Datasheet

MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
22 ______________________________________________________________________________________
SHUTDOWN TO FULL OPERATION
(SE FAST TURN ON)
MAX9880A toc64
TIME (4ms/div)
SCL (1V/div)LOUTP (500mV/div)
FULL OPERATION TO SHUTDOWN
MAX9880A toc65
TIME (400µs/div)
SCL (1V/div)LOUTP (500mV/div)
SOFT-START ADC
MAX9880A toc66
TIME (1ms/div)
SCL (1V/div)ADC OUTPUT (500mV/div)
TOTAL HARMONIC DISTORTION + NOISE
vs. MCLK FREQUENCY, 0dBFS
MAX9880A toc67
MCLK FREQUENCY (MHz)
THD+N (dB)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10 100
f
LRCLK
= 48kHz
PLL MODE
DYNAMIC RANGE vs. MCLK FREQUENCY
MAX9880A toc68
MCLK FREQUENCY (MHz)
DYNAMIC RANGE (dB)
70
80
90
100
110
120
60
10 100
V
IN
= -60dBFS
f
LRCLK
= 48kHz
PLL MODE
LINE INPUT RESISTANCE
vs. GAIN SETTING
MAX9880A toc69
GAIN SETTING (dB)
INPUT RESISTANCE (kΩ)
20151050-5
50
100
150
200
250
300
0
-10 25
AUX CODE vs. INPUT VOLTAGE
MAX9880A toc70
INPUT VOLTAGE (V)
AUX CODE (SIGNED DECIMAL)
1.00.80.60.40.20-0.2
0
5000
10,000
15,000
20,000
25,000
30,000
-5000
-0.4 1.2
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.)