Datasheet

MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
6 _______________________________________________________________________________________
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
Passband Ripple f < f
PLP
±0.1 dB
Stopband Cutoff f
SLP
With respect to f
S
; f
S
= 8kHz to 48kHz 0.58 x f
S
Hz
Stopband Attenuation f > f
SLP
, f = 20Hz to 20kHz 60 dB
ADC STEREO AUDIO MODE DIGITAL DC-BLOCKING HIGHPASS FILTER
Passband Cutoff
(-3dB from Peak)
f
AHPPB
AVFLT = 0x1
0.000625
x f
S
Hz
DC Attenuation DC
ATTEN
AVFLT = 0x1 90 dB
OUTPUT VOLUME CONTROL
VOLL/VOLR = 0x00 8.1 8.6 9.2
VOLL/VOLR = 0x01 7.6 8.1 8.6
VOLL/VOLR = 0x02 7.1 7.6 8.1
VOLL/VOLR = 0x04 6.1 6.6 7.2
VOLL/VOLR = 0x08 3.1 3.6 4.3
VOLL/VOLR = 0x10 -5.9 -5.4 -4.9
VOLL/VOLR = 0x20 -60 -55.1 -52
Output Volume Control
(Note 8)
VOLL/VOLR = 0x27 -94 -84 -81
dB
VOLL/VOLR = 00x00 to 0x06 (+9dB to +6dB) 0.5
VOLL/VOLR = 00x06 to 0x0F (+6dB to +3dB) 1
VOLL/VOLR = 00x0F to 0x17 (-3dB to -19dB) 2
Output Volume Control
Step Size
VOLL/VOLR = 00x17 to 0x27 (-19dB to -81dB) 4
dB
Output Volume Control
Mute Attenuation
f = 1kHz 100 dB
HEADPHONE AMPLIFIER (Note 9)
R
L
= 16 25 48
Output Power
(Differential Mode)
P
OUT
f = 1kHz, 0dBFS input,
THD < 1%, T
A
= +25°C
R
L
= 32 30
mW
R
L
= 16 17
Output Power
(Capacitorless Mode)
P
OUT
f = 1kHz, 0dBFS input,
THD < 1%, T
A
= +25°C
R
L
= 32 10
mW
R
L
= 16 -78 -67
Total Harmonic
Distortion + Noise
(Differential Mode)
THD+N f = 1kHz, -3dBFS input
R
L
= 32 -79
dB
R
L
= 16 -73 -60
Total Harmonic
Distortion + Noise
(Capacitorless Mode)
THD+N f = 1kHz, -3dBFS input
R
L
= 32 -75
dB
R
L
= 16 -70 -60
Total Harmonic
Distortion + Noise
(Single-Ended Mode)
THD+N f = 1kHz, -3dBFS input
R
L
= 32 -70
dB
Dynamic Range
(Notes 5, 7)
DR AV
VOL
= +6dB 77 90 dB