WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 12
![no-image](/images/no-image-200.jpg)
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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WM8959
w
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 Impedances (LIN1, LIN2, LIN3, LIN4, RIN1, RIN2, RIN3, RIN4)
B1
B2
B3
PGA Input Resistance
Note: this will be seen in
parallel with the
resistance of other
enabled input paths
from the same pin
Line Input Resistance
Note: this will be seen in
parallel with the
resistance of other
enabled input paths
from the same pin
Input Capacitance
RXP and RXN via RXVOICE
RXP and RXN via RXVOICE
RXP and RXN via RXVOICE
RXP and RXN via RXVOICE
RXP and RXN via RXVOICE
RXP and RXN via RXVOICE
to AINLMUX and AINRMUX
to AINLMUX and AINRMUX
to AINLMUX and AINRMUX
LIN2 or RIN2 to INMIXL or
LIN2 or RIN2 to INMIXL or
LIN2 or RIN2 to INMIXL or
to AINLMUX or AINRMUX
to AINLMUX or AINRMUX
to AINLMUX or AINRMUX
LIN3 or RIN3 to LOMIX or
LIN3 or RIN3 to LOMIX or
LIN2, LIN4, RIN2 or RIN4
LIN1, LIN3, RIN1 or RIN3
LIN1, LIN3, RIN1 or RIN3
LIN1, LIN3, RIN1 or RIN3
LIN2 or RIN2 to SPKMIX
LIN2 or RIN2 to SPKMIX
LIN4 to OUT3 or RIN4 to
LIN4 to OUT3 or RIN4 to
(Constant for all gains)
All analogue input pins
(PGA Gain = -16.5dB)
(SPKATTN = -12dB)
(PGA Gain = +30dB)
OUT4 (Gain = -6dB)
OUT4 (Gain = 0dB)
(SPKATTN = 0dB)
(PGA Gain = 0dB)
INMIXR (-12dB)
ROMIX (-21dB)
INMIXR (+6dB)
(Gain = -12dB)
(Gain = -12dB)
INMIXR (0dB)
(Gain = +6dB)
(Gain = +6dB)
ROMIX (0dB)
(Gain = 0dB)
(Gain = 0dB)
TEST CONDITIONS
A
= +25
o
C, 1kHz signal, fs = 48kHz,
MIN
PP, May 2008, Rev 3.1
TYP
224
7.5
7.5
3.8
7.5
57
33
65
60
15
20
20
20
15
45
25
20
20
10
2
Pre-Production
MAX
UNIT
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
pF
12
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