Product Preview
WM8593
Test Conditions
AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, TA=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
TBD
12
UNIT
Input signal level (0dB)
2.0 x
Vrms
AVDD1/3.3
Input impedance
10
11
k
kΩ
Ω
Extended input impedance
(Note 3)
External resistor =
21
10kΩ
Input capacitance
DAC Performance
Signal to Noise Ratio1,5
TBD
100
100
100
pF
dB
dB
dB
SNR
A-weighted
@ fs = 48kHz
A-weighted
TBD
TBD
@ fs = 96kHz
A-weighted
@ fs = 192kHz
Dynamic Range2,5
DNR
THD
A-weighted, -60dB full
scale input
100
-90
dB
dB
Total Harmonic Distortion3,5
1kHz, 0dBFS
@ fs = 48kHz
1kHz, 0dBFS
@ fs = 96kHz
1kHz, 0dBFS
@ fs = 192kHz
TBD
-90
-90
dB
dB
Channel Separation4,5
100
0.1
dB
dB
Channel Level Matching
Channel Phase Deviation
Power supply rejection ratio
0.05
50
Degree
dB
PSRR
SNR
1kHz, 100mVpp
TBD
20Hz to 20kHz,
100mVpp
TBD
dB
ADC Performance
Signal to Noise Ratio1,5
A-weighted, 0dB gain
@ fs = 48kHz
TBD
TBD
100
97
dB
dB
dB
dB
A-weighted, 0dB gain
@ fs = 96kHz
Dynamic Range2,5
DNR
THD
A-weighted, -60dB full
scale input
100
-90
Total Harmonic Distortion3,5
1kHz, -1dBFS
@ fs = 48kHz
1kHz, -1dBFS
@ fs = 96kHz
TBD
-87
dB
Channel Separation4,5
100
0.1
dB
dB
Channel Level Matching
Channel Phase Deviation
Power Supply Rejection Ratio
0.05
50
Degree
dB
PSRR
TBD
TBD
dB
Analogue Bypass Paths
Signal to Noise Ratio1,5
Dynamic Range2,5
Total Harmonic Distortion3,5
Channel Separation4,5
Channel Level Matching
Channel Phase Deviation
SNR
DNR
THD
A-weighted
A-weighted
100
100
90
dB
dB
dB
100
0.1
dB
dB
0.05
Degree
PP Rev 1.0 January 2007
9
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
