Rainbow Electronics MAX9860 - Manual (Page 10)

MAX9860
16-Bit Mono Audio Voice Codec
10 ______________________________________________________________________________________
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MIC TO ADC)
MAX9860 toc10
FREQUENCY (kHz)
PSRR (dB)
10 1 0.1
-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)
15 10 5
-120
-100
-80
-60
-40
-20
0
20
-140
0 20
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
-60dBFS FFT (DAC TO HP)
MAX9860 toc12
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15 10 5
-120
-100
-80
-60
-40
-20
0
20
-140
0 20
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
0dBFS FFT (DAC TO HP)
MAX9860 toc13
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15 10 5
-120
-100
-80
-60
-40
-20
0
20
-140
0 20
MCLK = 13MHz
LRCLK = 8kHz
PLL ENABLED
-60dBFS FFT (DAC TO HP)
MAX9860 toc14
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15 10 5
-120
-100
-80
-60
-40
-20
0
20
-140
0 20
MCLK = 13MHz
LRCLK = 8kHz
PLL ENABLED
0dBFS FFT (DAC TO HP AMP)
MAX9860 toc15
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15 10 5
-120
-100
-80
-60
-40
-20
0
20
-140
0 20
MCLK = 12.288MHz
LRCLK = 48kHz
PLL DISABLED
-60dBFS FFT (DAC TO HP AMP)
MAX9860 toc16
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
15 10 5
-120
-100
-80
-60
-40
-20
0
20
-140
0 20
MCLK = 12.288MHz
LRCLK = 48kHz
PLL DISABLED
0dBFS FFT (MICL TO ADC)
MAX9860 toc17
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
3 2 1
-120
-100
-80
-60
-40
-20
0
20
-140
0 4
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
-60dBFS FFT (MICL TO ADC)
MAX9860 toc18
FREQUENCY (kHz)
OUTPUT AMPLITUDE (dB)
3 2 1
-120
-100
-80
-60
-40
-20
0
20
-140
0 4
MCLK = 13MHz
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, MCLK = 13MHz, T A = +25°C, unless otherwise noted.)