WM9711LGEFL/V Wolfson Microelectronics, WM9711LGEFL/V Datasheet - Page 7

• Manufacturer Part Number: WM9711LGEFL/V
• Description: Audio CODECs Stereo AC'97 CODEC with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM9711LGEFL/V

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 3
• No. Of Input Channels: 9
• No. Of Output Channels: 4
• Adc / Dac Resolution: 12bit
• Adcs / Dacs Signal To Noise Ratio: 94dB
• Sampling Rate: 48kHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
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 (HPOUTL/R or MONOOUT with 10kΩ / 50pF load)
Full-scale output
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
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, OUT3 or LOUT2/ROUT2 with 16Ω or 32Ω load)
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
–76dB when output power is 10mW. Higher output power is possible, but will result in a deterioration in THD.
PARAMETER
SYMBOL
PSRR
P
SNR
THD
SNR
THD
SNR
THD
O
P
P
max
O
O
AVDD = 3.3V, PGA gains
HPVDD=1.8V, R
P
P
P
P
TEST CONDITIONS
O
O
O
O
20Hz to 20kHz
=10mW, R
=10mW, R
=20mW, R
=20mW, R
AVDD=3.3V
P
-3dB output
set to 0dB
O
=200mW
Output power is very closely correlated with THD; see below.
L
L
L
L
=16Ω
=32Ω
=16Ω
=32Ω
L
=32Ω
A
= +25
o
C, 1kHz signal, fs = 48kHz, 18-bit audio data unless
MIN
85
90
90
0.05
TYP
400
500
100
-87
-66
-76
-73
-75
-78
94
50
95
1
5
PD Rev 4.3 August 2006
L
MAX
=16Ω, THD is
-80
WM9711L
V rms
UNIT
mW
mW
mW
dB
dB
dB
dB
dB
dB
dB
%
7