WM8569SEDS 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8569SEDS Datasheet PDF : 36 Pages
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WM8569
Production Data
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Digital supply range
DVDD
2.7
Analogue supply range
AVDD, VREFP
2.7
Ground
AGND, VREFN, DGND
Difference DGND to AGND
-0.3
Note: Digital supply DVDD must never be more than 0.3V greater than AVDD.
TYP
0
0
MAX
3.6
5.5
+0.3
UNIT
V
V
V
V
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, DGND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
DAC Performance (Load = 10kΩ, 50pF)
0dBFs Full scale output voltage
1.0 x
VREFP/5
SNR (Note 1,2,4)
A-weighted,
95
103
@ fs = 48kHz
SNR (Note 1,2,4)
A-weighted
102
@ fs = 96kHz
SNR (Note 1,2,4)
A-weighted
101
@ fs = 192kHz
SNR (Note 1,2,4)
A-weighted
99
@ fs = 48kHz, AVDD =
3.3V
SNR (Note 1,2,4)
A-weighted
99
@ fs = 96kHz, AVDD =
3.3V
Dynamic Range (Note 2,4)
DNR
A-weighted, -60dB full
90
103
scale input
Total Harmonic Distortion (THD)
1kHz, 0dB.Fs
-90
-80
Mute Attenuation
1kHz Input, 0dB gain
100
DAC channel separation
100
Power Supply Rejection Ratio
PSRR
1kHz 100mVp-p
50
20Hz to 20kHz
45
ADC Performance
100mVp-p
Input Signal Level (0dB)
2.0 x
REFADC/5
Input resistance
20
Input capacitance
10
SNR (Note 1,2,4)
A-weighted, 0dB gain
80
100
@ fs = 48kHz
SNR (Note 1,2,4)
A-weighted, 0dB gain
100
@ fs = 96kHz
SNR (Note 1,2,4)
A-weighted, 0dB gain
93
@ fs = 48kHz, AVDD =
3.3V
SNR (Note 1,2,4)
A-weighted, 0dB gain
93
@ fs = 96kHz, AVDD
= 3.3V
Total Harmonic Distortion (THD)
1kHz, -1dBFs
-82
-72
ADC Channel Separation
1kHz Input
90
UNIT
Vrms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Vrms
kΩ
pF
dB
dB
dB
dB
dB
dB
w
PD Rev 4.0 June 2006
6
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