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WM8993 Datasheet(PDF) 21 Page - Wolfson Microelectronics plc

Part # WM8993
Description  Audio Hub CODEC for Multimedia Phones
PDF  229 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8993 Datasheet(HTML) 21 Page - Wolfson Microelectronics plc

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Production Data
WM8993
w
PD, November 2010, Rev 4.0
21
Test Conditions
DCVDD = 1.2V, AVDD2 = DBVDD = CPVDD = 1.8V, AVDD1 = 3.0V, SPKVDD = 5V, DGND=AGND=CPGND=SPKGND=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
F6
VRXP-VRXN Direct Voice Path to Speaker Outputs (RL=8
Ω BTL)
SNR (A-weighted)
Class D Mode
SPK Boost=+12dB
97
dB
THD (PO=0.5W)
-63
dB
THD+N (PO=0.5W)
-62
dB
THD (PO=1.0W)
-67
dB
THD+N (PO=1.0W)
-65
dB
PSRR (all supplies
217Hz)
-63
dB
SNR (A-weighted)
Class AB Mode
SPK Boost=+12dB
104
dB
THD (PO=0.5W)
-68
dB
THD+N (PO=0.5W)
-65
dB
THD (PO=1.0W)
-70
dB
THD+N (PO=1.0W)
-68
dB
PSRR (all supplies
217Hz)
-67
dB
DC Offset at Load
Class AB Mode
SPK Boost=0dB
10
mV
F7
Line Input to Speaker Outputs via SPKMIXL or SPKMIXR (RL=8
Ω BTL)
SNR (A-weighted)
Class D Mode
SPK Boost =+12dB
93
dB
THD (PO=0.5W)
-63
dB
THD+N (PO=0.5W)
-62
dB
THD (PO=1.0W)
-67
dB
THD+N (PO=1.0W)
-65
dB
PSRR (all other supplies
217Hz)
-47
dB
SNR (A-weighted)
Class AB Mode
SPK Boost=+12dB
86
96
dB
THD (PO=0.5W)
-68
-59
dB
THD+N (PO=0.5W)
-65
-57
dB
THD (PO=1.0W)
-70
dB
THD+N (PO=1.0W)
-68
dB
PSRR (all other supplies
217Hz)
-47
dB
DC Offset at Load
Class AB Mode
SPK Boost=0dB
10
mV



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