WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 11
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WM8959
Manufacturer Part Number
WM8959
Description
Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8959.pdf
(155 pages)
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ELECTRICAL CHARACTERISTICS
Test Conditions
DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, T
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
Analogue Input Pin Maximum Signal Levels (LIN1, LIN2, LIN3, LIN4, RIN1, RIN2, RIN3, RIN4)
A1
A2
Maximum Full-Scale PGA
Input Signal Level
Note 1: This changes in
proportion to AVDD
(AVDD/3.3).
Note 2: When mixing input
PGA outputs and line
inputs the total signal
must not exceed 1Vrms
(0dBV).
Note 3: A 1.0Vrms
differential signal equates
to 0.5Vrms/-6dBV per
input.
Maximum Full-Scale Line
Input Signal Level
Note 1: This changes in
proportion to AVDD
(AVDD/3.3).
Note 2: When mixing line
inputs, input PGA outputs
and DAC outputs the total
signal must not exceed
1Vrms (0dBV).
Note 3: A 1.0Vrms
differential signal equates
to 0.5Vrms/-6dBV per
input.
LIN3/LIN4, RIN1/RIN2
two single-ended PGA
LIN4, RIN2 or RIN4 to
Differential PGA input
Differential mono line
input on RXP/RXN to
RIN1 or RIN3, output
to INMIXL or INMIXR
or RIN3/RIN4, output
to INMIXL or INMIXR
or RIN1/RIN3, output
Differential mono line
input on RXP/RXN to
Line input on LIN2 or
Line input on LIN3 or
differential output on
input on LIN1, LIN3,
inputs on LIN1/LIN3
Differential input to
Line input on LIN2,
Single-ended PGA
INMIXL or INMIXR
RIN3 to LOMIX or
RIN2 to SPKMIX
on LIN1/LIN2,
to DIFFINL or
OUT3/OUT4
RXVOICE
DIFFINR
ROMIX
TEST CONDITIONS
A
= +25
o
C, 1kHz signal, fs = 48kHz,
MIN
PP, May 2008, Rev 3.1
TYP
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0
0
0
0
0
0
0
0
MAX
WM8959
Vrms
Vrms
Vrms
Vrms
Vrms
Vrms
Vrms
Vrms
UNIT
dBV
dBV
dBV
dBV
dBV
dBV
dBV
dBV
11
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