参数资料
| 型号： | FSA321UMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH MULTIMEDIA 10-UMLP |
| 标准包装： | 5,000 |
| 功能： | 音频，USB 开关 |
| 电路： | 1 x DPDT |
| 导通状态电阻： | 11 欧姆（USB），2.7 欧姆（音频） |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 4.3 V |
| 电流 - 电源： | 500µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-UFQFN |
| 供应商设备封装： | 10-uMLP（1.4x1.8） |
| 包装： | 带卷 (TR) |
2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA321
Rev.1.0.6
5
FS
A3
2
1
—
US
B2
.0
Hi
-Spe
ed
and
Aud
io
Swi
tches
wi
th
Ne
gative
Signal
Ca
pab
il
it
y
DC Electrical Characteristics
All typical values are at 25C unless otherwise specified.
Symbol
Parameter
VCC (V)
Conditions
TA = - 40 to +85°C
Unit
Min.
Typ.
Max.
Common Pins
VIK
Clamp Diode Voltage
1.8 to 4.3 IIK = -18mA
-1.2
V
VIH
Control Input Voltage HIGH
1.8 to 2.7
1.0
2.7 to 4.3
1.2
VIL
Control Input Voltage LOW
1.8 to 2.7
0.3
2.7 to 4.3
0.5
IIN
USB Sel and A/LP Sel Input
Current
1.8 to 4.3
VIN = 0V
-1
1
A
VIN = 5.5V
-1
10
IOFF
Power Off Leakage Current
0
D+/R, D-/L Common Ports,
VSW = 0V to 5.5V,
All other Pins = 0V
25
A
RPD
A/LP Sel and USB Sel Internal
Pull-Down Resistors
1.8 to 4.3
3
M
RT
Audio Path Termination
Resistors
1.8 to 4.3
200
USB Switch Path
USB Analog Signal Range
1.8 to 4.3
0
4.3
V
RONUSB
HS Switch On Resistance
1.8 to 4.3 VD+/D- = 0V, 0.4V, ION = 8mA
8
11
1.8 to 4.3 VD+/D- = 0V, ION = 8mA
0.4
Audio Switch Path
Audio Analog Signal Range
1.8 to 4.3
VCC-
4.3V
VCC
V
RONAudio
Audio Switch On Resistance
2.7
VL/R = -1.0V, 0V, 1.0V
ION = 60mA
1.8
2.7
2.7 to 4.3 VL/R = 0.7V ION = 60mA
0.4
2.7 to 4.3 ION = 60mA
0.8
1.5
Total Switch Current Consumption
ICC
USB Active Mode Supply Current 1.8 to 4.3
A/LP Sel = LOW,
USB Sel= HIGH, IOUT = 0
0.5
0.8
mA
ICC_LPM
USB Low Power Mode or Audio
Mode Quiescent Supply Current
1.8 to 4.3
A/LP Sel = HIGH,
VCC = 1.8-4.3V
10
15
A
ICCT
Increase in ICC current per
control voltage and VCC LOW
POWER Mode A/LP Sel HIGH
4.3
VUSB Sel = 2.6V
10
15
A
VUSB Sel = 1.8V
15
20
Increase in ICC current per
control voltage and VCC
ACTIVE Mode A/LP Sel LOW
VUSB Sel = 2.6V
0.6
0.9
mA
VUSB Sel = 1.8V
0.65
1.00
Notes:
4.
On resistance is determined by the voltage drop between the A and B pins at the indicated current through the switch.
5.
RON = RON max – RON min measured at identical VCC, temperature, and voltage. Worst-case signal path, audio or
USB channel, is characterized.
6.
Guaranteed by characterization, not production tested.
7.
Flatness is defined as the difference between the maximum and minimum values of on resistance over the
specified range of conditions.
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