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WM8994ECS/R Datasheet(PDF) 21 Page - Cirrus Logic

Part # WM8994ECS/R
Description  Multi-channel Audio Hub CODEC for Smartphones
PDF  363 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8994ECS/R Datasheet(HTML) 21 Page - Cirrus Logic

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WM8994
Rev 4.6
21
Test Conditions
AVDD1=3.0V (powered from LDO1), DCVDD=1.0V (powered from LDO2), AVDD2=DBVDD=LDO2VDD=CPVDD=1.8V,
LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V,
TA = +25
oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
E9
DAC to Earpiece Driver (Load = 16
 BTL)
SNR
A-weighted
MIXOUTL
or
MIXOUTR
HPOUT2MIX
RLOAD
=16ohm
MIXOUTLVOL
or
MIXOUTRVOL
+
DACL or
DACR
+
HPOUT2N
0dB
HPOUT2P
97
dB
THD
PO=50mW
-71
dB
THD+N
PO=50mW
-69
dB
PSRR (all supplies)
100mV (pk-pk)
217Hz
51
dB
E12
DAC to Speaker Outputs (Load = 8
 + 22H BTL, Stereo Mode)
Class D Mode, +12dB boost (SPKOUTx_BOOST = 111)
SNR
A-weighted
SPKMIXL or
SPKMIXR
+
DACL1/2
or
DACR1/2
+
SPKLVOL or
SPKRVOL
SPKOUTLBOOST
or
SPKOUTRBOOST
RLOAD=
8ohm
SPKOUTLP or
SPKOUTRP
SPKOUTLN or
SPKOUTRN
+12dB
85
94
dB
THD
PO=0.5W
-65
dB
THD+N
PO=0.5W
-63
-53
dB
THD
PO=1.0W
-70
dB
THD+N
PO=1.0W
-68
dB
PSRR (all supplies)
100mV (pk-pk)
217Hz
43
dB
Channel Separation
(L/R)
80
dB
DAC to Speaker Outputs (Load = 8
 + 22H BTL, Stereo Mode)
Class AB Mode, +12dB boost (SPKOUTx_BOOST = 111)
SNR
A-weighted
SPKMIXL or
SPKMIXR
+
DACL1/2
or
DACR1/2
+
SPKLVOL or
SPKRVOL
SPKOUTLBOOST
or
SPKOUTRBOOST
RLOAD=
8ohm
SPKOUTLP or
SPKOUTRP
SPKOUTLN or
SPKOUTRN
+12dB
96
dB
THD
PO=0.5W
-67
dB
THD+N
PO=0.5W
-65
dB
THD
PO=1.0W
-64
dB
THD+N
PO=1.0W
-62
dB
PSRR (all supplies)
100mV (pk-pk)
217Hz
43
dB
Channel Separation
(L/R)
80
dB
DAC to Speaker Outputs (Load = 4
 + 22H BTL, Stereo Mode)
Class D Mode, +12dB boost (SPKOUTx_BOOST = 111)
SNR
A-weighted
SPKMIXL or
SPKMIXR
+
DACL1/2
or
DACR1/2
+
SPKLVOL or
SPKRVOL
SPKOUTLBOOST
or
SPKOUTRBOOST
RLOAD=
8ohm
SPKOUTLP or
SPKOUTRP
SPKOUTLN or
SPKOUTRN
+12dB
93
dB
THD
PO=0.5W
dB
THD+N
PO=0.5W
-63
dB
THD
PO=1.0W
dB
THD+N
PO=1.0W
-63
dB
THD
PO=2.0W
THD+N
PO=2.0W
-66
PSRR (all supplies)
100mV (pk-pk)
217Hz
dB
Channel Separation
(L/R)
dB



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