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WM8945ECS/R датащи(PDF) 11 Page - Wolfson Microelectronics plc

номер детали WM8945ECS/R
подробное описание детали  Mono Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  169 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8945ECS/R датащи(HTML) 11 Page - Wolfson Microelectronics plc

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Production Data
WM8945
w
PD, May 2011, Rev 4.1
11
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Bypass to Line Output (IN2L to Input PGA to Line Output, 10k
 / 50pF)
SNR (A-weighted)
PGA Gain = 0dB
INPPGAVOL = 0dB
90
98
dB
THD+N
PGA Gain = 0dB
INPPGAVOL = 0dB
-89.5
-82
dB
Bypass to Speaker Output (single-ended AUX1, AUX2 to Input PGA to SPKMIX to Speaker Output, 10k
 / 50pF)
SNR (A-weighted)
PGA Gain = 0dB
INPPGAVOL = 0dB
90
96
dB
THD+N
PGA Gain = 0dB
INPPGAVOL = 0dB
-86.5
-77
dB
DAC Output Path Performance (DAC to Line Output, 10k
 / 50pF)
Maximum output signal
level (changes in
proportion to LDOVOUT)
1
Vrms
SNR (A-weighted)
85
96
dB
THD
-80
-72
dB
THD+N
-78
-70
dB
Mute attenuation
125
dB
PSRR (with respect to
LDOVDD)
217Hz
1kHz
48
60
dB
Line Output Resistance
10
k
Line Output Capacitance
50
pF
DAC Output Path Performance (DAC to Speaker Output, 10k
 / 50pF)
Maximum output signal
level (changes in
proportion to LDOVOUT)
1
Vrms
SNR (A-weighted)
96
dB
THD
-78
dB
THD+N
-76
dB
Speaker Output Performance (Speaker Output, 8
 BTL)
SNR (A-weighted)
90
96
dB
THD
PO=150mW
0.03
-68
%
dB
PO=350mW
2.944
30.6
%
dB
THD+N
PO=150mW
0.05
-66
%
dB
PO=350mW
3.72
-28.6
%
dB
Mute attenuation
92
dB
PSRR (with respect to
LDOVDD)
217Hz
1kHz
48
60
dB
PSRR (with respect to
SPKVDD)
217Hz
1kHz
89
79
dB
Speaker Resistance
8
Speaker Capacitance
50
pF



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