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Pericom Semiconductor Corporation

PI3USB411 Datasheet Preview

PI3USB411 Datasheet

USB 2.0 High-Speed Signal Switch w/ Low THD Channels

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Features
• Bandwidth for USB ports > 1.2Gbps
• Low THD for Audio ports < 0.02%
• ESD > 2kV HBM
• Low ICC = 800µA
• Wide VCC operating range: 2.7V to 4.2V ±10%
• Packaging: Pb-free & Green, 16-contact TDFN (ZJ16)
Block Diagram
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PI3USB411
3.3V, USB 2.0 High-Speed Signal Switch
w/ Low THD Channels for Audio Signals
Description
PI3USB411 integrates two unique Pericom technology solutions
into a single IC package. PI3USB411 offers the customer a
solution that switches both high speed differential signals, with
high bandwidth performance, as well as low THD audio signals.
For handheld applications where both a USB data transfer port
and a port for an external headset is required, the PI3USB411
solution can offer the ability to combine the two ports into one.
With a single port, design engineers are faced with an issue of
switching two completely different types of signals. One signal
is a high speed differential signal, where bandwidth is the largest
concern, and the second signal is an audio signal, where low THD
is the largest concern. Pericom’s solution offers multiple channels
within the PI3USB411 device. Two channels are targeted for high
speed USB2.0 signals (Dx), and two channels are targeted for low
THD audio signals (Ax). Due to its passive nature, all paths will
allow bi-directional traffic.
Pin Description
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Truth Table
USB_EN
0
1
A_ENx
0
1
Note: x = 1, 2
06-0078
Function
DI = DO
DI = DO = Hi-Z
Function
Ainx = Aoutx
Ainx = Aoutx = Hi-Z
1
PS8817A
06/06/06




Pericom Semiconductor Corporation

PI3USB411 Datasheet Preview

PI3USB411 Datasheet

USB 2.0 High-Speed Signal Switch w/ Low THD Channels

No Preview Available !

PI3USB411
3.3V, USB 2.0 High-Speed Signal Switch
with Low THD Channels for Audio Signals
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ......................................... –65°C to +150°C
Supply Voltage to Ground Potential .................... –0.5V to +4.4V
DC Input Voltage ................................................. –0.5V to +5.5V
DC Output Current ........................................................... 120mA
Power Dissipation ................................................................ 0.5W
Note: Stresses greater than those listed under MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or any other
conditions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
DC Electrical Characteristics for USB 2.0 Switching over Operating Range
(only related to pins 1, 2, 4, 14, 15)
(TA = –40°C to +85°C, VCC = 3.3V ±10%)
Paramenter
Description
Test Conditions (1)
Min.
VIH Input HIGH Voltage
Guaranteed HIGH level VCC = 4.2V
VCC = 3.3V
2.0
1.6
VIL Input LOW Voltage
Guaranteed HIGH level
VIK
Clamp Diode Voltage
VCC = Max.,
IIN = –18mA
IIH
Input HIGH Current
VCC = Max.,
VIN = VCC
IIL Input LOW Current
VCC = Max.,
VIN = GND
RON
RFLAT(ON)
Switch On-Resistance(3)
On-Resistance Flatness(4)
VCC = Min.,
1.25V ≤ VIN ≤ VCC,
IIN = –40mA
VCC = Min., VIN @
1.5V and VCC IIN =
-40mA
ΔRON
On-Resistance match from VCC = Min.,
center ports to any other
port(4)
1.5V ≤ VIN ≤ VCC,
IIN = -40mA
Typ.(2) Max. Units
0.8
-0.7 -1.2
±5
±5
V
μA
4 6.5
1.0 Ω
0.9 2
Capacitance for USB 2.0 Switching (TA = 25°C, f = 1 MHz) (only related to pins 1, 2, 4, 14, 15)
Parameters(4)
Description
Test Conditions(1) Typ.(2)
CIN Input Capacitance
2.0
COFF
Port I Capacitance, Switch OFF
VIN = 0V
4.0
CON Switch Capacitance, Switch ON
7.5
Max.
3.0
6
9.5
Units
pF
Notes for Page 2:
1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.
3. Measured by the voltage drop between DI and DO pins at indicated current through the switch. ON-resistance is determined by the lower of the
voltages on the two (DI & DO) pins.
4. This parameter is determined by device characterization but is not production tested.
06-0078
2
PS8817A
06/06/06


Part Number PI3USB411
Description USB 2.0 High-Speed Signal Switch w/ Low THD Channels
Maker Pericom Semiconductor Corporation
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PI3USB411 Datasheet PDF






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Pericom Semiconductor Corporation





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