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WM8595 bảng dữ liệu(PDF) 8 Page - Wolfson Microelectronics plc

tên linh kiện WM8595
Giải thích chi tiết về linh kiện  24-bit 192kHz 2Vrms Multi-Channel CODEC
PDF  82 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8595 bảng dữ liệu(HTML) 8 Page - Wolfson Microelectronics plc

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WM8595
Production Data
w
PD, Rev 4.2, January 2011
8
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, TA=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital logic levels
Input low level
VIL
0.3xDVDD
V
Input high level
VIH
0.7xDVDD
V
Output low level
VOL
0.1 x DVDD
V
Output high level
VOH
0.9 x DVDD
V
Digital input leakage current
±0.2
μA
Digital input capacitance
5
pF
Analogue Reference Levels
ADC Midrail Voltage
VMID1C
AVDD1/2
V
ADC Buffered Positive
Reference Voltage
VREF1C
VMID1C
V
DAC Midrail Voltage
VMID2C
VREF2VDD/2
V
Potential divider resistance
AVDD1 to VMID1C
VMID1C to AGND1
100
kΩ
VREF2VDD to VMID2C
VMID2C to VREF2GND
VMID_SEL[1:0] = 01
19
(Note 2)
kΩ
Analogue Line Outputs
Output signal level (0dB)
-10%
2.0x
AVDD1/3.3
+10%
Vrms
Maximum capacitance load
11
nF
Minimum resistance load
1
kΩ
Analogue Inputs
Input signal level (0dB)
2.0 x
AVDD1/3.3
Vrms
Input impedance
48
k
Ω
Input capacitance
5
pF
DAC Performance (DAC1 to LINEOUT1L/R, DAC2 to LINEOUT2L/R)
Signal to Noise Ratio1,5
SNR
A-weighted
@ fs = 48kHz
90
100
dB
A-weighted
@ fs = 96kHz
100
dB
A-weighted
@ fs = 192kHz
100
dB
Dynamic Range2,5
DNR
A-weighted, -60dB full
scale input
90
100
dB
Total Harmonic Distortion3,5
THD
1kHz, 0dBFS
@ fs = 48kHz
-87
-80
dB
1kHz, 0dBFS
@ fs = 96kHz
-86
dB
1kHz, 0dBFS
@ fs = 192kHz
-85
dB
Channel Separation4,5
1kHz
110
dB
Channel Level Matching
0.1
dB
Channel Phase Deviation
1kHz
0.01
Degree
Power supply rejection ratio
PSRR
1kHz, 100mVpp
50
dB
20Hz to 20kHz,
100mVpp
45
dB



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