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PDF NLAS8252 Data sheet ( Hoja de datos )
| Número de pieza | NLAS8252 | |
| Descripción | DP3T Switch | |
| Fabricantes | ON Semiconductor | |
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NLAS8252
DP3T Switch for
USB/UART/Data
Multiplexing
Brief Description
The NLAS8252 is a DP3T switch for combined UART and USB 2.0
full speed data applications. It allows portable systems to use a single
external port to transmit and receive signals to and from three separate
locations within the portable system. It is comprised of two switches,
each with a single common I/O that alternates between 3 terminals.
They are operated together to allow three data sources, such as a USB
or UART transceiver, to pass differential data through a shared USB
connector port.
The NLAS8252 features low RON- 4 W (max) at 4.2 V VCC, 5 W
(typ) at a 3.3 V VCC. It also features low CON, < 30 pF (max) across
the supply voltage range. This performance makes it ideal for USB full
speed applications that require both low RON and CON for effective
signal transmission.
The NLAS8252 is capable of accepting control input signals down
to 1.4 V, over a range of VCC supply voltages with minimal leakage
current. The NLAS8252 is offered in a lead-free, 12 pin, 1.7 x 2.0 x
0.5 mm, UQFN package.
Features
•ăRON: 4 W Max @ VCC = 4.2 V
•ăCON: < 20 pF @ VCC = 3.3 V
•ăOVT Protection up to 5.25 V on Common Pins
•ăVCC Range: 1.65 V to 4.5 V
•ă3 kV ESD Protection
•ă1.7 x 2.0 x 0.5 mm UQFN12 Package
•ăThis is a Pb-Free Device
Typical Applications
•ăUSB/UART/Data Multiplexing
•ăShared USB Connector
•ăMobile Phones
•ăPortable Devices
www.DataSheet4U.com
http://onsemi.com
1
UQFN12
MU SUFFIX
CASE 523AE
MARKING
DIAGRAM
52M
G
52 = Specific Device Code
M = Date Code
G = Pb-Free Package
APPLICATION DIAGRAM
NLAS8252
D+
D-
USB
XCVR
D+ R
Remote
D- L Data
Rx
UART
Tx XCVR
IN[1:0]
From Baseband
ORDERING INFORMATION
Device
Package
Shipping†
NLAS8252MUTAG UQFN12
3000 /
(Pb-Free) Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
©Ă Semiconductor Components Industries, LLC, 2008
April, 2008 - Rev. 0
1
Publication Order Number:
NLAS8252/D
1 page  
NLAS8252
AC ELECTRICAL CHARACTERISTICS
TIMING/FREQUENCY (TYPICAL: T = 255C; VCC = 3.3 V, RL = 50 W, CL = 5 pF, f = 1 MHz)
Symbol
Pins
Parameter
Test Conditions
Min Typ Max Unit
BW -3 dB Bandwidth
200 MHz
THD
tON
1Sx to 1Sy,
2Sx to 2Sy
Total Harmonic Distortion 20 Hz to 20 kHz, 1.0 VPP
Turn On Time
0.01 %
13 30 nS
tOFF 1Sy to 1Sx, Turn Off Time
2Sy to 2Sx
12 25 nS
tBBM
1Sx to 1Sy, Break Before Make
2Sx to 2Sy
2.0 nS
CROSSTALK: (TYPICAL: T = 255C; VCC = 3.3V, RL = 50 W, CL = 35 pF, f = 1MHz)
Symbol
Pins
Parameter
Test Conditions
OIRR
Xtalk
1Sx or 2Sx Off Isolation
COMx to COMy Non-Adjacent Channel
VIN = 0
CAPACITANCE (TYPICAL: T = 255C; VCC = 3.3V, RL = 50 W, CL = 5 pF, f = 1 MHz)
Symbol
Pins
Parameter
Test Conditions
CIN
CON
INx
1Sx or 2Sx
to COM
Control Input
Through Switch
VCC = 0 V
VCC = 3.3 V, VIN = 0 V
COFF
1Sx, 2Sx COMx Unselected Port
VCC = VIN = 3.3 V
Min Typ Max Unit
-60 dB
-60 dB
Min Typ Max Unit
3 pF
16 20 pF
8 pF
www.DataSheet4U.com
http://onsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NLAS8252.PDF ] | |
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