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WM8759GED/RV データシート(PDF) 6 Page - Wolfson Microelectronics plc

部品番号 WM8759GED/RV
部品情報  24-bit 192kHz Stereo DAC with Headphone Buffer
PDF  20 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8759GED/RV データシート(HTML) 6 Page - Wolfson Microelectronics plc

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WM8759
Pre-Production
w
PP Rev 3.1 June 2006
6
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Supply range
AVDD, DVDD
2.7
5.5
V
Ground
AGND, DGND
0
V
Analog supply current
AVDD = 5V
12
mA
AVDD = 3.3V
Digital supply current
DVDD = 5V
8
mA
DVDD = 3.3V
4
Power down current (note 4)
AVDD=DVDD=5V
0.01
mA
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD = 5V, DVDD = 3.3V, 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
DGND + 0.3V
V
Output HIGH
VOH
IOH = 2mA
DVDD – 0.3V
V
Analogue Reference Levels
Reference voltage (CAP)
AVDD/2
V
Potential divider resistance
RCAP
AVDD 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
AVDD/5
Vrms
SNR (Note 5,6,7)
A-weighted,
@ fs = 48kHz
94
100
dB
SNR (Note 5,6,7)
A-weighted
@ fs = 96kHz
97
dB
SNR (Note 5,6,7)
A-weighted
@ fs = 192kHz
97
dB
SNR (Note 5,6,7)
A-weighted,
@ fs = 48kHz
VDD = 3.3V
95
dB
SNR (Note 5,6,7)
A-weighted
@ fs = 96kHz
VDD = 3.3V
95
dB
SNR (Note 5,6,7)
Non ‘A’ weighted @ fs
= 48kHz
97
dB
THD+N (Note 7)
10k load
1kHz, 0dBFs
-88
dB
THD+N driving headphone
16R load
1kHz, 0dBFs
-72
dB
DAC channel separation
93
dB



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