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WM8772SEDS/RV Datasheet(PDF) 10 Page - Wolfson Microelectronics plc

No. de pieza WM8772SEDS/RV
Descripción Electrónicos  24-bit, 192kHz 6-Channel Codec with Volume Control
PDF  73 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8772SEDS/RV Datasheet(HTML) 10 Page - Wolfson Microelectronics plc

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WM8772
Production Data
w
PD Rev 4.2 October 2005
10
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
2.7
3.6
V
Analogue supply range
AVDD, VREFP
2.7
5.5
V
Ground
AGND, VREFN, DGND
0
V
Difference DGND to AGND
-0.3
0
+0.3
V
Note: Digital supply DVDD must never be more than 0.3V greater than AVDD.
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, DGND = 0V, TA = +25
oC, fs = 48kHz, MCLK = 256fs, 32-pin TQFP
version unless otherwise stated. ADC/DAC in Slave Mode unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC Performance (Load = 10kΩ, 50pF)
0dBFs Full scale output voltage
1.0 x
VREFP/5
Vrms
SNR (Note 1,2,4)
A-weighted,
@ fs = 48kHz
95
103
dB
SNR (Note 1,2,4)
A-weighted
@ fs = 96kHz
102
dB
SNR (Note 1,2,4)
A-weighted
@ fs = 192kHz
101
dB
SNR (Note 1,2,4)
A-weighted
@ fs = 48kHz, AVDD =
3.3V
99
dB
SNR (Note 1,2,4)
A-weighted
@ fs = 96kHz, AVDD =
3.3V
99
dB
Dynamic Range (Note 2,4)
DNR
A-weighted, -60dB full
scale input
90
103
dB
Total Harmonic Distortion (THD)
1kHz, 0dB.Fs
-90
-80
dB
Mute Attenuation
1kHz Input, 0dB gain
100
dB
DAC channel separation
100
dB
1kHz 100mVp-p
50
dB
Power Supply Rejection Ratio
PSRR
20Hz to 20kHz
100mVp-p
45
dB



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