Datasheet
© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA801 • Rev. 1.0.3 6
FSA801 — USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability
Switch Path DC Electrical Characteristics
All typical values are at 25°C unless otherwise specified.
Symbol Parameter V
CC
(V) Conditions
T
A
= -40 to +85°C
Unit
Min. Typ. Max.
Host Interface Pins (SEL[2:0])
V
IH
Input High Voltage 3.2 to 4.4 1.3
V
V
IL
Input Low Voltage 3.2 to 4.4 0.7
V
I
IN
Control Input Leakage 0 to 4.4 V
SW
=0 to V
CC
-1 1
µA
I
OZ
Off State Leakage 4.4
0 ≤ DP_CON, DM_CON,
DP_HOSTn, DM_HOSTn,
R_HOST, L_HOST ≤ 3.6
V
-2 2
µA
Charger Detect Pin (CD_N)
V
OL
Output Low Voltage 3.2 to 4.4
I
OL
=10 mA
0.4
V
V
BUS
Pin
V
BUSTH
Charger Detect Threshold 3.2 to 4.4 3.3
V
I
BUSIN
V
BUS
Input Leakage 0 to 4.4 2 10
µA
Switch Off Characteristics
I
OFF
Power Off Leakage Current 0
All Ports Except MIC & Audio Path
V
SW
=0 V to 4.4 V,
Figure 7
10
µA
USB Switch On Paths
R
ONUSB
HS USB Range Switch On
Resistance
3.2 to 4.4
V
DP_CON/DM_CON
=0 V, 0.4 V,
I
ON
=8 mA, Figure 6
6 9
Ω
R
ONUART
UART Range Switch On
Resistance
3.2 to 4.4
V
DP_CON/DM_CON
=0 V, 3.2 V,
I
ON
=8 mA, Figure 6
8
Ω
Audio R/L Switch On Paths
R
ONAUD
Audio Switch On Resistance 3.2 to 4.4
V
L/R
=-0.8 V, 0.8 V, I
ON
=30 mA,
Figure 6
3
Ω
R
FLAT
Audio R
ON
Flatness
(3)
3.8 0.16
Ω
R
TERM
Internal Termination Resistors 1
kΩ
MIC Switch On Path
R
ONMIC
Switch On Resistance 3.2 to 4.4
SEL[2:0]=100 (MIC to DP_CON),
V
SW
=0 V, 1.6 V, I
ON
=8 mA,
Figure 6
15
Ω
SEL[2:0]=101 (MIC to VBUS),
V
SW
=0 V, 1.6 V, I
ON
=8 mA,
Figure 6
28
Ω
Total Switch Current Consumption
I
CCSL
Battery Supply Sleep Mode
Average Current
3.2 to 4.4
Static Current During Sleep Mode
(SEL[2:0]=0)
1
µA
I
CCWK
Battery Supply Active Mode
Average Current
3.2 to 4.4
USB/UART Mode 20 35
µA
Audio Mode
(SEL[2:0]=011), V
BUS
=0 V
1
µA
Audio Mode
(SEL[2:0]=100, 101)
20 35
µA
I
CCSELT
Increase in I
CCSL
/I
CCWK
Current
per Control Voltage and V
CC
3.2 to 4.4
V
SEL
= 2.8 V and V
CC
= 4.4 V 8
µA
V
SEL
= 1.8 V and V
CC
= 4.4 V 10
µA
Note:
3. Flatness is defined as the difference between the maximum and minimum values of on resistance over the
specified range of conditions.