FSA4480
www.onsemi.com
9
Table 5. AC ELECTRICAL CHARACTERISTICS
(V
CC
= 2.7 V to 5.5 V, V
CC
(Typ.) = 3.3 V, T
A
= −40°C to 85°C, and T
A
(Typ.) = 25°C, unless otherwise specified.
)
Symbol Parameter Condition Power Min. Typ. Max. Unit
AUDIO SWITCH
t
delay
Audio Switch Turn On Delay Time DP_R = DN_L = 1 V,
R
L
= 32 W
V
CC
= 3.3 V
− 65 −
ms
t
rise
Audio Switch Turn On Rising Time
(Note 1)
DP_R = DN_L = 1 V,
R
L
= 32 W
−
240
−
ms
t
OFF
Audio Switch Turn Off Time DP_R = DN_L = 1 V,
R
L
= 32 W
− 15 −
ms
X
TALK
Cross Talk (Adjacent)
f = 1 kHz, R
L
= 50 W,
V
SW
= 1 V
RMS
−
−100
− dB
BW −3 dB Bandwidth
R
L
= 50 W
−
600
− MHz
O
IRR
Off Isolation
F = 1 kHz, RL = 50 W,
C
L = 0 pF, VSW = 1 VRMS
− −100 − dB
THD+N Total Harmonic Distortion + Noise
Performance with A−weighting Filter
R
L
= 600 W, f = 20 Hz~20 kHz,
V
SW
= 2 V
RMS
− −110 − dB
R
L
= 32 W, f = 20 Hz~20 kHz,
V
SW
= 1 V
RMS
− −110 − dB
R
L
= 16 W, f = 20 Hz~20 kHz,
V
SW
= 0.5 V
RMS
− −108 − dB
USB SWITCH
t
ON
USB Switch Turn−on Time DP_R = DN_L = 1.5 V,
R
L
= 50 W
V
CC
= 3.3 V
− 60 −
ms
t
OFF
USB Switch Turn −off Time DP_R = DN_L = 1.5 V,
R
L
= 50 W
− 15 −
ms
BW
−3 dB Bandwidth R
L
= 50 W − 850 −
MHz
SDD
21
−3 dB Bandwidth − 950 −
O
IRR
Off Isolation between DP, DN and Com-
mon Node Pins
f = 1 kHz, RL = 50 W, CL = 0 pF,
VSW = 1 VRMS
− −100 − dB
t
OVP
DP_R and DN_L pins OVP Response
Time
Vsw = 3.5 V to 5.5 V − 1 1.5
ms
MIC/AUDIO GROUND SWITCH
t
delay_MIC
MIC Switch Turn On Delay Time SBUx = 1 V, R
L
= 50 W
V
CC
= 3.3 V
− 100 − ms
t
rise_MIC
MIC Switch Turn On Rising Time
(Note 1)
−
250
−
t
delay_AGND
AGND Switch Turn On Time
SBUx pulled up to 0.5 V by
16 W, AGND connect to GND
V
CC
= 3.3 V
− 100 − ms
t
rise_AGND
AGND Switch Turn On Rising Time
(Note 1)
−
1500
−
t
OFF_MIC
MIC Switch Turn Off Time
SBUx = 2.5 V, R
L
= 50 W
− 15 −
t
OFF_Audio
GND
AGND Switch Turn Off Time SBUx: Isource = 10 mA,
clamp to 2.5 V
− 15 −
BW MIC Switch Bandwidth
R
L
= 50 W
− 50 − MHz