wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 18

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

WM8400
w
Test Conditions
DCVDD = 1.8V, HBVDD = MBVDD = I2CVDD = I2S1VDD = I2S2VDD = AVDD = HPVDD = 3.0V, SPKVDD = 5V,
T
Bypass Path Performance (Line Outputs 10kΩ / 50pF load, Headphone Outputs 16Ω load, Speaker Output 8Ω BTL load)
SNR (A-weighted)
THD (P
THD+N (P
AVDD PSRR (217Hz)
HPVDD PSRR (217Hz)
DC Offset at Load
SNR (A-weighted)
THD (P
THD+N (P
SNR (A-weighted)
THD (P
THD+N (P
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
AVDD PSRR (217Hz)
SPKVDD PSRR(217Hz)
SNR (A-weighted)
THD (P
THD+N (P
AVDD PSRR (217Hz)
SPKVDD PSRR(217Hz)
DC Offset at Load
A
= +25
PARAMETER
O
O
O
O
O
O
O
=5mW)
=5mW)
=5mW)
=5mW)
=0.5W)
=0.9W)
=0.5W)
o
C, 1kHz signal, fs = 44.1kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
O
O
O
O
O
O
O
=5mW)
=5mW)
=5mW)
=5mW)
=0.5W)
=0.9W)
=0.5W)
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
AVDD=HPVDD=
Differential Input
Differential Input
on RXP/RXN to
on RXP/RXN to
Class AB Mode
DCGAIN=1.67,
SPKVDD=5V,
Class D Mode
SPKVDD=5V,
RXVOICE via
RXVOICE via
OUT3/OUT4,
OUT3/OUT4,
AVDD=3.0V,
AVDD=3.0V,
Line Input to
Line Input to
Headphone
Headphone
Differential
Differential
Output on
Output on
ROMIX to
ROMIX to
ACGAIN=
LOMIX or
LOMIX or
SPKMIX,
SPKMIX,
Outputs,
Outputs,
3.0V
2.7V
3.0V
2.7V
TEST CONDITIONS
MIN
TYP
110
108
100
101
-74
-72
-73
-71
-73
-71
-71
-69
-87
-85
-81
-79
-77
-75
80
90
45
85
98
93
45
80
45
80
5
5
PP, April 2009, Rev 3.0
MAX
Pre-Production
UNIT
mV
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
18