XWM8728EDS Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
Número de pieza
componentes Descripción
Fabricante
XWM8728EDS Datasheet PDF : 28 Pages
| |||
WM8728
Production Data
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
3.0
5.5
V
Analogue supply range
AVDD
3.0
5.5
V
Ground
AGND, DGND
0
V
Difference DGND to AGND
-0.3
0
+0.3
V
Analogue supply current
AVDD = 5V
19
mA
Digital supply current
DVDD = 5V
8
mA
Analogue supply current
AVDD = 3.3V
18
mA
Digital supply current
DVDD = 3.3V
4
mA
Note:
DVDD supply needs to be active before AVDD supply for correct device power on reset. See Power Supply Timing section.
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, DVDD = 5V, AGND = 0V, DGND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
Digital Logic Levels (TTL Levels)
Input LOW level
VIL
0.8
Input HIGH level
VIH
2.0
Output LOW
VOL
IOL = 1mA
DGND + 0.3V
Output HIGH
VOH
IOH = 1mA
DVDD – 0.3V
Analogue Reference Levels
Reference voltage
VMID
(VREFP -
VREFN)/2 -
50mV
(VREFP -
VREFN)/2
(VREFP -
VREFN)/2 +
50mV
Potential divider resistance
RVMID
10k
DAC Output (Load = 10kΩ 50pF)
0dBFs Full scale output voltage
At DAC outputs
1.1 x
AVDD/5
SNR (Note 1,2,3)
A-weighted,
100
106
@ fs = 48kHz
SNR (Note 1,2,3)
A-weighted
106
@ fs = 96kHz
SNR (Note 1,2,3)
A-weighted
106
@ fs = 192kHz
SNR (Note 1,2,3)
A-weighted,
102
@ fs = 48kHz
AVDD, DVDD = 3.3V
SNR (Note 1,2,3)
A-weighted
102
@ fs = 96kHz
AVDD, DVDD = 3.3V
SNR (Note 1,2,3)
Non ‘A’ weighted @ fs
103
= 48kHz
THD (Note 1,2,3)
1kHz, 0dBFs
-97
THD+N (Dynamic range, Note 2)
1kHz, -60dBFs
100
106
DAC channel separation
100
UNIT
V
V
V
V
V
Ω
Vrms
dB
dB
dB
dB
dB
dB
dB
dB
dB
w
PD Rev 4.2 April 2004
6
Share Link: 