Datasheet
MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
10 ______________________________________________________________________________________
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
INPUT CLOCK CHARACTERISTICS
MCLK Input Frequency f
MCLK
For any LRCLK sample rate 10 60 MHz
Prescaler = /1 mode 40 60
MCLK Input Duty Cycle
/2 or /4 modes 30 70
%
Maximum MCLK Input
Jitter
Maximum allowable RMS for performance limits 100 ps
DHF = 0 8 48
LRCLK Sample Rate
(Note 10)
DHF = 1 48 96
kHz
FREQ1 mode = 0x8 to 0xF 0 0
PCLK = 192x, 256x, 384x, 512x, 768x, and 1024x 0 0
LRCLK Average
Frequency Error (Master
and Slave Modes)
(Note 11)
FREQ1 mode = Any clock other than above -0.025 +0.025
%
Rapid lock mode 2 7
LRCLK PLL Lock Time
Any allowable LRCLK and
PCLK rate, slave mode
Nonrapid lock mode 12 25
ms
LRCLK Acceptable
Jitter for Maintaining
PLL Lock
Allowable LRCLK period change from nominal for
slave PLL mode at any allowable LRCLK and PCLK
rates
±100 ns
Soft-Start/Stop Time 10 ms
CRYSTAL OSCILLATOR
Frequency Fundamental mode only 12.288 MHz
Maximum Crystal ESR 100
Input Leakage Current I
IH
, I
IL
X1, T
A
= +25°C -1 +1 µA
Input Capacitance C
X1
, C
X2
4 pF
Maximum Load
Capacitor
C
L1
, C
L2
45 pF
DIGITAL INPUT (MCLK)
Input High Voltage V
IH
1.2 V
Input Low Voltage V
IL
0.6 V
Input Leakage Current I
IH
, I
IL
T
A
= +25°C -1 +1 µA
Input Capacitance 10 pF
DIGITAL INPUTS (SDINS1, BCLKS1, LRCLKS1)
Input High Voltage V
IH
0.7
x V
DVDDS1
V
Input Low Voltage V
IL
0.3
x V
DVDDS1
V
Input Hysteresis 200 mV
Input Leakage Current I
IH
, I
IL
T
A
= +25°C -1 +1 µA
Input Capacitance 10 pF