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PDF SP3494 Data sheet ( Hoja de datos )
| Número de pieza | SP3494 | |
| Descripción | +3.3V Low Power RS-485/RS-422 Transceivers | |
| Fabricantes | Sipex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SP3494 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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® SP3493/SP3494
+3.3V Low Power
RS-485/RS-422 Transceivers
■ Operates From A Single +3.3V Supply
■ Interoperable With +5V Logic
■ +200mV Receiver Input Sensitivity
■ -7V to +12V Common-Mode Input
Voltage Range
■ Devices Allow Up To 32 Transceivers
On The Serial Bus
■ Driver/Receiver Enable Lines (SP3494)
■ 2nA Low-Power Shutdown Mode (SP3494)
■ Compatible With The MAX3488, LTC490
and 75179 Industry Standard Pinouts
(SP3493)
■ Compatible With The MAX3486 and 75176
Industry Standard Pinouts (SP3494)
DESCRIPTION
The SP3493 and the 3494 devices are +3.3V, low power transceivers that meet the
specifications of the RS-485 and RS-422 serial protocols. The SP3493 and the 3494 devices
are pin-to-pin compatible with the Sipex SP3490 and the SP3481 devices, respectively, as well
as other popular industry standards. The devices feature Sipex's BiCMOS process, allowing
low power operation without sacrificing performance. The partially slew-rate limited drivers
minimize EMI and reduce reflections caused by improperly terminated cables allowing
error-free data transmission. The SP3493 is a full-duplex low power transceiver that will
deliver a data transmission rate up to 250kbps. The SP3494 is a half-duplex partially slew-rate
limited transceiver that will deliver a data transmission rate up to 2.5Mbps. The SP3494 is
equipped with a low-power shutdown mode and driver/receiver high-Z enable lines.
Vcc 1
R2
R
D3
GND 4
D
8A
7B
6Z
5Y
RO 1
RE 2
DE 3
DI 4
R
D
8 VCC
7B
6A
5 GND
SP3493
SP3494
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
1
© Copyright 2002 Sipex Corporation
1 page  
PIN FUNCTION - SP3493
Vcc 1
Pin 1 - VCC - Positive supply +3.00 < VCC < +3.60
8 A Pin 2 - R - Receiver output.
R2 R
7B
Pin 3 - D - Driver input.
Pin 4 - GND - Ground connection.
D3
GND 4
D
6 Z Pin 5 - Y - Non-inverting driver output.
Pin 6 - Z - Inverting driver output.
5 Y Pin 7 - B - Inverting receiver input.
Pin 8 - A - Non-inverting receiver input.
SP3493
Pinout
RO 1
RE 2
DE 3
DI 4
R
D
8 VCC
7B
6A
5 GND
SP3494
Pinout
PIN FUNCTION - SP3494
Pin 1 – RO – Receiver Output.
Pin 2 – RE – Receiver Output Enable Active LOW.
Pin 3 – DE – Driver Output Enable Active HIGH.
Pin 4 – DI – Driver Input.
Pin 5 – GND – Ground Connection.
Pin 6 – A – Driver Output/Receiver Input
Non-inverting.
Pin 7 – B – Driver Output/Receiver Input Inverting.
Pin 8 – Vcc – Positive Supply +3.00V < VCC < +3.60V
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
5
© Copyright 2002 Sipex Corporation
5 Page 
ORDERING INFORMATION
Model
Temperature Range
Package
SP3493CN 0˚C to +70˚C 8-pin Narrow SOIC○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
○○○○○○○○○○○○○○○○
SP3493CP 0˚C to +70˚C 8-pin Plastic DIP○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
○○○○○○○○○○○○○○○○○
SP3493EN ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○.-40˚C to +85˚C ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 8-pin Narrow SOIC
SP3493EP ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ -40˚C to +85˚C ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 8-pin Plastic DIP
SP3494CN 0˚C to +70˚C 8-pin Narrow SOIC○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
○○○○○○○○○○○○○○○○
SP3494CP 0˚C to +70˚C 8-pin Plastic DIP○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
○○○○○○○○○○○○○○○○○
SP3494EN ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ -40˚C to +85˚C ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 8-pin Narrow SOIC
SP3494EP ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ -40˚C to +85˚C ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 8-pin Plastic DIP
Please consult the factory for pricing and availability on a Tape-On-Reel option.
Corporation
SIGNAL PROCESSING EXCELLENCE
Sipex Corporation
Headquarters and
Sales Office
233 South Hillview Drive
Milpitas, CA 95035
TEL: (408) 934-7500
FAX: (408) 935-7600
Sales Office
22 Linnell Circle
Billerica, MA 01821
TEL: (978) 667-8700
FAX: (978) 670-9001
e-mail: [email protected]
Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the
application or use of any product or circuit described hereing; neither does it convey any license under its patent rights nor the rights of others.
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
11
© Copyright 2002 Sipex Corporation
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SP3494.PDF ] | |
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