WM8726
Production Data
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply range
SYMBOL
VDD
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
2.7
5.5
Ground
GND
0
V
Supply current
Supply current
Power down current (note 4)
VDD = 5V
VDD = 3.3V
VDD=3.3V
27
23
0.5
mA
mA
mA
ELECTRICAL CHARACTERISTICS
Test Conditions
VDD = 5V, GND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
0.8
UNIT
Digital Logic Levels (TTL Levels)
Input LOW level
VIL
VIH
V
V
V
V
Input HIGH level
2.0
Output LOW
VOL
VOH
I
OL = 2mA
GND + 0.3V
Output HIGH
I
OH = 2mA
VDD - 0.3V
Analogue Reference Levels
Reference voltage (CAP)
Potential divider resistance
VDD/2
50k
V
RCAP
VDD to CAP and CAP
to GND
Ω
DAC Output (Load = 10kΩ 50pF)
0dBFs Full scale output voltage
At DAC outputs
1.1 x
VDD/5
100
Vrms
dB
dB
dB
dB
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
A-weighted,
@ fs = 48kHz
A-weighted
@ fs = 96kHz
A-weighted
@ fs = 192kHz
A-weighted,
@ fs = 48kHz
VDD = 3.3V
A-weighted
90
97
97
95
SNR (Note 1,2,3)
SNR (Note 1,2,3)
95
98
dB
dB
@ fs = 96kHz
VDD = 3.3V
Non ‘A’ weighted @ fs
= 48kHz
THD (Note 3)
1kHz, 0dBFs
-88
dB
dB
Dynamic Range (Note 2)
1kHz, THD+N @
-60dBFs
90
100
DAC channel separation
93
dB
PD Rev 4.1 September 2005
6
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
