WM9715LGEFLV WOLFSON [Wolfson Microelectronics plc], WM9715LGEFLV Datasheet - Page 7
WM9715LGEFLV
Manufacturer Part Number
WM9715LGEFLV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9715LGEFLV.pdf
(77 pages)
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Production Data
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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.
DAC to Line-Out (L/ROUT2 with 10kΩ load)
Full-scale output
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion +
Noise
Power Supply Rejection
Speaker Output (LOUT2/ROUT2 with 8Ω 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 with 16Ω or 32Ω load)
Output Power per channel
Total Harmonic Distortion
(Note 1)
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
THD+N
P
PSRR
SNR
THD
SNR
THD
SNR
O
P
P
P
max
O
O
O
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
-3dB output
set to 0dB
O
=150mW
Output power is very closely correlated with THD; see below.
Output power is very closely correlated with THD; see below.
L
L
L
L
=16Ω
=32Ω
=16Ω
=32Ω
A
= +25
o
C, 1kHz signal, fs = 48kHz, 18-bit audio data unless
MIN
85
90
90
0.05
TYP
400
500
-86
-65
-80
-81
-77
-79
90
50
97
95
1
PD Rev 4.0 December 2007
L
MAX
=16Ω, THD is
-80
-70
WM9715L
V rms
UNIT
mW
mW
dB
dB
dB
dB
dB
dB
dB
%
7
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