sp483eep Exar Corporation, sp483eep Datasheet

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sp483eep

Manufacturer Part Number
sp483eep
Description
Enhanced Low Emi Half-duplex Rs-485 Transceiver
Manufacturer
Exar Corporation
Datasheet
SP483EDS/05
DESCRIPTION
The SP483E is a half-duplex transceiver that meets the specifications of RS-485 and RS-422
serial protocols with enhanced ESD performance. The ESD tolerance has been improved on
this device to over 15kV for both Human Body Model and IEC1000-4-2 Air Discharge
Method. This device is pin-to-pin compatible with Sipex's SP483 device as well as popular
industry standards. As with the original version, the SP483E features Sipex's BiCMOS
design allowing low power operation without sacrificing performance. The SP483E meet the
requirements of the RS-485 and RS-422 protocols up to 250kbps under load. The SP483E
is internally slew rate limited to reduce EMI and can meet the requirements of RS-485 and
RS-422 up to 250kbps. The SP483E is also equipped with a low power Shutdown mode.
+5V Only
Low Power BiCMOS
Driver/Receiver Enable for Multi-Drop
configurations
Enhanced ESD Specifications:
+15KV Human Body Model
+15KV IEC1000-4-2 Air Discharge
+8KV IEC1000-4-2 Contact Discharge
Low EMI Transceiver limited to 250kbps
®
DE 3
RO 1
RE 2
Enhanced Low EMI Half-Duplex
DI 4
SP483E Low EMI Half-Duplex RS485 Transceiver
SP483E
D
R
1
Now Available in Lead Free Packaging
RS-485 Transceiver
8 Vcc
7 B
6 A
5 GND
© Copyright 2000 Sipex Corporation
SP483E

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sp483eep Summary of contents

Page 1

Only Low Power BiCMOS Driver/Receiver Enable for Multi-Drop configurations Enhanced ESD Specifications: +15KV Human Body Model +15KV IEC1000-4-2 Air Discharge +8KV IEC1000-4-2 Contact Discharge Low EMI Transceiver limited to 250kbps DESCRIPTION The SP483E is a half-duplex transceiver that ...

Page 2

ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...

Page 3

SPECIFICATIONS (continued and unless otherwise noted. MIN MAX CC PARAMETERS MIN. SP483E RECEIVER AC Characteristics Maximum Data Rate 250 Receiver Input to Output 250 Receiver Input to Output 250 Diff. Receiver Skew It ...

Page 4

SP485 Top View SP483E Pinout (Top View Figure 1. RS-485 Driver DC Test Load Circuit DIFF ...

Page 5

INPUTS LINE CONDITION Fault Fault Fault Table 1. Transmit Function Truth Table + ...

Page 6

DESCRIPTION... The SP483E is a half-duplex differential transceiver that meets the requirements of RS-485 and RS-422. Fabricated with a Sipex proprietary BiCMOS process, the SP483E requires a fraction of the power of older bipolar designs. The RS-485 standard is ideal ...

Page 7

The Human Body Model has been the generally accepted ESD testing method for semiconductors. This method is also specified in MIL-STD-883, Method 3015.7 for ESD testing. The premise of this ESD test is to simulate the human body’s potential to ...

Page 8

With the Air Discharge Method, an ESD voltage is applied to the equipment under test (EUT) through air. This simulates an electrically charged person ready to connect a cable onto the rear of the system only to find an unpleasant ...

Page 9

D1 = 0.005" min. (0.127 min 0.100 BSC (2.540 BSC) ALTERNATE END PINS (BOTH ENDS) DIMENSIONS (Inches) Minimum/Maximum 8–PIN (mm) 0.115/0.195 A2 (2.921/4.953) B 0.014/0.022 (0.356/0.559) B1 0.045/0.070 (1.143/1.778) C 0.008/0.014 (0.203/0.356) 0.355/0.400 D (9.017/10.160) ...

Page 10

DIMENSIONS (Inches) Minimum/Maximum 8–PIN (mm) A 0.053/0.069 (1.346/1.748) A1 0.004/0.010 (0.102/0.249 B 0.014/0.019 (0.35/0.49) D 0.189/0.197 (4.80/5.00) E 0.150/0.157 (3.802/3.988) e 0.050 BSC (1.270 BSC) H 0.228/0.244 (5.801/6.198) h 0.010/0.020 (0.254/0.498) L 0.016/0.050 (0.406/1.270) ...

Page 11

... SP483ECP ........................................................ 0˚C to +70˚C ................................................... 8-pin Plastic DIP SP483EEN ...................................................... .-40˚C to +85˚C ............................................. 8-pin Narrow SOIC SP483EEP ...................................................... -40˚C to +85˚C ................................................. 8-pin Plastic DIP Please consult the factory for pricing and availability on a Tape-On-Reel option. Available in lead free packaging. To order, add "-L" suffix to the part number. ...

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