WM9704M 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM9704M Datasheet PDF : 37 Pages
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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
DAC Circuit Specifications (AVDD = 5V) 48kHz sampling
SNR A-weighted (Note 1)
Full scale output voltage
THD
Frequency response
VREF = 2.5V
-3dB output
Transition band
Stop band
Out of band rejection
Spurious tone reduction
PSRR
20 to 20kHz
ADC Circuit Specifications (AVDD = 5V) 48kHz sampling
SNR A-weighted (Note 1)
ADC input for full scale output
THD
VREF = 2.5V
-6dBFS input
Frequency response
Transition band
Stop band
Stop band rejection
PSRR
20 to 20kHz
Mixer Circuit Specifications (AVDD = 5V) 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
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
DAC Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR A-weighted (Note 1)
Full scale output voltage
THD
VREF = 1.65V
-3dBFSsp output
Frequency response
Transition band
Stop band
Out of band rejection
Spurious tone reduction
PSRR
20 to 20kHz
MIN
85
74
20
19,200
28,800
75
74
20
19,200
28,800
-74
90
85
AVSS
1.0
74
20
10
10
10
20
19,200
28,800
TYP
96
1.0
90
-40
-100
40
85
1.0
90
40
100
95
1.0
1.8
90
15
20
100
80
15
40
96
0.7
90
-40
-100
40
Production Data
MAX
19,200
28,800
19,200
28,800
AVDD
20,000
19,200
28,800
UNIT
dB
Vrms
%
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
%
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
Vrms
%
Hz
kohm
kohm
kohm
kohm
kohm
dB
dB
Vrms
%
Hz
Hz
Hz
dB
dB
dB
WOLFSON MICROELECTRONICS LTD
PD Rev 3.2 January 2001
4
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