XWM8711EDS Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
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XWM8711EDS Datasheet PDF : 36 Pages
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WM8711
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RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
Digital supply range (Core)
DCVDD
1.42
Digital supply range (Buffer)
DBVDD
2.7
Analogue supply range
AVDD, HPVDD
2.7
Ground
DGND,AGND,HPGND
0
Total analogue supply current
IAVDD, IHPVDD
DCVDD, DBVDD, AVDD,
8
HPVDD= 3.3V
Digital supply current
IDCVDD, IDBVDD DCVDD, DBVDD, AVDD,
3
HPVDD= 3.3V
Standby Current Consumption
10
3.6
V
3.6
V
3.6
V
V
mA
mA
uA
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, MCLK =
256fs unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Logic Levels (CMOS Levels)
Input LOW level
VIL
Input HIGH level
VIH
.7 x DBVDD
.3 x DBVDD
V
V
Output LOW
VOL
0.10 x
V
DBVDD
Output HIGH
VOH
.9 x DBVDD
V
Power On Reset Threshold (DCVDD)
DCVDD Threshold On -> Off
Vth
Hysteresis
VIH
0.7
0.9
1.2
V
0.3
V
DCVDD Threshold Off -> On
VOL
0.6
V
Analogue Reference Levels
Reference voltage
VVMID
AVDD/2 – AVDD/2 AVDD/2 +
V
50mV
50mV
Potential divider resistance
RVMID
Line Output for DAC Playback Only (Load = 10K ohms. 50pF)
40K
50K
60K
Ohms
0dBFs Full scale output voltage
At LINE outputs
1.0 x
Vrms
AVDD/3.3
SNR (Note 1,2)
A-weighted,
90
100
dB
@ fs = 48KHz
SNR (Note 1,2)
A-weighted
98
dB
@ fs = 96KHz
SNR (Note 1,2)
A-weighted,
93
dB
@ fs = 48KHz, AVDD
= 2.7V
Dynamic Range (Note 2)
DNR
A-weighted, -60dB
85
90
dB
full scale input
THD
1KHz, 0dBFs
-88
-80
dB
1kHz, -3dBFs
-92
-86
dB
Power Supply Rejection Ratio
PSSR
1kHz 100mVpp
50
dB
20Hz to 20kHz
45
dB
100mVpp
DAC channel separation
100
dB
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 November 2000
4
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