wm9715l Wolfson Microelectronics plc, wm9715l Datasheet - Page 8

• Manufacturer Part Number: wm9715l
• Description: Ac?97 Audio And Touchpanel Codec
• Manufacturer: Wolfson Microelectronics plc

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