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WM8976 датащи(PDF) 9 Page - Wolfson Microelectronics plc

номер детали WM8976
подробное описание детали  Stereo CODEC With Speaker Driver
PDF  108 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976 датащи(HTML) 9 Page - Wolfson Microelectronics plc

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Pre-Production
WM8976
w
PP Rev 3.0 April 2006
9
Test Conditions
DCVDD=1.8V, AVDD=DBVDD=SPKVDD= 3.3V, TA = +25
oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise
stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RL = 10k
Ω
52
dB
Power Supply Rejection Ratio
(50Hz-22kHz)
PSRR
RL = 10k
Ω
SPKVDD=5V (boost)
56
dB
Microphone Bias
MBVSEL=0
0.9*AVDD
V
Bias Voltage
VMICBIAS
MBVSEL=1
0.65*AVDD
V
Bias Current Source
IMICBIAS
3
mA
Output Noise Voltage
Vn
1K to 20kHz
15
nV/
√Hz
Digital Input / Output
Input HIGH Level
VIH
0.7
×DBVDD
V
Input LOW Level
VIL
0.3
×DBVDD
V
Output HIGH Level
VOH
IOL=1mA
0.9
×DBVDD
V
Output LOW Level
VOL
IOH-1mA
0.1xDBVDD
V
Input capacitance
TBD
pF
Input leakage
TBD
pA



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