Datasheet

MAX9860
16-Bit Mono Audio Voice Codec
10
Maxim Integrated
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MIC TO ADC)
MAX9860 toc10
FREQUENCY (kHz)
PSRR (dB)
1010.1
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
0.01 100
0dBFS FFT (DAC TO HP)
MAX9860 toc11
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15105
-120
-100
-80
-60
-40
-20
0
20
-140
020
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
PLL DISABLED
-60dBFS FFT (DAC TO HP)
MAX9860 toc12
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15105
-120
-100
-80
-60
-40
-20
0
20
-140
020
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
PLL DISABLED
0dBFS FFT (DAC TO HP)
MAX9860 toc13
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15105
-120
-100
-80
-60
-40
-20
0
20
-140
020
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
PLL ENABLED
-60dBFS FFT (DAC TO HP)
MAX9860 toc14
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15105
-120
-100
-80
-60
-40
-20
0
20
-140
020
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
PLL ENABLED
0dBFS FFT (DAC TO HP AMP)
MAX9860 toc15
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15105
-120
-100
-80
-60
-40
-20
0
20
-140
020
f
MCLK
= 12.288MHz
f
LRCLK
= 48kHz
PLL DISABLED
-60dBFS FFT (DAC TO HP AMP)
MAX9860 toc16
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15105
-120
-100
-80
-60
-40
-20
0
20
-140
020
f
MCLK
= 12.288MHz
f
LRCLK
= 48kHz
PLL DISABLED
0dBFS FFT (MICL TO ADC)
MAX9860 toc17
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
321
-120
-100
-80
-60
-40
-20
0
20
-140
04
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
PLL DISABLED
-60dBFS FFT (MICL TO ADC)
MAX9860 toc18
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
321
-120
-100
-80
-60
-40
-20
0
20
-140
04
f
MCLK
= 13MHz
f
LRCLK
= 8kHz
PLL DISABLED
Typical Operating Characteristics (continued)
(V
AVDD
= +1.8V, V
DVDD
= V
DVDDIO
= +1.8V, R
L
= ∞, headphone load (R
L
) connected between OUTP and OUTN, C
REF
= 2.2µF,
C
PREG
= C
REG
= 1µF, C
MICBIAS
= 1µF A
VMICPGA
= 0dB, A
VPRE
= +20dB, f
MCLK
= 13MHz, T
A
= +25°C, unless otherwise noted.)