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WM8726 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc

Part # WM8726
Description  24-bit 192kHz Stereo DAC
PDF  20 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8726 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc

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



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