WM8580 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8580 Datasheet PDF : 97 Pages
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WM8580
Production Data
Test Conditions
AVDD, PVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, PGND, DGND = 0V, TA = +25oC, 1kHz Signal, fs = 48kHz, 24-
Bit Data, Slave Mode, MCLK, ADCMCLK = 256fs, 1Vrms Input Signal Level unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power Supply Rejection Ratio
PSRR
1kHz 100mVp-p
50
dB
(See note 4)
20Hz to 20kHz
45
dB
ADC Performance
100mVp-p
Full Scale Input Signal Level (for
ADC 0dB Input)
Input resistance
1.0 x
Vrms
VREFP/5
6
kΩ
Input capacitance
10
pF
Signal to Noise Ratio (See
SNR
A-weighted,
90
100
dB
Terminology 1,2,4)
@ fs = 48kHz
Unweighted,
97
dB
@ fs = 48kHz
A-weighted,
97
dB
@ fs = 48kHz, AVDD =
3.3V
A-weighted,
97
dB
@ fs = 96kHz
Unweighted,
94
dB
@ fs = 96kHz
A-weighted,
94
dB
@ fs = 96kHz, AVDD =
3.3V
A-weighted,
97
dB
@ fs = 192kHz
Unweighted,
94
dB
@ fs = 192kHz
A-weighted,
94
dB
@ fs = 192kHz, AVDD
= 3.3V
Total Harmonic Distortion
THD
1kHz, -1dB Full Scale
@ fs = 48kHz
-87
-80
dB
1kHz, -1dB Full Scale
-86
dB
@ fs = 96kHz
1kHz, -1dB Full Scale
-85
dB
@ fs = 192kHz
Dynamic Range
DNR
-60dB FS
90
100
ADC Channel Separation
1kHz Input
97
dB
Channel Level Matching (See
Terminology 4)
1KHz Signal
0.1
dB
Channel Phase Deviation
1kHz Signal
0.0001
Degree
Offset Error
HPF On
0
LSB
HPF Off
100
LSB
Digital Logic Levels (CMOS Levels)
Input LOW level
VIL
0.3 x DVDD
V
Input HIGH level
VIH
0.7 x DVDD
V
Input leakage current
-1
±0.2
+1
µA
Input capacitance
5
pF
Output LOW
Output HIGH
VOL
IOL=1mA
VOH
IOH= -1mA
0.9 x DVDD
0.1 x DVDD
V
V
w
PD Rev 4.3 August 2007
10
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