WM9712CLGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM9712CLGEFL/RV Datasheet - Page 7
WM9712CLGEFL/RV
Manufacturer Part Number
WM9712CLGEFL/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9712CLGEFLRV.pdf
(78 pages)
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ELECTRICAL CHARACTERISTICS
AUDIO OUTPUTS
Note:
1.
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD=HPVDD=SPKVDD =3.3V, T
otherwise stated.
PARAMETER
DAC to Line-Out (HPOUTL/R or MONOOUT with 10k / 50pF load)
Full-scale output
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Power Supply Rejection
Speaker Output (LOUT2/ROUT2 with 8 bridge tied load, INV=1)
Output Power
Output Power at 1% THD
Abs. Max Output Power
Total Harmonic Distortion
Signal to Noise Ratio
(A-weighted)
Headphone Output (HPOUTL/R, OUT3 or LOUT2/ROUT2 with 16 or 32 load)
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
–76dB when output power is 10mW. Higher output power is possible, but will result in a deterioration in THD.
SYMBOL
P
PSRR
SNR
THD
THD
SNR
THD
SNR
O
P
P
P
max
O
O
O
AVDD = 3.3V, PGA gains
TEST CONDITIONS
100mV, 20Hz to 20kHz
P
P
P
P
O
O
O
O
signal on AVDD
=10mW, R
=10mW, R
=20mW, R
=20mW, R
-3dB output
P
set to 0dB
O
=200mW
Output power is very closely correlated with THD; see below.
Output power is very closely correlated with THD; see below.
L
L
L
L
=16
=32
=16
=32
A
= +25
o
C, 1kHz signal, fs = 48kHz, 18-bit audio data unless
MIN
85
90
90
TYP
0.05
400
500
100
-87
-66
-76
-73
-75
-78
94
50
95
1
PD, Rev 4.6, November 2011
MAX
L
=16, THD is
-80
-70
WM9712L
UNIT
V rms
mW
mW
dB
dB
dB
dB
dB
dB
dB
%
7
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