SP3490 datasheet, PDF - EEWORLD Datasheet

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SP3490: Description+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate; File Size123KB，11 Pages; ManufacturerSIPEX; Websitehttp://www.sipex.com/

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SP3490 Overview

+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate

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SP3490/SP3491

+3.3V Low Power Full Duplex RS-485

Transceivers with 10Mbps Data Rate

■

Full Duplex RS-485 and RS-422

Transceivers

■

Operates from a single +3.3V supply

■

Interoperable with +5.0V logic

■

Driver/Receiver Tri-state Enable

Lines (SP3491)

■

-7V to +12V Common-Mode Input

Voltage Range

■

+200mV Receiver Input Sensitivity

■

Allows up to 32 transceivers on

the serial bus

■

Compatibility with LTC490

and SN75179 (SP3490)

■

Compatibility with LTC491

and SN75180 (SP3491)

DESCRIPTION

The

SP3490

and the

SP3491

are +3.3V low power full duplex transceivers that meet the

specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin

compatible with the

Sipex

SP490 and SP491 devices as well as popular industry standards.

The

SP3490

and the

SP3491

feature

Sipex's

BiCMOS process, allowing low power operation

without sacrificing performance. The

SP3490

and

SP3491

meet the electrical specifications

of RS-485 and RS-422 serial protocols up to 10Mbps under load. The

SP3491

is identical to

the

SP3490

with the addition of driver and receiver tri-state enable lines.

NC 1

14 Vcc

13 NC

12 A

Vcc 1

R 2

8 A

11 B

REB 3

7 B

DE 4

6 Z

D 3

GND 4

10 Z

D 5

5 Y

GND 6

GND 7

9 Y

8 NC

SP3490

SP3491

Rev. 10/11/02

SP3490/3491 Low Power Full-Duplex RS485 Transceivers

SP3490 Related Products

	SP3490	SP3491EP	SP3491EN	SP3491CP	SP3491CN	SP3490EP	SP3490EN	SP3490CP	SP3490CN
Description	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate	+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
Is it Rohs certified?	-	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	-	SIPEX	SIPEX	SIPEX	SIPEX	SIPEX	SIPEX	SIPEX	SIPEX
package instruction	-	PLASTIC, DIP-14	PLASTIC, SOIC-14	PLASTIC, DIP-14	PLASTIC, SOIC-14	DIP, DIP8,.3	SOP, SOP8,.25	DIP, DIP8,.3	SOP, SOP8,.25
Reach Compliance Code	-	unknown	unknow	unknown	unknow	unknow	unknow	unknow	unknown
Other features	-	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY	CAN ALSO OPERATE WITH A 5V SUPPLY
Differential output	-	YES	YES	YES	YES	YES	YES	YES	YES
Number of drives	-	1	1	1	1	1	1	1	1
High level input current maximum value	-	0.00001 A	0.00001 A	0.00001 A	0.00001 A	0.00001 A	0.00001 A	0.00001 A	0.00001 A
Input properties	-	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER	DIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit type	-	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER
Interface standards	-	EIA-422; EIA-485	EIA-422; EIA-485	EIA-422; EIA-485	EIA-422; EIA-485	EIA-422; EIA-485	EIA-422; EIA-485	EIA-422; EIA-485	EIA-422; EIA-485
JESD-30 code	-	R-PDIP-T14	R-PDSO-G14	R-PDIP-T14	R-PDSO-G14	R-PDIP-T8	R-PDSO-G8	R-PDIP-T8	R-PDSO-G8
JESD-609 code	-	e0	e0	e0	e0	e0	e0	e0	e0
length	-	19.177 mm	8.65 mm	19.177 mm	8.65 mm	9.5885 mm	4.9 mm	9.5885 mm	4.9 mm
Number of functions	-	1	1	1	1	1	1	1	1
Number of terminals	-	14	14	14	14	8	8	8	8
Maximum operating temperature	-	85 °C	85 °C	70 °C	70 °C	85 °C	85 °C	70 °C	70 °C
Minimum output swing	-	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V
Maximum output low current	-	0.0025 A	0.0025 A	0.0025 A	0.0025 A	0.0025 A	0.0025 A	0.0025 A	0.0025 A
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	DIP	SOP	DIP	SOP	DIP	SOP	DIP	SOP
Encapsulate equivalent code	-	DIP14,.3	SOP14,.25	DIP14,.3	SOP14,.25	DIP8,.3	SOP8,.25	DIP8,.3	SOP8,.25
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	IN-LINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	-	NOT APPLICABLE	240	NOT APPLICABLE	240	NOT APPLICABLE	240	NOT APPLICABLE	240
power supply	-	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum receive delay	-	120 ns	120 ns	120 ns	120 ns	120 ns	120 ns	120 ns	120 ns
Number of receiver bits	-	1	1	1	1	1	1	1	1
Maximum seat height	-	5.334 mm	1.75 mm	5.334 mm	1.75 mm	5.334 mm	1.75 mm	5.334 mm	1.75 mm
Maximum slew rate	-	2 mA	2 mA	2 mA	2 mA	2 mA	2 mA	2 mA	2 mA
Maximum supply voltage	-	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Minimum supply voltage	-	3 V	3 V	3 V	3 V	3 V	3 V	3 V	3 V
Nominal supply voltage	-	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	-	NO	YES	NO	YES	NO	YES	NO	YES
technology	-	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Temperature level	-	INDUSTRIAL	INDUSTRIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL	COMMERCIAL
Terminal surface	-	TIN LEAD	Tin/Lead (Sn/Pb)	TIN LEAD	TIN LEAD	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	TIN LEAD
Terminal form	-	THROUGH-HOLE	GULL WING	THROUGH-HOLE	GULL WING	THROUGH-HOLE	GULL WING	THROUGH-HOLE	GULL WING
Terminal pitch	-	2.54 mm	1.27 mm	2.54 mm	1.27 mm	2.54 mm	1.27 mm	2.54 mm	1.27 mm
Terminal location	-	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	NOT APPLICABLE	30	NOT APPLICABLE	30	NOT APPLICABLE	30	NOT APPLICABLE	30
maximum transmission delay	-	60 ns	60 ns	60 ns	60 ns	60 ns	60 ns	60 ns	60 ns
width	-	7.62 mm	3.9 mm	7.62 mm	3.9 mm	7.62 mm	3.9 mm	7.62 mm	3.9 mm

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