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WM8746SEDS/R Datasheet(PDF) 6 Page - Wolfson Microelectronics plc

No. de pieza WM8746SEDS/R
Descripción Electrónicos  24-bit, 192kHz 6-Channel DAC with Volume Control
PDF  32 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8746SEDS/R Datasheet(HTML) 6 Page - Wolfson Microelectronics plc

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WM8746
Production Data
w
March 2006, PD Rev 4.0
6
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
3.0
5.5
V
Analogue supply range
AVDD1, AVDD2
3.0
5.5
V
Ground
AGND, GR0,GR1, DGND
0
V
Difference DGND to AGND
-0.3
0
+0.3
V
Analogue supply current
AVDD = 5V
58
mA
Digital supply current
DVDD = 5V
22
mA
Analogue supply current
AVDD = 3.3V
57
mA
Digital supply current
DVDD = 3.3V
11
mA
Analogue supply current
Power down, stop clock
0.4
mA
Digital supply current
Power down, stop clock
0.09
mA
Note:
1.
The digital supply voltages must not exceed the analogue supply voltages.
AC ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD = DVDD = 5V, AGND = 0V = DGND = 0V, TA = +25
oC, fs = 48kHz, SCKI = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Logic Levels (TTL Levels)
Input LOW level
VIL
0.8
V
Input HIGH level
VIH
2.0
V
Output LOW
VOL
IOL = 2mA
0.4
V
Output HIGH
VOH
IOH = 2mA
2.4
V
Analogue Reference Levels
Reference voltage
VCAP
(AVDD2-
GR2)/2
V
Potential divider resistance
RCAP
25k
Ω
DAC Output (Load = 10kΩ 50pF)
0dBFs Full scale output voltage
At DAC outputs
1.1 x
AVDD1/5
Vrms
SNR (Note 1,2,3)
A-weighted,
@ fs = 48kHz
100
106
dB
SNR (Note 1,2,3)
A-weighted
@ fs = 96kHz
105
dB
SNR (Note 1,2,3)
A-weighted
@ fs = 192kHz
105
dB
SNR (Note 1,2,3)
A-weighted,
@ fs = 48kHz
AVDD=DVDD=3.3V
103
dB
SNR (Note 1,2,3)
A-weighted
@ fs = 96kHz
AVDD=DVDD=3.3V
103
dB
SNR (Note 1,2,3)
Non ‘A’ weighted @ fs
= 48kHz
AVDD=DVDD=5V
103
dB
THD (Note 1,2,3)
1kHz, 0dBFs
-95
dB
THD+N (Dynamic range, Note 2)
1kHz, -60dBFs
-100
-106
dB
DAC channel separation
100
dB



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