WM9704M 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM9704M Datasheet PDF : 37 Pages
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Production Data
WM9704M
Test Characteristics:
AVDD = 5V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated
DVDD = 3.3V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated
PARAMETER
SYMBOL TEST CONDITIONS
ADC Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR A-weighted (Note 1)
ADC input for full scale output
THD
VREF = 1.65V
-9dBFS input
Frequency response
Transition band
Stop band
Stop band rejection
PSRR
20 to 20kHz
Mixer Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR CD path A-weighted
(Note 1)
SNR Other paths A-weighted
(Note 1)
Maximum input voltage
Maximum output voltage on
LINEOUT
THD
-3dBV input
Frequency response (+/-1dB)
Input impedance (CD inputs)
At any gain
Input impedance (other Mixer
inputs)
Input impedance MIC inputs
PSRR
At max gain
At 0db gain
At max gain
At 0db gain
20 to 20kHz
Clock Frequency Range
Crystal clock
BIT_CLK frequency
SYNC frequency
Note:
MIN
20
19,200
28,800
-74
20
TYP
82
0.7
80
40
97
92
0.7
0.7
90
15
20
100
80
15
40
24.576
12.288
48.0
MAX
19,200
28,800
20,000
UNIT
dB
Vrms
%
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
Vrms
%
Hz
kohm
kohm
kohm
kohm
kohm
dB
MHz
MHz
kHz
1. SNR is the ratio of 0dB signal amplitude to noise floor with no signal, measured A-weighted over a 20Hz to 20kHz
bandwidth.
WOLFSON MICROELECTRONICS LTD
PD Rev 3.2 January 2001
5
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