Pre-Production
WM8850
Test Conditions
AVDD = CPVDD = 5V, DBVDD = 3.3V, DCVDD = 1.8V, TA = +25oC, 1kHz signal, fs = 48kHz, 24-bit data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC1 Performance
Unweighted
A-weighted
102
105
105
105
-95
-95
86
dB
dB
dB
dB
dB
dB
dB
dB
dB
°
Signal to Noise Ratio
SNR
100
A-weighted
fs=96kHz
A-weighted
-60dBFS
Dynamic Range
DNR
THD
-1dBFS
-90
Total Harmonic Distortion
-1dBFS
fs=96kHz
1kHz
20Hz to 20kHz
0dBFS
Channel Separation
86
Channel Level Matching
Channel Phase Deviation
0.1
0.01
90
1kHz, 100mVpp on AVDD
dB
dB
Power Supply Rejection
Ratio
PSRR
20Hz to 20kHz, 100mVpp on AVDD
70
PP, April 2011, Rev 3.2
15
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
