WM8711 Wolfson Microelectronics Ltd., WM8711 Datasheet - Page 4

• Manufacturer Part Number: WM8711
• Description: Internet Audio DAC With Integrated Headphone Driver
• Manufacturer: Wolfson Microelectronics Ltd.

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