wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 8

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

WM9714L
AUDIO INPUTS
AUXILIARY MONO DAC (AUXDAC)
PCM VOICE DAC (VXDAC)
w
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
LINEL/R, MIC1/2A/2B, MONOIN and PCBEEP pins
Full Scale Input Signal Level
(0dBFS)
Input Resistance
Input Capacitance
Line input to ADC (LINEL, LINER, MONOIN)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Power Supply Rejection
Microphone input to ADC (MIC1/2A/2B pins)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
Resolution
Full scale output voltage
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
Resolution
Sample rates
Full scale output voltage
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
PARAMETER
PARAMETER
PARAMETER
SYMBOL
SYMBOL
SYMBOL
PSRR
V
SNR
SNR
SNR
SNR
THD
THD
THD
THD
R
INFS
IN
A
A
A
(MS = 01) AVDD = 3.3V
(MS = 01) AVDD = 1.8V
differential input mode
differential input mode
= +25
= +25
= +25
20dB boost enabled
20dB boost enabled
TEST CONDITIONS
TEST CONDITIONS
TEST CONDITIONS
12dB PGA gain
20Hz to 20kHz
0dB PGA gain
AVDD = 3.3V
AVDD = 1.8V
-3dBFS input
AVDD=3.3V
AVDD=3.3V
o
o
o
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
C, 1kHz signal, fs = 8kHz, 24-bit audio data unless otherwise stated.
C, 1kHz signal, fs = 8kHz, 24-bit audio data unless otherwise stated.
25.6
10.4
MIN
MIN
MIN
80
0.545
0.273
TBD
TBD
TYP
TYP
TYP
1.0
0.5
-86
-80
32
13
87
50
80
12
16
80
74
5
1
8
1
PP, Rev 3.2, October 2008
MAX
38.4
15.6
MAX
MAX
-80
16
Pre-Production
Vrms
Vrms
Vrms
UNIT
UNIT
UNIT
Ks/s
bits
bits
kΩ
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB
8