WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 17

• Manufacturer Part Number: WM8959
• Description: Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

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Pre-Production
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.
F4
F5
F6
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
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
THD (P
THD+N (P
O
O
O
O
O
O
O
O
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
O
O
O
O
O
O
O
O
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=5mW)
=20mW)
=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=3.3V
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
3.3V
2.7V
3.3V
2.7V
Out,
Out,
=16Ω,
=16Ω,
=16Ω,
=16Ω,
A
= +25
o
C, 1kHz signal, fs = 48kHz,
90
92
PP, May 2008, Rev 3.1
101
100
102
100
104
102
-99
-97
-95
-93
-77
-75
-73
-71
-95
-74
-72
-72
-70
-77
-75
-73
-71
-95
-74
-72
-72
-70
45
45
85
70
85
5
-90
-88
-72
-70
WM8959
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
dB
dB
dB
dB
17