LT1341CSW#PBF datasheet, PDF - EEWORLD Datasheet

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LT1341CSW#PBF: DescriptionIC TXRX 5V RS232 W/SHTDWN 28SOIC; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size214KB，8 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LT1341CSW#PBF Overview

IC TXRX 5V RS232 W/SHTDWN 28SOIC

LT1341CSW#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	SOIC
package instruction	SOP,
Contacts	28
Manufacturer packaging code	SW
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	ONE RECEIVER ACTIVE IN SHUT DOWN
Differential output	NO
Number of drives	3
Input properties	SCHMITT TRIGGER
Interface integrated circuit type	LINE TRANSCEIVER
Interface standards	EIA-232
JESD-30 code	R-PDSO-G28
JESD-609 code	e3
length	17.9 mm
Humidity sensitivity level	1
Number of functions	3
Number of terminals	28
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum receive delay	600 ns
Number of receiver bits	5
Maximum seat height	2.65 mm
Nominal supply voltage	5 V
surface mount	YES
technology	BIPOLAR
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
maximum transmission delay	1300 ns
width	7.5 mm
Base Number Matches	1

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LT1341

5V RS232 Transceiver with One

Receiver Active in Shutdown

FEATURES

DESCRIPTIO

One Receiver Remains Active While in Shutdown

ESD Protection Over

±10kV

Uses Small Capacitors: 0.1µF, 0.2µF

60µA Supply Current in Shutdown

Pin Compatible with LT1137A

120kBaud Operation for R

= 3k, C

= 2500pF

250kBaud Operation for R

= 3k, C

= 1000pF

CMOS Comparable Low Power: 60mW

Operates from a Single 5V Supply

Easy PC Layout: Flowthrough Architecture

Rugged Bipolar Design

Outputs Assume a High Impedance State When

Off or Powered Down

Absolutely No Latchup

Available in SSOP Package

The LT

1341 is an advanced low power three-driver, five-

receiver RS232 transceiver. Included on the chip is a

shutdown pin for reducing supply current to near zero.

During shutdown one receiver remains active to detect

incoming RS232 signals, for example, to wake up a

system. All other receivers and the drivers assume high

impedance states during shutdown.

The driver disable function provides additional control of

operating mode. When driver disable is high the charge

pump and drivers turn off. Receivers continue to operate

during driver disable.

New ESD structures on the chip allow the LT1341 to

survive multiple

±10kV

strikes, eliminating the need for

costly TransZorbs

on the RS232 line pins.

The LT1341 is fully compliant with all EIA RS232 specifi-

cations and operates in excess of 120kbaud even driving

heavy capacitive loads.

, LTC and LT are registered trademarks of Linear Technology Corporation.

TransZorb is a registered trademark of General Instruments, GSI

APPLICATI

Notebook Computers

Palmtop Computers

TYPICAL APPLICATI

0.1µF

DRIVER 1 OUT

RX1 IN

DRIVER 2 OUT

TO LINE

RX2 IN

RX3 IN

RX4 IN

DRIVER 3 OUT

RX5 IN (LOW-Q)

ON/OFF

LT1341

28 V

–

DRIVER 1 IN

RX1 OUT

DRIVER 2 IN

RX2 OUT

RX3 OUT

RX4 OUT

TO LOGIC

0.1µF

RECEIVER

OUTPUT

= 50pF

DRIVER

OUTPUT

= 3k

= 2500pF

DRIVER 3 IN

18 RX5 OUT (LOW-Q)

GND

DRIVER DISABLE

INPUT

RING DETECT IN

µCONTROLLER

µPROCESSOR

SHUTDOWN

CONTROL OUT

LT1341 • TA01

Output Waveforms

LT1341 • TA02

LT1341CSW#PBF Related Products

	LT1341CSW#PBF	LT1341CSW#TR	LT1341CG#TR	LT1341CNW#PBF	LT1341CSW#TRPBF	LT1341CG#PBF	LT1341CG#TRPBF
Description	IC TXRX 5V RS232 W/SHTDWN 28SOIC	IC txrx 5V rs232 shutdown 28soic	IC txrx 5V rs232 shutdown 28ssop	IC TXRX 5V RS232 W/SHTDWN 28DIP	IC TXRX 5V RS232 W/SHTDWN 28SOIC	IC TXRX 5V RS232 W/SHTDWN 28SSOP	IC TXRX 5V RS232 SHUTDOWN 28SSOP
Brand Name	Linear Technology	-	-	Linear Technology	-	Linear Technology	Linear Technology
Is it Rohs certified?	conform to	-	-	conform to	-	conform to	conform to
Maker	Linear ( ADI )	-	-	Linear ( ADI )	-	Linear ( ADI )	Linear ( ADI )
Parts packaging code	SOIC	-	-	DIP	-	SSOP	SSOP
package instruction	SOP,	-	-	DIP,	-	SSOP, SSOP28,.3	SSOP,
Contacts	28	-	-	28	-	28	28
Manufacturer packaging code	SW	-	-	NW	-	G	G
Reach Compliance Code	compliant	-	-	compliant	-	compliant	compliant
ECCN code	EAR99	-	-	EAR99	-	EAR99	EAR99
Other features	ONE RECEIVER ACTIVE IN SHUT DOWN	-	-	ONE RECEIVER ACTIVE IN SHUT DOWN	-	5 RECEIVERS ACTIVE UNDER SHUTDOWN; EXTERNAL CHARGE PUMP	5 RECEIVERS ACTIVE UNDER SHUTDOWN; EXTERNAL CHARGE PUMP
Differential output	NO	-	-	NO	-	NO	NO
Number of drives	3	-	-	3	-	3	3
Input properties	SCHMITT TRIGGER	-	-	SCHMITT TRIGGER	-	SCHMITT TRIGGER	SCHMITT TRIGGER
Interface integrated circuit type	LINE TRANSCEIVER	-	-	LINE TRANSCEIVER	-	LINE TRANSCEIVER	LINE TRANSCEIVER
Interface standards	EIA-232	-	-	EIA-232	-	EIA-232	EIA-232
JESD-30 code	R-PDSO-G28	-	-	R-PDIP-T28	-	R-PDSO-G28	R-PDSO-G28
Number of functions	3	-	-	3	-	3	3
Number of terminals	28	-	-	28	-	28	28
Maximum operating temperature	70 °C	-	-	70 °C	-	70 °C	70 °C
Package body material	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	-	-	DIP	-	SSOP	SSOP
Package shape	RECTANGULAR	-	-	RECTANGULAR	-	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	-	-	IN-LINE	-	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	-	-	260	-	260	NOT SPECIFIED
Certification status	Not Qualified	-	-	Not Qualified	-	Not Qualified	Not Qualified
Maximum receive delay	600 ns	-	-	600 ns	-	600 ns	600 ns
Number of receiver bits	5	-	-	5	-	5	5
Maximum seat height	2.65 mm	-	-	4.318 mm	-	2 mm	2 mm
Nominal supply voltage	5 V	-	-	5 V	-	5 V	5 V
surface mount	YES	-	-	NO	-	YES	YES
technology	BIPOLAR	-	-	BIPOLAR	-	BIPOLAR	BIPOLAR
Temperature level	COMMERCIAL	-	-	COMMERCIAL	-	COMMERCIAL	COMMERCIAL
Terminal form	GULL WING	-	-	THROUGH-HOLE	-	GULL WING	GULL WING
Terminal pitch	1.27 mm	-	-	2.54 mm	-	0.65 mm	0.65 mm
Terminal location	DUAL	-	-	DUAL	-	DUAL	DUAL
Maximum time at peak reflow temperature	30	-	-	40	-	30	NOT SPECIFIED
maximum transmission delay	1300 ns	-	-	1300 ns	-	1300 ns	1300 ns
width	7.5 mm	-	-	15.24 mm	-	5.3 mm	5.3 mm

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