wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 16
wm8400
Manufacturer Part Number
wm8400
Description
Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8400.pdf
(208 pages)
- Current page: 16 of 208
- Download datasheet (3Mb)
WM8400
w
Test Conditions
DCVDD = 1.8V, HBVDD = MBVDD = I2CVDD = I2S1VDD = I2S2VDD = AVDD = HPVDD = 3.0V, SPKVDD = 5V,
T
DAC Output Path (Line Outputs 10kΩ / 50pF Load, Headphone Outputs 16Ω Load, Speaker Output 8Ω BTL Load)
SNR (A-weighted)
THD
THD+N
Crosstalk (L/R)
AVDD PSRR (217Hz)
SNR (A-weighted)
THD
THD+N
SNR (A-weighted)
THD
THD+N
Crosstalk (L/R)
AVDD PSRR (217Hz)
DC Offset at Load
SNR (A-weighted)
THD
THD+N
Minimum Line Out
Resistance
Maximum Line Out
Capacitance
SNR (A-weighted)
THD (P
THD+N (P
Crosstalk (L/R)
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
SNR (A-weighted)
THD (P
THD+N (P
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
Crosstalk (L/R)
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
SNR (A-weighted)
THD (P
THD+N (P
THD (P
THD+N (P
A
= +25
PARAMETER
O
O
O
O
O
O
=5mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
o
C, 1kHz signal, fs = 44.1kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
O
O
O
O
O
O
=5mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
DAC to LOUT or
ROUT, R
DAC to LOUT or
ROUT, R
DAC to LOUT or
ROUT, R
ended line out,
ended line out,
DAC to single-
DAC to single-
differential line
input, AVDD =
differential line
input, AVDD =
DAC to LOUT,
AVDD = 3.0V
AVDD = 2.7V
0dBFS input,
0dBFS input,
out, 0dBFS
out, 0dBFS
LOP, LON,
ROP, RON
LOP, LON,
ROP, RON
or ROUT,
R
DAC to
DAC to
L
3.0V
2.7V
3.0V
2.7V
3.0V
2.7V
=16Ω,
L
L
L
=32Ω,
=32Ω,
=16Ω,
DACL or
DACR
TEST CONDITIONS
32Ω AC-Coupled Headphone Outputs
16Ω AC-Coupled Headphone Outputs
LOMIX or
ROMIX
+
ROUT
LOUT
or
R
16Ohm
+
LOAD
=
MIN
2
-100
-100
-100
-100
TYP
-86
-83
-85
-83
-86
-83
-85
-83
-77
-74
-76
-73
-72
-70
-73
-71
-69
-67
-71
-69
96
45
97
96
60
96
98
45
85
97
96
45
85
95
5
PP, April 2009, Rev 3.0
MAX
10
Pre-Production
UNIT
mV
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
nF
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
16
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