WM8711BL
Production Data
ELECTRICAL CHARACTERISTICS
Test Conditions
o
AVDD, HPVDD, DBVDD = 1.8V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
A
= +25 C, Slave Mode, fs = 48kHz, MCLK = 256fs
unless otherwise stated.
PARAMETER
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 (VMID)
Potential divider resistance
0dBFs Full scale output voltage
Signal to Noise Ratio
A-weighted (Note 1,2)
SNR
V
VMID
R
VMID
At LINE outputs
AVDD=HPVDD=3.3V
AVDD=HPVDD=1.8V
AVDD=HPVDD=1.8V,
fs = 96kHz
Dynamic Range (Note 2)
Total Harmonic Distortion
DR
THD
A-weighted, -60dB
full scale input
AVDD=HPVDD=3.3V,
1kHz, 0dBFS
AVDD=HPVDD=1.8V,
1kHz, 0dBFs
AVDD=HPVDD=1.8V
1kHz, -3dBFs
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
20Hz to 20kHz
100mVpp
DAC channel separation
0dB Full scale output voltage
Signal to Noise Ratio
A-weighted (Note 1,2)
Total Harmonic Distortion
THD
SNR
AVDD=HPVDD=3.3V
AVDD=HPVDD=1.8V
AVDD=HPVDD=3.3V,
1kHz, 0dBFS
AVDD=HPVDD=1.8V ,
1kHz, 0dB
90
1kHz, 0dB signal
85
85
AVDD/2
50k
AVDD/3.3
97
90
90
90
-84
-81
-88
50
45
100
AVDD/3.3
99
101
-90
-93
-85
dB
dB
Vrms
dB
dB
-75
dB
dB
V
Vrms
dB
0.9
0.3
0.6
V
V
V
SYMBOL
V
IL
V
IH
V
OL
V
OH
I
OL
= 1mA
I
OH
= -1mA
0.9 x DBVDD
0.7 x DBVDD
0.1 x DBVDD
TEST CONDITIONS
MIN
TYP
MAX
0.3 x DBVDD
UNIT
V
V
V
V
Digital Logic Levels (CMOS Levels)
Line Output for DAC Playback Only (Load = 10K. 50pF)
Analogue Line Input to Line Output (Load = 10k. 50pF, No Gain on Input ) Bypass Mode
w
PD, Rev 4.2, December 2011
644
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
