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参数资料
| 型号： | FSA8049UCX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO JACK DETECT SW 9-WLCSP |
| 标准包装： | 1 |
| 类型： | 音频插孔探测器和配置开关 |
| 应用： | MP3 播放器，便携式媒体播放器 |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | 标准包装 |
| 其它名称： | FSA8049UCXFSDKR |
2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA8049 Rev. 1.0.2
5
FSA8049
—
Audio
Jack
Detect
ion
and
Confi
guration,
MIC/GND
Cr
oss
point
Switch
AC Electrical Characteristics
All typical values are at TA=25°C unless otherwise specified.
Symbol
Parameter
VDD (V)
Condition
TA = -40 to +85°C
Unit
Min.
Typ.
Max.
MIC Switch
THD
Total Harmonic Distortion
(5)
3.8
RT=600 , VSW=0.5 VPP,
f=20 Hz to 20 kHz,
VIN=1.8 V and 2.2 V
(Figure 4)
0.002
%
OIRR
Off Isolation
(5)
3.8
f=20 kHz, RS=32 ,
CL=0 pF, RT=32
(Figure 5)
-108
dB
f=20 KHz, RS=600 ,
CL=0 pF, RT=600
(Figure 5)
-85
Parallel I/O
tON-GNDA
Switch Turn-On Time (MIC & GND
Switch), Measure 10/90
3.8
CEXT=Float
RL=10 k, CL=10 pF
200
s
CEXT=0.1 F
RL=10 k, CL=10 pF
140
ms
tOFF-GNDA
Switch Turn-Off Time (MIC & GND
Switch), Measure 10/90
3.8
CEXT=Float
RL=10 k, CL=10 pF
20
s
CEXT=0.1 F
RL=10 k, CL=1 0pF
6
ms
tOFF-MIC
Switch Turn-Off Time (MIC
Switch), Measure 10/90
3.8
RL=10 k, CL=10 pF
100
ns
tON-DET
Detection Circuit NMOS On time
2.7 to 4.4
20
s
tOFF-DET
Detection Circuit NMOS OFF time
2.7 to 4.4
20
s
tDET
Detection Time of Audio Jack
GND and MIC Terminals
(6)
2.7 to 4.4 EN=1
50
ms
tEN
Enable / Disable Time
2.7 to 4.4 EN=01, EN=10
15
s
Power
PSRR
Power Supply Rejection Ratio
(5)
3.8
Power Supply Noise
300mVPP, Measured
10/90%, f=217 Hz Square
Wave
-89
dB
Notes:
5.
Guaranteed by characterization.
6.
Detection time may be longer if there is noise in the system or a poor audio jack connection.
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