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WM8991 датащи(PDF) 21 Page - Wolfson Microelectronics plc

номер детали WM8991
подробное описание детали  Mobile Multimedia CODEC with Dual-Mode Class AB/D Speaker Driver
PDF  174 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8991 датащи(HTML) 21 Page - Wolfson Microelectronics plc

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Pre-Production
WM8991
w
PP, May 2008, Rev 3.1
21
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, TA = +25
oC, 1kHz signal, fs = 48kHz,
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
G6
Headset Voice Call:
Tx Voice and Rx Voice Separation
1kHz full scale differential input on
RXP/RXN via RXVOICE to LOMIX
and ROMIX, output to LOUT and
ROUT; Quiescent input on LIN12
or RIN12 (Gain=+12dB),
differential output to LOP/LON or
ROP/RON; Measure crosstalk at
LOP/LON or ROP/RON output
-
+
+12dB
LIN12 or RIN12
(Single-ended or
differential mode)
0dB
LOPMIX or
ROPMIX
0dB
LOAD
+
0dB
+
0dB
LOMIX
ROMIX
Full scale
input
Quiescent input
RXVOICE
-
+
LIN1 or
RIN1
LIN2 or
RIN2
RXN
RXP
LOUT
ROUT
LOP or
ROP
LON or
RON
75
dB
G7
Stereo Line Record and Playback:
DAC/Headset to ADC Separation
-5dBFS input to DACs, playback
to LOUT and ROUT1; ADC record
from line input; Measure crosstalk
on ADC output
-5dBFS,
1kHz
-5dBFS,
1kHz
ROMIX
+
DACR
LOUTVOL
0dB
DACL
+
LOMIX
ROUTVOL
0dB
+
INMIXL or
INMIXR
ADCL or
ADCR
CROSSTALK
Quiescent
input
LOUT
ROUT
LIN2, LIN4,
RIN2 or RIN4
90
dB



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