WM8759
Advanced Information
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply range
Ground
Analog supply current
Digital supply current
Power down current (note 4)
SYMBOL
AVDD, DVDD
AGND, DGND
AVDD = 5V
AVDD = 3.3V
DVDD = 5V
DVDD = 3.3V
AVDD=DVDD=5V
8
4
0.01
mA
mA
TEST CONDITIONS
MIN
2.7
0
12
TYP
MAX
5.5
UNIT
V
V
mA
ELECTRICAL CHARACTERISTICS
Test Conditions
o
AVDD = 5V, DVDD = 3.3V, GND = 0V, T
A
= +25 C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
Digital Logic Levels (TTL Levels)
Input LOW level
Input HIGH level
Output LOW
Output HIGH
Analogue Reference Levels
Reference voltage (CAP)
Potential divider resistance
DAC Output (Load = 10kΩ. 50pF)
Ω
0dBFs Full scale output voltage
SNR (Note 5,6,7)
SNR (Note 5,6,7)
SNR (Note 5,6,7)
SNR (Note 5,6,7)
At DAC outputs
A-weighted,
@ fs = 48kHz
A-weighted
@ fs = 96kHz
A-weighted
@ fs = 192kHz
A-weighted,
@ fs = 48kHz
VDD = 3.3V
A-weighted
@ fs = 96kHz
VDD = 3.3V
Non ‘A’ weighted @ fs
= 48kHz
1kHz, 0dBFs
1kHz, 0dBFs
94
1.1 x
AVDD/5
100
97
97
95
Vrms
dB
dB
dB
dB
R
CAP
AVDD to CAP and CAP
to GND
AVDD/2
50k
V
Ω
V
IL
V
IH
V
OL
V
OH
I
OL
= 2mA
I
OH
= 2mA
DVDD – 0.3V
2.0
DGND + 0.3V
0.8
V
V
V
V
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SNR (Note 5,6,7)
95
dB
SNR (Note 5,6,7)
THD+N (Note 7)
THD+N driving headphone
DAC channel separation
10k load
16R load
97
-88
-72
93
dB
dB
dB
dB
w
AI Rev 3.0 September 2004
6
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
