WM8850 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8850 Datasheet PDF : 223 Pages
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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
DAC1 Path Performance (VOUT1L and VOUT1R into 10kΩ Line Load)
MIN
TYP MAX UNIT
Unweighted
105
dB
Signal to Noise Ratio
Out of Band Signal to
Noise Ratio (0.6fs to
150kHz)
Dynamic Range
Total Harmonic Distortion
Channel Separation
SNR
OBSNR
DNR
THD
A-weighted
A-weighted
fs=96kHz
Fs >
11.025kHz
Fs <=
11.025kHz
A-weighted
-60dBFS
0dBFS
0dBFS
fs=96kHz
1kHz
20Hz to 20kHz
100
108
dB
108
dB
80
dB
75
dB
108
dB
-96
-85
dB
-96
-85
dB
115
dB
110
dB
Channel Level Matching
0dBFS
0.1
dB
Channel Phase Deviation
0.01
°
AVDD Power Supply
Rejection Ratio
AVDD
PSRR
1kHz, 100mVpp on AVDD
20Hz to 20kHz, 100mVpp on AVDD
51
dB
50
dB
CPVDD Power Supply
Rejection Ratio
CPVDD
PSRR
1kHz, 100mVpp on CPVDD
20Hz to 20kHz, 100mVpp on CPVDD
86
dB
75
dB
w
PP, April 2011, Rev 3.2
19
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