wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 13

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

w
Pre-Production
Test Conditions
DCVDD = 1.8V, HBVDD = MBVDD = I2CVDD = I2S1VDD = I2S2VDD = AVDD = HPVDD = 3.0V, SPKVDD = 5V,
T
PARAMETER
Analogue Input Pin Impedances (LIN1, LIN2, LIN3, LIN4, RIN1, RIN2, RIN3, RIN4)
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
A
= +25
o
C, 1kHz signal, fs = 44.1kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
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
MIN
TYP
224
7.5
57
33
65
60
15
20
20
20
22
27
60
12
16
30
20
20
10
2
PP, April 2009, Rev 3.0
MAX
WM8400
UNIT
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
pF
13