WM8714 Datasheet, PDF (6/17 Pages) Wolfson Microelectronics plc – 24-bit, 96kHz Stereo DAC

WM8714
Production Data
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply range
Ground
Difference DGND to AGND
Supply current
Supply current
SYMBOL
VDD
GND
TEST CONDITIONS
MIN
2.7
-0.3
VDD = 5V
VDD = 3.3V
TYP
MAX
UNIT
5.5
V
0
V
0
+0.3
V
15
25
mA
12
mA
ELECTRICAL CHARACTERISTICS
Test Conditions
VDD = 5V, GND = 0V, TA = +25^oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
Digital Logic Levels (CMOS Levels)
Input LOW level
VIL
Input HIGH level
VIH
2.0
Output LOW
Output HIGH
VOL
IOL = 2mA
VOH
IOH = 2mA
AVDD - 0.3V
Analogue Reference Levels
Reference voltage (CAP)
VDD/2 -
50mV
Potential divider resistance
RVMID
VDD to CAP and CAP
80k
to GND
DAC Output (Load = 10k ohms. 50pF)
0dBFs Full scale output voltage
At DAC outputs
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
THD (Note 3)
Dynamic Range (Note 2)
DAC channel separation
A-weighted,
90
@ fs = 48kHz
A-weighted
@ fs = 96kHz
A-weighted,
@ fs = 48kHz
AVDD, DVDD = 3.3V
A-weighted
@ fs = 96kHz
AVDD, DVDD = 3.3V
Non A-weighted @ fs =
48kHz
1kHz, 0dBFs
1kHz, THD+N @
90
-60dBFs
TYP
VDD/2
100k
1.1 x
VDD/5
95
93
97
95
92
-90
95
95
MAX
0.8
AGND + 0.3V
VDD/2 +
50mV
120k
-74
UNIT
V
V
V
V
V
Ω
Vrms
dB
dB
dB
dB
dB
dB
dB
dB
w
PD Rev 4.0 November 2004
6