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| WM1811A Datasheet, PDF (22/328 Pages) Wolfson Microelectronics plc – Multi-Channel Audio Hub CODEC for Smartphones | |||
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WM1811A
Production Data
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
MIN TYP MAX UNIT
F2 Line Input (IN2LP or IN2RP) to Headphone via MIXOUTL or MIXOUTR (Load = 16ï)
SNR
A-weighted
100
dB
THD
PO=20mW
-86
dB
THD+N
PO=20mW
-84
dB
THD
PO=5mW
-84
dB
THD+N
PO=5mW
-82
dB
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
93
dB
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
87
dB
F4 Line Input (IN2LN or IN2RN) to Headphone via MIXOUTL or MIXOUTR (Load = 16ï)
SNR
A-weighted
100
dB
THD
THD+N
PO=20mW
PO=20mW
-84
dB
-82
dB
THD
PO=5mW
-82
dB
THD+N
PO=5mW
-80
dB
Channel Separation
(L/R)
-95
dB
PSRR
(SPKVDDn, LDO1VDD)
100mV (pk-pk)
217Hz
94
dB
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
87
dB
F8 Line Input to Speaker Outputs via SPKMIXL or SPKMIXR (Load = 8ï + 22ïHBTL, Stereo Mode)
+12dB boost (SPKOUTx_BOOST = 111)
SNR
A-weighted
93
dB
THD
THD+N
THD
THD+N
PSRR
(SPKVDDn, LDO1VDD)
PO=0.5W
PO=0.5W
PO=1.0W
PO=1.0W
100mV (pk-pk)
217Hz
-62
dB
-60
dB
-67
dB
-65
dB
68
dB
PSRR (AVDD2, CPVDD,
DBVDDn)
100mV (pk-pk)
217Hz
76
dB
w
PD, November 2013, Rev 4.1
22
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