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| WM1811A Datasheet, PDF (19/328 Pages) Wolfson Microelectronics plc – Multi-Channel Audio Hub CODEC for Smartphones | |||
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Production Data
WM1811A
Test Conditions
AVDD1=3.0V (powered from LDO1), DCVDD=1.05V (powered from LDO2), AVDD2=DBVDD1=DBVDD2=DBVDD3=CPVDD=1.8V,
LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V,
TA = +25oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
D4 RXVOICE to ADCL or ADCR
SNR
A-weighted
THD
-1dBV input
THD+N
-1dBV input
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
CMRR
Input PGA = -12dB
1V (pk-pk) 217Hz
Input PGA = 0dB
1V (pk-pk) 217Hz
Input PGA = +6dB
1V (pk-pk) 217Hz
Note that the Input PGA gain is controlled using the IN2LRP_MIXINx_VOL registers.
MIN TYP MAX UNIT
94
dB
-84
dB
-82
dB
102
dB
97
dB
56
dB
63
61
DAC OUTPUT PATH PERFORMANCE
Test Conditions
AVDD1=3.0V (powered from LDO1), DCVDD=1.05V (powered from LDO2), AVDD2=DBVDD1=DBVDD2=DBVDD3=CPVDD=1.8V,
LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V,
TA = +25oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
E1 DAC to Single-Ended Line Output (Load = 10kï // 50pF)
SNR
A-weighted
THD
0dBFS input
THD+N
0dBFS input
Channel Separation
(L/R)
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
LINEOUTFB rejection
LINEOUTn_FB=1,
100mV (pk-pk)
217Hz
E2 DAC to Differential Line Output (Load = 10kï // 50pF)
SNR
A-weighted
THD
0dBFS input
THD+N
0dBFS input
Channel Separation
(L/R)
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
MIN TYP MAX UNIT
93
dB
-82
dB
-80
dB
-90
dB
85
dB
95
dB
38
dB
97
dB
-82
dB
-80
dB
-90
dB
87
dB
88
dB
w
PD, November 2013, Rev 4.1
19
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