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WM8590GEDS/V Scheda tecnica(PDF) 6 Page - Wolfson Microelectronics plc

Il numero della parte WM8590GEDS/V
Spiegazioni elettronici  24-bit, 192kHz Stereo CODEC
PDF  51 Pages
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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8590GEDS/V Scheda tecnica(HTML) 6 Page - Wolfson Microelectronics plc

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WM8590
Pre-Production
w
PP Rev 3.3 September 2005
6
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
2.7
3.3
3.6
V
Analogue supply range
AVDD, DACREFP
4.5
5
5.5
V
Ground
AGND, DGND,
DACREFN,
ADCREFGND
0
V
Difference DGND to AGND
-0.3
0
+0.3
V
Note:
1. Digital supply DVDD must never be more than 0.3V greater than AVDD in normal operation.
2. It is possible to hold the device in reset with AVDD=0V and DVDD=3.3V.
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, TA = +25
oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Logic Levels (CMOS Levels)
Input LOW level
VIL
0.3 x DVDD
V
Input HIGH level
VIH
0.7 x DVDD
V
Output LOW
VOL
IOL=1mA
0.1 x DVDD
V
Output HIGH
VOH
IOH=1mA
0.9 x DVDD
V
Digital Input Leakage Current
0.9
µA
Digital Input Leakage
Capacitance
5
pF
Analogue Reference Levels
Reference voltage
VVMID
AVDD/2
V
Potential divider resistance
RVMID
50
kΩ
DAC Performance (Load = 10kΩ, 50pF)
0dBFs Full scale output voltage
2.0 x
AVDD/5
Vrms
SNR (Note 1,2)
SNR
A-weighted,
@ fs = 48kHz
100
110
dB
SNR (Note 1,2)
SNR
A-weighted
@ fs = 96kHz
109
dB
Dynamic Range (Note 2)
DNR
A-weighted, -60dB
full scale input
100
110
dB
Total Harmonic Distortion
THD
1kHz, 0dBFs
-97
-87
dB
DAC channel separation
130
dB
Channel Level Matching
1kHz signal
0.1
dB
Channel Phase Deviation
1kHz signal
0.04
Degree
1kHz 100mVpp
50
dB
Power Supply Rejection Ratio
PSRR
20Hz to 20kHz
100mVpp
45
dB
ADC Performance
Input Signal Level (0dB)
2.0 x
AVDD/5
3.0 x
AVDD/5
Vrms
SNR (Note 1,2)
SNR
A-weighted, 0dB gain
@ fs = 48kHz
ADCMCLK2DAC=1
93
102
dB
SNR (Note 1,2)
SNR
A-weighted, 0dB gain
@ fs = 96kHz
64 x OSR
99
dB



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