WM8948 データシートの表示（PDF） - Wolfson Microelectronics plc
部品番号
コンポーネント説明
一致するリスト
WM8948
Wolfson Microelectronics plc
WM8948 Datasheet PDF : 189 Pages
| |||
Production Data
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
Bypass to Line Output (Single-ended IN2L, IN2R to Input PGA to Line Output, 10kΩ / 50pF)
SNR (A-weighted)
PGA Gain = 0dB
90
98
INPPGAVOL = 0dB
THD+N
PGA Gain = 0dB
-89.5
INPPGAVOL = 0dB
WM8948
MAX
UNIT
dB
-82
dB
Bypass to Speaker Output (Single-ended AUX1, AUX2 to Input PGA to SPKMIX to Speaker Output, 10kΩ / 50pF)
SNR (A-weighted)
PGA Gain = 0dB
90
96
dB
INPPGAVOL = 0dB
THD+N
PGA Gain = 0dB
-86.5
-77
dB
INPPGAVOL = 0dB
DAC Output Path Performance (DAC to Line Output, 10kΩ / 50pF)
Maximum output signal
level (changes in
proportion to LDOVOUT)
SNR (A-weighted)
THD
THD+N
Channel separation
(Left/Right)
Mute attenuation
PSRR (with respect to
LDOVDD)
217Hz
1kHz
Line Output Resistance
Line Output Capacitance
1
Vrms
85
96
dB
-78
-72
dB
-76
-70
dB
90
dB
125
dB
48
dB
60
10
kΩ
50
pF
DAC Output Path Performance (DAC to Speaker Output, 10kΩ / 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, 8Ω BTL)
SNR (A-weighted)
THD
PO=150mW
PO=350mW
THD+N
PO=150mW
PO=350mW
Channel separation
(Left/Right)
Mute attenuation
PSRR (with respect to
LDOVDD)
PSRR (with respect to
SPKVDD)
Speaker Resistance
Speaker Capacitance
217Hz
1kHz
217Hz
1kHz
90
96
dB
0.03
%
-68
dB
2.944
%
-30.6
dB
0.05
%
-66
dB
3.72
%
-28.6
dB
90
dB
92
dB
48
dB
60
89
dB
79
8
Ω
50
pF
w
PD, May 2011, Rev 4.1
11
Share Link: