WM9713L
Pre-Production
ELECTRICAL CHARACTERISTICS
AUDIO OUTPUTS
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD=HPVDD=SPKVDD =3.3V, TA = +25oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless
otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC to Line-Out (HPL/R, SPKL/R or MONO with 10kΩ / 50pF load)
Full-scale output (0dBFS)
AVDD = 3.3V, PGA gains
1
set to 0dB
V rms
Signal to Noise Ratio
(A-weighted)
SNR
85
94
dB
Total Harmonic Distortion
THD
-3dB output
-85
-74
dB
Power Supply Rejection
PSRR
100mV, 20Hz to 20kHz
50
dB
signal on AVDD
Speaker Output (SPKL/SPKR with 8Ω bridge tied load, INV=1)
Output Power at 1% THD
PO
THD = 1%
Abs. max output power
POmax
Total Harmonic Distortion
THD
PO = 200mW
400
mW (rms)
500
mW (rms)
-66
dB
0.05
%
Signal to Noise Ratio
(A-weighted)
SNR
90
dB
Stereo Speaker Output (SPKL/OUT4 and SPKR/OUT3 with 8Ω bridge tied load, INV=1)
Output Power at 1% THD
PO
THD = 1%
400
Abs. max output power
POmax
500
Total Harmonic Distortion
THD
PO = 200mW
-66
0.05
mW (rms)
mW (rms)
dB
%
Signal to Noise Ratio
(A-weighted)
SNR
90
dB
Headphone Output (HPL/R, OUT3/4 or SPKL/SPKR with 16Ω or 32Ω load)
Output Power per channel
PO
Output power is very closely correlated with THD; see below.
Total Harmonic Distortion
THD
PO=10mW, RL=16Ω
-80
dB
PO=10mW, RL=32Ω
-80
PO=20mW, RL=16Ω
-78
PO=20mW, RL=32Ω
-79
Signal to Noise Ratio
SNR
90
dB
(A-weighted)
Note:
1. All THD values are valid for the output power level quoted above – for example, at HPVDD=3.3V and RL=16Ω, THD is
–80dB when output power is 10mW. Higher output power is possible, but will result in deterioration in THD.
w
PP Rev 3.0 June 2006
8