WM9703 Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM9703 Datasheet PDF : 30 Pages
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WM9703
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
VREF = 2.5V
THD
-3dBFs input
Frequency response
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
VREF = 2.5V
THD
-6dBV 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
0dBV input
Frequency response (+/-1dB)
Input impedance (CD inputs)
At any gain
Input impedance (other mixer
inputs)
At max gain
At 0db gain
Input impedance Mic inputs
At max gain
At 0db gain
PSRR
20 to 20kHz
DAC Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR A-weighted (Note 1)
Full scale output voltage
VREF = 1.65V
THD
3dBFs input
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
dB
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
dB
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
Vrms
dB
Hz
kohm
kohm
kohm
kohm
kohm
dB
dB
Vrms
dB
Hz
Hz
Hz
dB
dB
dB
WOLFSON MICROELECTRONICS LTD
PD Rev 3.4 January 2001
4
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