WM9712CLGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM9712CLGEFL/RV Datasheet - Page 8

• Manufacturer Part Number: WM9712CLGEFL/RV
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM9712L
w
AUDIO INPUTS
AUXILIARY MONO DAC (AUXDAC)
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
PARAMETER
LINEINL/R, MICL/R and PHONE pins
Full Scale Input Signal Level
(for ADC 0dB Input at 0dB Gain)
Input Resistance
Input Capacitance
Line input to ADC (LINEINL, LINEINR, PHONE)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Power Supply Rejection
Microphone input to ADC (MIC1/2 pins)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Test Conditions
AVDD = 3.3V, T
PARAMETER
Resolution
Full scale output voltage
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
A
= +25
o
C, unless otherwise stated.
SYMBOL
SYMBOL
CMRR
PSRR
PSRR
SNR
SNR
SNR
V
THD
THD
THD
R
INFS
IN
A
= +25
TEST CONDITIONS
TEST CONDITIONS
differential input mode
Differential mic mode
20dB boost enabled
20dB boost enabled
12dB PGA gain
20Hz to 20kHz
0dB PGA gain
AVDD = 3.3V
AVDD = 1.8V
AVDD=3.3V
o
(MS = 01)
C, 1kHz signal, fs = 48kHz, 18-bit audio data unless otherwise stated.
-6dBFs
MIN
MIN
10
85
65
half of the value listed above
TYP
TYP
0.545
TBD
1.0
-87
-80
-62
34
16
92
50
80
50
12
70
5
1
PD, Rev 4.6, November 2011
MAX
MAX
-80
-50
22
Production Data
UNIT
UNIT
V rms
Vrms
bits
k
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB
8