WM9714L_06 WOLFSON [Wolfson Microelectronics plc], WM9714L_06 Datasheet - Page 7
WM9714L_06
Manufacturer Part Number
WM9714L_06
Description
AC 97 Audio CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9714L_06.pdf
(94 pages)
- Current page: 7 of 94
- Download datasheet (2Mb)
Pre-Production
ELECTRICAL CHARACTERISTICS
AUDIO OUTPUTS
Note:
1.
w
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD=HPVDD=SPKVDD =3.3V, T
otherwise stated.
DAC to Line-Out (HPL/R, SPKL/R or MONO with 10k
Full-scale output (0dBFS)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Power Supply Rejection
Speaker Output (SPKL/SPKR with 8
Output Power at 1% THD
Abs. max output power
Total Harmonic Distortion
Signal to Noise Ratio
(A-weighted)
Stereo Speaker Output (SPKL/OUT4 and SPKR/OUT3 with 8
Output Power at 1% THD
Abs. max output power
Total Harmonic Distortion
Signal to Noise Ratio
(A-weighted)
Headphone Output (HPL/R, OUT3/4 or SPKL/SPKR with 16
Output Power per channel
Total Harmonic Distortion
Signal to Noise Ratio
(A-weighted)
All THD values are valid for the output power level quoted above – for example, at HPVDD=3.3V and R
–80dB when output power is 10mW. Higher output power is possible, but will result in deterioration in THD.
PARAMETER
SYMBOL
P
P
PSRR
SNR
THD
THD
SNR
THD
SNR
THD
SNR
O
O
P
P
P
max
max
O
O
O
bridge tied load, INV=1)
AVDD = 3.3V, PGA gains
100mV, 20Hz to 20kHz
P
P
P
P
TEST CONDITIONS
O
O
O
O
signal on AVDD
=10mW, R
=10mW, R
=20mW, R
=20mW, R
P
P
-3dB output
THD = 1%
THD = 1%
set to 0dB
O
O
= 200mW
= 200mW
Output power is very closely correlated with THD; see below.
/ 50pF load)
L
L
L
L
=16
=32
=16
=32
or 32
bridge tied load, INV=1)
A
= +25
load)
o
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless
MIN
85
0.05
0.05
TYP
400
500
400
500
-85
-66
-66
-80
-80
-78
-79
94
50
90
90
90
1
L
MAX
=16 , THD is
-74
PP Rev 3.0 June 2006
WM9714L
mW (rms)
mW (rms)
mW (rms)
mW (rms)
V rms
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
7
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