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STW5098 数据表(PDF) 65 Page - STMicroelectronics

部件名 STW5098
功能描述  Dual low power asynchronous stereo audio Codec with integrated power amplifiers
PDF  86 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STW5098 数据表(HTML) 65 Page - STMicroelectronics

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Electrical characteristics
STw5098
64/85
10.4
Headset plug-in and push-button detector
Information below is for each entity.
10.5
Microphone bias
Information below is for each entity.
10.6
Power supply rejection ratio
Table 42.
Headset plug-in and push-button detector specifications
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
HDVL
Plug-in detected
Voltage at HDET
VCCA-1
V
HDVH
Plug-in undetected
Voltage at HDET
VCCA-0.5
V
HDH
Plug-in detector hysteresis
100
mV
PBVL
Push-button pressed
Voltage at HDET
0.5
V
PBVH
Push-button released
Voltage at HDET
1
V
PBD
Push-button de-bounce
time
15
50
ms
Table 43.
Microphone bias specifications
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VMBIAS
MBIAS output
voltage
1.95
2.1
2.25
V
IMBIAS
MBIAS output
current
From MBIAS to ground
1.1
mA
RMBIAS
MBIAS output load
3.5
k
Ω
CMBIAS
MBIAS output
capacitance
150
pF
PSRMB4
PSRMB20
MBIAS power
supply rejection
f<4kHz
f<20kHz
60
50
dB
dB
Table 44.
Power supply rejection ratio specifications
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
PSRL20
PSRL200
PSRR VCCLS
Each output (LSP, LSN)
f<20kHz
f<200kHz
65
47
dB
dB
PSRPH
PSRPOS
PSRPOD
PSRR VCCP
Headphones f<20kHz
Line out single ended f<20kHz
Line out differential f<20kHz
65
65
65
dB
dB
dB
PSRAM
PSRAL
PSRR VCCA
Mic input f<20kHz
Line In f<20kHz
50
50
dB
dB



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