WM8580 Datasheet, PDF (9/92 Pages) Wolfson Microelectronics plc – Multichannel CODEC with S/PDIF Transceiver

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WM8580
Test Conditions
AVDD, PVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, PGND, DGND = 0V, TA = +25^oC, 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
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
20
kΩ
Input capacitance
10
pF
Signal to Noise Ratio (Note
SNR
A-weighted,
100
dB
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
-90
dB
@ fs = 48kHz
1kHz, -1dB Full Scale
-88
dB
@ fs = 96kHz
1kHz, -1dB Full Scale
-85
dB
@ fs = 192kHz
Dynamic Range
DNR
-60dB FS
100
ADC Channel Separation
1kHz Input
100
dB
Channel Level Matching (Note
4)
1KHz Signal
0.1
dB
Channel Phase Deviation
1kHz Signal
0.0001
Degree
Offset Error
HPF On
0
LSB
HPF Off
100
LSB
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz
45
dB
100mVpp
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
PP Rev 1.0 March 2006
9