Production Data
WM8590
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, T
A
= +25
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
ADC Performance
Input Signal Level (0dB)
SNR (Note 1,2)
SNR
A-weighted, 0dB gain
@ fs = 48kHz
ADCMCLK2DAC=1
A-weighted, 0dB gain
@ fs = 96kHz
64 x OSR
ADCMCLK2DAC=1
A-weighted, -60dB
full scale input
ADCMCLK2DAC=1
1kHz, 0dBFs
ADCMCLK2DAC=1
1kHz, -3dBFs
ADCMCLK2DAC=1
ADC Channel Separation
Channel Level Matching
Channel Phase Deviation
Programmable Gain Step Size
Programmable Gain Range
(Analogue)
Programmable Gain Range
(Digital)
Mute Attenuation (Note 4)
Power Supply Rejection Ratio
PSRR
1kHz Input
1kHz Input
1kHz Input, 0dB gain
1kHz 100mVpp
20Hz to 20kHz
100mVpp
Input Resistance
PGA Gain = +24dB
PGA Gain = 0dB
PGA Gain = -21dB
Input Capacitance
Supply Current
Analogue supply current
Digital supply current
Analogue Powerdown Current
Digital Powerdown Current
Crosstalk
DAC to ADC
1kHz signal, ADC fs =
48kHz, DAC fs =
44.1kHz
20kHz signal, ADC fs =
48kHz, DAC fs =
44.1kHz
ADC to DAC
1kHz signal, ADC fs =
48kHz, DAC fs =
44.1kHz
20kHz signal, ADC fs =
48kHz, DAC fs =
44.1kHz
115
dB
AVDD = 5V
DVDD = 3.3V
AVDD = 5V
DVDD = 3.3V
60
6
132
2.7
mA
mA
µA
µA
1kHz Input
1kHz signal
1kHz signal
0.25
-21
-103
97
59
56
4.5
37.4
69.0
1
93
93
2.0 x
AVDD/5
102
3.0 x
AVDD/5
Vrms
dB
SNR (Note 1,2)
SNR
99
dB
Dynamic Range (note 2)
DNR
102
dB
Total Harmonic Distortion
THD
-90
-95
85
0.1
0.06
0.5
0.75
+24
-21.5
-85
dB
dB
dB
dB
Degree
dB
dB
dB
dB
dB
dB
kΩ
kΩ
kΩ
pF
130
dB
131
dB
138
dB
w
PD Rev 4.0 January 2006
7
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
