wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 19

• 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
SNR (A-weighted)
THD (0dB output)
THD+N (0dB output)
AVDD PSRR (217Hz)
DC Offset at Load
SNR (A-weighted)
THD (0dB output)
THD+N (0dB output)
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
Crosstalk (L/R)
SNR (A-weighted)
THD (P
THD+N (P
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
Crosstalk (L/R)
SNR (A-weighted)
THD (P
THD+N (P
A
= +25
PARAMETER
O
O
O
O
O
O
=20mW)
=5mW)
=5mW)
=20mW)
=5mW)
=5mW)
o
C, 1kHz signal, fs = 44.1kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
O
O
O
O
O
O
=20mW)
=5mW)
=5mW)
=20mW)
=5mW)
=5mW)
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
ROMIX to LOUT
ROMIX to LOUT
Headphones via
Headphones via
Differential Line
Differential Line
Input PGA via
Input PGA via
Input PGA to
Input PGA to
Line Input to
Line Input to
AVDD=3.0V
AVDD=2.7V
LOMIX and
LOMIX and
LOMIX or
or ROUT,
LOMIX or
or ROUT,
R
R
R
R
ROMIX,
ROMIX,
L
L
L
L
3.0V
2.7V
3.0V
2.7V
Out,
Out,
=16Ω,
=16Ω,
=16Ω,
=16Ω,
TEST CONDITIONS
MIN
TYP
102
100
102
100
104
102
-96
-94
-95
-93
-80
-78
-77
-75
-95
-76
-74
-80
-78
-77
-75
-95
-76
-74
45
45
85
70
85
5
PP, April 2009, Rev 3.0
MAX
WM8400
UNIT
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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