WM8569
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Digital supply range
Analogue supply range
Ground
Difference DGND to AGND
Note:
Digital supply DVDD must never be more than 0.3V greater than AVDD.
SYMBOL
DVDD
AVDD, VREFP
AGND, VREFN, DGND
-0.3
TEST CONDITIONS
MIN
2.7
2.7
0
0
+0.3
TYP
MAX
3.6
5.5
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UNIT
V
V
V
V
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, DGND = 0V, T
A
= +25
o
C, fs = 48kHz, MCLK = 256fs.
PARAMETER
0dBFs Full scale output voltage
SNR (Note 1,2,4)
SNR (Note 1,2,4)
SNR (Note 1,2,4)
SNR (Note 1,2,4)
A-weighted,
@ fs = 48kHz
A-weighted
@ fs = 96kHz
A-weighted
@ fs = 192kHz
A-weighted
@ fs = 48kHz, AVDD =
3.3V
A-weighted
@ fs = 96kHz, AVDD =
3.3V
DNR
A-weighted, -60dB full
scale input
1kHz, 0dB.Fs
1kHz Input, 0dB gain
PSRR
1kHz 100mV
p-p
20Hz to 20kHz
100mV
p-p
ADC Performance
Input Signal Level (0dB)
Input resistance
Input capacitance
SNR (Note 1,2,4)
SNR (Note 1,2,4)
SNR (Note 1,2,4)
A-weighted, 0dB gain
@ fs = 48kHz
A-weighted, 0dB gain
@ fs = 96kHz
A-weighted, 0dB gain
@ fs = 48kHz, AVDD =
3.3V
A-weighted, 0dB gain
@ fs = 96kHz, AVDD
= 3.3V
1kHz, -1dBFs
1kHz Input
2.0 x
REFADC/5
20
10
100
100
93
V
rms
kΩ
pF
dB
dB
dB
SYMBOL
TEST CONDITIONS
MIN
TYP
1.0 x
VREFP/5
103
102
101
99
MAX
UNIT
V
rms
dB
dB
dB
dB
DAC Performance (Load = 10kΩ, 50pF)
SNR (Note 1,2,4)
99
dB
Dynamic Range (Note 2,4)
Total Harmonic Distortion (THD)
Mute Attenuation
DAC channel separation
Power Supply Rejection Ratio
103
-90
100
100
50
45
dB
dB
dB
dB
dB
dB
SNR (Note 1,2,4)
93
dB
Total Harmonic Distortion (THD)
ADC Channel Separation
-82
90
dB
dB
PP Rev 1.1 December 2005
6
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
