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WM8711SEDS/R 数据表(PDF) 7 Page - Wolfson Microelectronics plc

部件名 WM8711SEDS/R
功能描述  Internet Audio DAC with Integrated Headphone Amplifier
PDF  47 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8711SEDS/R 数据表(HTML) 7 Page - Wolfson Microelectronics plc

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Production Data
WM8711 / WM8711L
w
PD Rev 4.3 September 2006
7
ELECTRICAL CHARACTERISTICS – WM8711
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25
oC, Slave Mode, fs = 48kHz, MCLK = 256fs
unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Logic Levels (CMOS Levels)
Input LOW level
VIL
0.3 x DBVDD
V
Input HIGH level
VIH
0.7 x DBVDD
V
Output LOW
VOL
IOL = 1mA
0.10 x
DBVDD
V
Output HIGH
VOH
IOH = -1mA
0.9 x DBVDD
V
Power On Reset Threshold (DCVDD)
DCVDD Threshold On -> Off
0.9
V
Hysteresis
0.3
V
DCVDD Threshold Off -> On
0.6
V
Analogue Reference Levels
Reference voltage (VMID)
VVMID
AVDD/2
V
Potential divider resistance
RVMID
50k
Ω
Line Output for DAC Playback Only (Load = 10K
Ω
Ω
Ω
Ω. 50pF)
0dBFs Full scale output voltage
At LINE outputs
1.0 x
AVDD/3.3
Vrms
A-weighted,
@ fs = 48kHz
95
100
A-weighted
@ fs = 96kHz
100
Signal to Noise Ratio
(Note 1,2)
SNR
A-weighted,
@ fs = 48kHz, AVDD
= 2.7V
98
dB
Dynamic Range (Note 2)
DR
A-weighted, -60dB
full scale input
85
100
dB
1kHz, 0dBFs
-86
-80
Total Harmonic Distortion
THD
1kHz, -3dBFs
-90
dB
1kHz 100mVpp
50
Power Supply Rejection Ratio
PSRR
20Hz to 20kHz
100mVpp
45
dB
DAC channel separation
1kHz, 0dB signal
100
dB
Analogue Line Input to Line Output (Load = 10k
Ω
Ω
Ω
Ω. 50pF, No Gain on Input ) Bypass Mode
0dB Full scale output voltage
1.0 x
AVDD/3.3
Vrms
Signal to Noise Ratio
(Note 1,2)
SNR
90
101
dB
Total Harmonic Distortion
THD
1kHz, 0dB
-93
-85
dB



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