WM9715L
Production Data
AUDIO INPUTS
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 48kHz, 18-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LINEINL/R, MICL/R and PHONE pins
Full Scale Input Signal Level
VINFS
AVDD = 3.3V
AVDD = 1.8V
1.0
V rms
(for ADC 0dB Input at 0dB Gain)
0.545
differential input mode
(MS = 01)
half of the value listed above
Input Resistance
RIN
PHONE, LINEINL/R pins
PGA gain
10
17
12
5
22
kΩ
MIC1/2 pins
6
18
PGA gain
Input Capacitance
pF
dB
Line input to ADC (LINEINL, LINEINR)
Signal to Noise Ratio
(A-weighted)
SNR
80
88
Total Harmonic Distortion
Power Supply Rejection
THD
-6dBFs
-88
50
-80
dB
dB
PSRR
20Hz to 20kHz
Microphone input to 32Ω BTL ear speaker on OUT3/HPOUTL
Signal to Noise Ratio
(A-weighted)
SNR
80
dB
Total Harmonic Distortion
Power Supply Rejection Ratio
THD
-80
50
dB
dB
PSRR
AUXILIARY MONO DAC (AUXDAC)
Test Conditions
AVDD = 3.3V, TA = +25oC, unless otherwise stated.
PARAMETER
Resolution
SYMBOL
TEST CONDITIONS
MIN
TYP
12
1
MAX
UNIT
bits
Full scale output voltage
Signal to Noise Ratio
(A-weighted)
AVDD=3.3V
Vrms
dB
SNR
THD
65
70
Total Harmonic Distortion
-63
-50
dB
PD Rev 4.0 December 2007
8
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
