Datasheet

© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA801 • Rev. 1.0.3 7
FSA801 — USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability
Switch Path AC Electrical Characteristics
(4)
All typical value are for V
CC
=3.8 V at 25°C unless otherwise specified.
Symbol Parameter
V
CC
(V)
Conditions
T
A
= -40 to +85°C
Unit Figure
Min. Typ. Max.
Xtalk
Active Channel
Crosstalk
DP_CON to
DM_CON
Audio Mode 3.8
f=20 kHz, R
T
=32 Ω,
C
L
=0 pF
-95
dB Figure 9
USB Mode 3.8
f=1 MHz, R
T
=50 Ω,
C
L
=0 pF
-78
f=240 MHz, R
T
=50 Ω,
C
L
=0 pF
-36
Active Channel
Crosstalk MIC
MIC on VBUS to
R_HOST, L_HOST
3.8
f=20 kHz, R
T
=32 Ω,
C
L
=0 pF
-93
MIC on DP_CON to
L_HOST
3.8
f=20 kHz, R
T
=32 Ω,
C
L
=0 pF
-105
O
IRR
Off Isolation
Rejection Ratio
Audio Rejection
L_HOST to DM_CON,
R_HOST to DP_CON
3.8
f=20 kHz, R
T
=32 Ω,
C
L
=0 pF
-100
dB Figure 8
MIC Rejection
MIC_HOST to
DP_CON
3.8
f=20 kHz, R
T
=50Ω,
C
L
=0pF
-110
MIC Rejection
MIC_HOST to VBUS
3.8
f=20 kHz, R
T
=50 Ω,
C
L
=0 pF
-110
USB Rejection
DM_HOST to
DM_CON, DP_HOST
to DP_CON
3.8
f=1 MHz, R
T
=50 Ω,
C
L
=0 pF
-85
f=240 MHz, R
T
=50 Ω,
C
L
=0 pF
-35
PSRR
Power Supply Rejection Ratio
MIC on VBUS or MIC on DP_CON, to
VCC or GND
3.8
Power Supply Noise
300Mv
PP
, f=217Hz
-110 dB
THD+N
Total Harmonic Distortion + Noise
(Audio Path)
3.8
20 Hz to 20 kHz,
R
L
=16 Ω, Input Signal
Range 1.6 V
PP
0.10 % Figure 13
20 Hz to 20 kHz,
R
L
=32 Ω, Input Signal
Range 1.6 V
PP
0.07 % Figure 13
t
CDR
Charger Detection Reset Time: Minimum
time in Selected State to Reset Charger
Detection State Machine.
3.8 SEL[2:0]=’111’ 30
μs
t
CDL
Charger Detection Start Time: Minimum
Time in Selected State to Start Charger
Detection sequence
3.8 SEL[2:0]=’000’ 30
μs
Note:
4. Guaranteed by characterization, not production tested.
Capacitance
Symbol Parameter V
CC
(V) Conditions
T
A
= -40 to +85°C
Unit Figure
Typ. Max.
C
IN
Select Pins Capacitance
(5)
0 V
BIAS
=0.2 V 2.5 pF Figure 11
C
OFF(D+, D-)
D+, D- On Capacitance (HS USB Mode)
(5)
3.8 V
BIAS
=0.2 V, f=1 MHz 4.7 pF Figure 11
C
ON(D+, D-)
D+, D- On Capacitance (HS USB Mode)
(5)
3.8 V
BIAS
=0.2 V, f=1 MHz 7.6 pF Figure 12
Note:
5. Guaranteed by characterization, not production tested.