLE
= 100mV
P-P
, AV
VOL
= 0dB 78
Power-Supply Rejection
Ratio (Note 7)
PSRR
f = 10kHz, V
RIPPLE
= 100mV
P-P
, AV
VOL
= 0dB 72
dB
AV
VOL
= -81dB,
differential mode
LOUTP to LOUTN, ROUTP to
ROUTN, T
A
= +25°C
±0.2
Output Offset Voltage V
OS
AV
VOL
= -81dB,
capacitorless mode
LOUTP to LOUTN, ROUTP to
LOUTN, T
A
= +25°C
±0.6
mV
Differential, P
OUT
= 5mW, f = 1kHz 90
Crosstalk XTALK
Capacitorless mode, P
OUT
= 5mW, f = 1kHz 45
dB
R
L
= 32 500
Capacitive Drive
Capability
No sustained oscillations
R
L
=  100
pF
Into shutdown -70
Click-and-Pop Level
(Differential,
Capacitorless Modes)
Peak voltage, A-weighted,
32 samples per second
Out of shutdown -70
dBV
Into shutdown -70
Click-and-Pop Level
(Single-Ended Mode)
Peak voltage, A-weighted,
32 samples per second
Out of shutdown -70
dBV
LINE OUTPUTS (Note 7)
Full-Scale Output 0.5 V
RMS
LOGL/LOGR = 0x00 -0.7 -0.1 +0.6
LOGL/LOGR = 0x01 -2.6 -2.1 -1.6
LOGL/LOGR = 0x02 -4.6 -4.1 -3.6
LOGL/LOGR = 0x04 -8.6 -8.1 -7.6
LOGL/LOGR = 0x08 -16.6 -16 -15.6
Line Output Level
Adjust
AV
LO
LOGL/LOGR = 0x0F -31.1 -29.9 -29.1
dB
Line Output Mute
Attenuation
f = 1kHz 90 dB
Total Harmonic
Distortion + Noise
THD+N R
L
= 1k, f = 1kHz, V
OUT
= 1.4V
P-P
(Note 9) -67 -59 dB
20Hz < f < 20kHz 86
Signal-to-Noise Ratio
R
L
= 1k, LINL/LINR =
1µF to GND
A-weighted 90
dB
V
AVDD
= V
PVDD
= 1.65V to 1.95V 46
f = 217Hz, V
RIPPLE
= 100mV
P-P
, AV
VOL
= 0dB 78
f = 1kHz, V
RIPPLE
= 100mV
P-P
, AV
VOL
= 0dB 80
Power-Supply Rejection
Ratio
PSRR
f = 10kHz, V
RIPPLE
= 100mV
P-P
, AV
VOL
= 0dB 76
dB
Capacitive Drive
Capability
R
L
= 10k, no sustained oscillations 100 pF