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WM8782SEDS/V Scheda tecnica(PDF) 6 Page - Wolfson Microelectronics plc

Il numero della parte WM8782SEDS/V
Spiegazioni elettronici  24-Bit, 192kHz Stereo ADC
PDF  20 Pages
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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8782SEDS/V Scheda tecnica(HTML) 6 Page - Wolfson Microelectronics plc

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WM8782
Production Data
w
PD, April 2010, Rev 4.7
6
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
WM8782SEDS,
WM8782SEDS/R
2.7
3.6
V
Analogue supply range
AVDD
WM8782SEDS,
WM8782SEDS/R
2.7
5.5
V
Ground
DGND,AGND
0
V
Operating temperature range
TA
WM8782SEDS,
WM8782SEDS/R
-40
+85
C
Notes:
1.
Digital supply DVDD must never be more than 0.3V greater than AVDD.
ELECTRICAL CHARACTERISTICS
Test Conditions
DVDD = 3.3V, AVDD = 5.0V, TA = +25
oC, 1kHz signal, A-weighted, fs = 48kHz, MCLK = 256fs, 24-bit audio data, Slave Mode
unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC Performance – WM8782SEDS, WM8782SEDS/R (+25˚C)
Full Scale Input Signal Level
(for ADC 0dB Input)
1.0
Vrms
Input resistance, using
recommended external resistor
network on p22.
10
kΩ
Input capacitance
20
pF
Signal to Noise Ratio
(see Terminology note 1,2,4)
SNR
weighted,
@ fs = 48kHz
93
100
dB
Unweighted,
@ fs = 48kHz
98
dB
weighted,
@ fs = 48kHz,
AVDD = 3.3V
98
dB
Signal to Noise Ratio
(see Terminology note 1,2,4)
SNR
weighted,
@ fs = 96kHz
98
dB
Unweighted,
@ fs = 96kHz
98
dB
weighted,
@ fs = 96kHz
AVDD = 3.3V
98
dB
Total Harmonic Distortion
THD
1kHz, -1dB Full Scale
@ fs = 48kHz
-93
dB
1kHz, -1dB Full Scale
@ fs = 96kHz
-93
dB
1kHz, -1dB Full Scale
@ fs = 192kHz
-92
dB
Dynamic Range
DNR
-60dBFS
93
100
dB
Channel Separation
(see Terminology note 4)
1kHz Input
90
dB
Channel Level Matching
1kHz signal
0.1
dB
Channel Phase Deviation
1kHz signal
0.0001
Degree
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp, applied
to AVDD, DVDD
50
dB



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