24TQFN-EP Просмотр технического описания (PDF) - Maxim Integrated
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24TQFN-EP Datasheet PDF : 39 Pages
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16-Bit Mono Audio Voice Codec
Typical Operating Characteristics (continued)
(VAVDD = +1.8V, VDVDD = VDVDDIO = +1.8V, RL = ∞, headphone load (RL) connected between OUTP and OUTN, CREF = 2.2µF,
CPREG = CREG = 1µF, CMICBIAS = 1µF AVMICPGA = 0dB, AVPRE = +20dB, MCLK = 13MHz, TA = +25°C, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MIC TO ADC)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0.01
0.1
1
10
100
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
0dBFS FFT (DAC TO HP)
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
5
10
15
20
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
-60dBFS FFT (DAC TO HP)
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
5
10
15
20
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
0dBFS FFT (DAC TO HP)
MCLK = 13MHz
LRCLK = 8kHz
PLL ENABLED
5
10
15
20
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
-60dBFS FFT (DAC TO HP)
MCLK = 13MHz
LRCLK = 8kHz
PLL ENABLED
5
10
15
20
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
0dBFS FFT (DAC TO HP AMP)
MCLK = 12.288MHz
LRCLK = 48kHz
PLL DISABLED
5
10
15
20
FREQUENCY (kHz)
-60dBFS FFT (DAC TO HP AMP)
20
MCLK = 12.288MHz
0
LRCLK = 48kHz
PLL DISABLED
-20
-40
-60
-80
-100
-120
-140
0
5
10
15
20
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
0dBFS FFT (MICL TO ADC)
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
1
2
3
4
FREQUENCY (kHz)
20
0
-20
-40
-60
-80
-100
-120
-140
0
-60dBFS FFT (MICL TO ADC)
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
1
2
3
4
FREQUENCY (kHz)
10 ______________________________________________________________________________________
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