WM8961
Pre-Production
Test Conditions
MICVDD = 2.5V, DVDD = 1.8V, CPVDD=1.8V, AVDD = 1.8V SPKVDD1 = SPKVDD2 = 5V, TA = +25oC, 1kHz signal, fs = 48kHz,
PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC to HP_L, HP_R (used as Line output) with 10kΩ / 50pF load: SNR optimised headphone playback mode (see note 1)
Signal to Noise Ratio
(A-weighted)
SNR
88
98
dB
Total Harmonic Distortion Plus
Noise
THD+N
10kΩ load
-78
dB
Total Harmonic Distortion
THD
10kΩ load
-79
dB
DAC to Headphone Output (HP_L, HP_R) with headphone load: standard headphone playback mode
Output Power at 1% THD+N
PO
RL=32Ω
26
mW
RL=16Ω
30
Total Harmonic Distortion Plus
THD+N
RL=32Ω, PO=2mW
-79
dB
Noise
0.011
%
RL=32Ω, PO=3.5mW
-79
0.011
RL=32Ω, PO=12mW
-78
0.012
-70
0.032
RL=16Ω, PO=2mW
-81
0.0089
RL=16Ω, PO=22mW
-80
0.01
Total Harmonic Distortion
THD
RL=32Ω, PO=12mW
-82
dB
0.0079
%
RL=16Ω, PO=22mW
-84
dB
0.0063
%
Noise Level
-87
-97
dBV
DC offset
DC servo is enabled
-1.5
+1.5
mV
Channel Separation
1kHz full scale signal
90
dB
10kHz full scale signal
75
DAC to Headphone Output (HP_L, HP_R) with headphone load: low power headphone playback mode
Total Harmonic Distortion Plus THD+N
RL=32Ω, PO=12mW
-77
dB
Noise
0.014
%
RL=16Ω, PO=22mW
-79
0.011
Noise Level
-97
dBV
DAC to Headphone Output (HP_L, HP_R) with headphone load: SNR optimised playback mode (see note 1)
Total Harmonic Distortion Plus
Noise
THD+N
RL=32Ω, PO=12mW
-81
-70
dB
0.0089
0.032
%
RL=16Ω, PO=22mW
-82
0.0079
Noise Level
-88
-98
dBV
DAC to Speaker Outputs (DAC to SPK_LP, SPK_LN, SPK_RP, SPK_RN with stereo 8Ω bridge tied load)
Output Power at 1% THD+N
PO
RL=8Ω, SPKVDD=5v5
1.26
W
Total Harmonic Distortion Plus
THD+N
PO =200mW, RL = 8Ω,
-64
dB
Noise
SPKVDD1=SPKVDD2
0.063
%
=3.3V; AVDD=1.8V
PO =320mW, RL = 8Ω,
-72
dB
SPKVDD1=SPKVDD2
0.025
%
=3.3V; AVDD=1.8V
w
PP, August 2009, Rev 3.1
9