WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 11

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pre-Production
w
Stereo Playback to Line-out - DAC input to LINEOUTL+LINEOUTR pins with 3.01kΩ / 50pF load
Test conditions: LINEOUTL_VOL = LINEOUTR_VOL = 111001b (0dB)
PARAMETER
Full Scale Output Signal Level
DC offset
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel Separation
Channel Level Matching
Power Supply Rejection Ratio
Stereo Playback to Differential Line-out - DAC input to LOP+LON or ROP+RON pins with 10kΩ / 50pF load
Test conditions: SPKR_LVOL = SPKR_RVOL = 111001b (0dB)
PARAMETER
Full Scale Output Signal Level
Common mode output level
Common mode output error
Signal to Noise Ratio
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel Separation
Channel Level Matching
Power Supply Rejection Ratio
Output PGAs (HP, LINE and Differential LINE)
PARAMETER
Minimum PGA gain setting
Maximum PGA gain setting
PGA Gain Step Size
PGA gain accuracy
PGA gain accuracy
Mute attenuation
(LOP-LOR/ROP-RON)
TEST CONDITIONS
Differential LINE
SYMBOL
SYMBOL
THD+N
THD+N
0dB to -57dB
LINEOUTL/R
+6dB to 0dB
HPOUTL/R
PSRR
PSRR
SNR
THD
SNR
THD
DAC 0dBFS output at 0dB
Measured Differentially
Calibration complete.
10kHz signal, 0dBFS
20kHz, 100mV pk-pk
10kHz signal, 0dBFS
20kHz, 100mV pk-pk
TEST CONDITIONS
1kHz signal, 0dBFS
1kHz signal, 0dBFS
TEST CONDITIONS
1kHz signal, 0dBFS
1kHz, 100mVpk-pk
1kHz, 100mVpk-pk
DC servo enabled.
A-weighted
3.01kΩ load
3.01kΩ load
1kHz signal
A-weighted
volume
0dBFS
MIN
-1.5
-1
-0.446
-0.446
0.95
2.69
0.95
2.69
MIN
MIN
90
90
0
TYP
105
-57
77
79
6
1
AVDD/2
+/-1dB
+/-1dB
2.83
2.83
+/-7
TYP
100
TYP
100
1.0
-86
-84
1.0
-92
-88
PP, Rev 3.1, August 2009
95
85
60
40
95
85
60
40
0
0
MAX
+1.5
+1
+/-1.5
0.424
0.424
MAX
1.05
2.97
MAX
1.05
2.97
-77
-75
-82
-80
WM8903
UNIT
Vpk-pk
Vpk-pk
dB
dB
dB
dB
dB
dB
dB
Vrms
Vrms
UNIT
dBV
dBV
mV
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
11