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WM8608 bảng dữ liệu(PDF) 7 Page - Wolfson Microelectronics plc

tên linh kiện WM8608
Giải thích chi tiết về linh kiện  5 TO 7.1 CHANNEL PWM CONTROLLER
PDF  54 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
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WM8608 bảng dữ liệu(HTML) 7 Page - Wolfson Microelectronics plc

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Product Preview
WM8608
w
PP Rev 1.5 March 2004
7
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, BVDD, DVDD = 2.7 to 3.3V, AGND, DGND, BGND = 0V, TA = -20 to +85
oC, fs = 44.1kHz/48kHz, MCLK = 256fs unless
stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input capacitance
Ci
3
4
pF
Input leakage
Ileak
±0.1
±0.5
µA
Oscillator
Input XIN LOW level
VXIL
0
0.44
V
Input XIN HIGH level
VXIH
0.77
AVDD
V
Input XIN capacitance
CXI
4
5
pF
Input XIN leakage
IXleak
0.10
0.11
0.13
mA
Output XOP LOW
VXOL
15pF load capacitors
0.1
0.4
0.5
V
Output XOP HIGH
VXOH
15pF load capacitors
1.2
1.3
1.4
V
Digital Logic Levels (CMOS Levels)
Input LOW level
VIL
0.3 x DVDD
V
Input HIGH level
VIH
0.7 x DVDD
V
Pull-up/pull-down resistance
100
200
400
kΩ
Output LOW
VOL
IOL=+1mA
0.1 x DVDD
V
Output HIGH
VOH
IOL=-1mA
0.9 x DVDD
V
Digital Logic Levels (LVDS Levels)
Output differential voltage
VOD
RT=100
Ω
200
350
500
mV
Offset voltage
VOS
RT=100
Ω
0.95
1.25
1.4
V
Termination load
RT
20pF load
100
Ω
PCM to PWM converter
Digital SNR
FL, FR, FC, SL, SR, RC
105
dB
Typical SNR with output stage
(A-weighted)
FL, FR, FC, SL, SR, RC
100
dB
Typical Dynamic Range with
output stage
FL, FR, FC, SL, SR, RC
100
dB
Digital THD+N at 0dBfs
FL, FR, FC, SL, SR, RC
0.001
%
Typical THD+N at 30Watt with
output stage
FL, FR, FC, SL, SR, RC
0.1
%
Typical THD+N at 1Watt with
typical output stage
FL, FR, FC, SL, SR, RC
0.01
%
Typical IMD (CCIF – 19/20kHz)
FL, FR, FC, SL, SR, RC
-70
dBFS
Typical IMD (SMPTE –
60Hz/7kHz)
FL, FR, FC, SL, SR, RC
-70
dBFS
PCM to PWM converter
Digital SNR
Subwoofer
5
105
dB
Typical SNR with output stage
(A-weighted)
Subwoofer
5
100
dB
Typical Dynamic Range with
output stage
Subwoofer
5
100
dB
Digital THD+N at 0dBfs
Subwoofer
5
0.001
%
Typical THD+N at 30Watt with
output stage
Subwoofer
5
0.1
%
Typical THD+N at 1Watt with
typical output stage
Subwoofer
5
0.01
%
Typical IMD (CCIF – 19/20kHz)
Subwoofer
5
-70
dBFS
Typical IMD (SMPTE –
60Hz/7kHz)
Subwoofer
5
-70
dBFS



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