LTC2851IDD#PBF datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Analog mixed-signal IC> Drivers and interfaces> LTC2851IDD#PBF

LTC2851IDD#PBF: DescriptionIC txrx rs485/rs422 8-dfn; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size1MB，18 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC2851IDD#PBF Overview

IC txrx rs485/rs422 8-dfn

LTC2851IDD#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	DFN
package instruction	HVSON, SOLCC8,.11,20
Contacts	8
Manufacturer packaging code	DD
Reach Compliance Code	compliant
ECCN code	EAR99
Differential output	YES
Number of drives	1
Input properties	DIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit type	LINE TRANSCEIVER
Interface standards	EIA-485-A; TIA-485-A; EIA-422
JESD-30 code	S-PDSO-N8
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Minimum output swing	2 V
Maximum output low current	0.004 A
Package body material	PLASTIC/EPOXY
encapsulated code	HVSON
Encapsulate equivalent code	SOLCC8,.11,20
Package shape	SQUARE
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	3.3 V
Certification status	Not Qualified
Maximum receive delay	70 ns
Number of receiver bits	1
Maximum seat height	0.8 mm
Maximum supply voltage	3.6 V
Minimum supply voltage	3 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
maximum transmission delay	50 ns
width	3 mm
Base Number Matches	1

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LTC2850/LTC2851/LTC2852

3.3V 20Mbps RS485/RS422

Transceivers

FeaTures

DescripTion

The LTC

2850, LTC2851 and LTC2852 are low power,

20Mbps RS485/RS422 transceivers operating on 3.3V

supplies. The receiver has a one-eighth unit load supporting

up to 256 nodes per bus (C, I-grade), and a failsafe feature

that guarantees a high output state under conditions of

floating or shorted inputs.

The driver maintains a high output impedance over the

entire common mode range when disabled or when the

supply is removed. Excessive power dissipation caused by

bus contention or a fault is prevented by current limiting

all outputs and by thermal shutdown.

Enhanced ESD protection allows these parts to withstand

up to ±15kV (human body model) on the transceiver

interface pins without latchup or damage.

PART NUMBER

LTC2850

LTC2851

LTC2852

DUPLEX

Half

Full

PACKAGE

SO-8, MSOP-8, DFN-8

SO-14, MSOP-10, DFN-10

3.3V Supply Voltage

20Mbps Maximum Data Rate

No Damage or Latchup Up to ±15kV HBM

High Input Impedance Supports 256 Nodes

(C, I‑Grade)

Operation Up to 125°C (H‑Grade)

Guaranteed Failsafe Receiver Operation Over the

Entire Common Mode Range

Current Limited Drivers and Thermal Shutdown

Delayed Micropower Shutdown: 5µA Maximum

(C, I-Grade)

Power Up/Down Glitch-Free Driver Outputs

Low Operating Current: 370µA Typical in

Receive Mode

Compatible with TIA/EIA-485-A Specifications

Available in 8-Pin and 10-Pin 3mm

3mm DFN,

8-Pin and 10-Pin MSOP and 8-Pin and 14-Pin

SO Packages

applicaTions

Low Power RS485/RS422 Transceiver

Level Translator

Backplane Transceiver

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Typical applicaTion

LTC2850

RO1

RE1

DE1

DI1

GND1

2V/DIV

LTC2850

RO2

RE2

DE2

DI2

GND2

285012 TA01a

LTC2850 at 20Mbps Into 54Ω

CC1

A-B

CC2

20ns/DIV

285012 TA01b

285012fd

LTC2851IDD#PBF Related Products

	LTC2851IDD#PBF	LTC2852IDD#PBF	LTC2852IMS#PBF	LTC2851IMS8#PBF	LTC2850IDD#PBF	LTC2850IS8#PBF	LTC2850IMS8#PBF	LTC2850CDD#PBF
Description	IC txrx rs485/rs422 8-dfn	IC txrx rs485/rs422 10-dfn	IC txrx rs485/rs422 10msop	IC txrx rs485/rs422 8msop	IC txrx rs485 20mbps 8-dfn	IC txrx rs485/rs422 8soic	IC txrx rs485/rs422 8msop	IC txrx rs485/rs422 8-dfn
Brand Name	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to
Parts packaging code	DFN	DFN	MSOP	MSOP	DFN	SOIC	MSOP	DFN
package instruction	HVSON, SOLCC8,.11,20	HVSON, SOLCC10,.11,20	TSSOP, TSSOP10,.19,20	TSSOP, TSSOP8,.19	HVSON, SOLCC8,.11,20	SOP, SOP8,.25	TSSOP, TSSOP8,.19	HVSON, SOLCC8,.11,20
Contacts	8	10	10	8	8	8	8	8
Manufacturer packaging code	DD	DD	MS	MS8	DD	S8	MS8	DD
Reach Compliance Code	compliant	compli	compli	compli	compli	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Differential output	YES	YES	YES	YES	YES	YES	YES	YES
Number of drives	1	1	1	1	1	1	1	1
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-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422	EIA-485-A; TIA-485-A; EIA-422
JESD-30 code	S-PDSO-N8	S-PDSO-N10	S-PDSO-G10	S-PDSO-G8	S-PDSO-N8	R-PDSO-G8	S-PDSO-G8	S-PDSO-N8
JESD-609 code	e3	e3	e3	e3	e3	e3	e3	e3
length	3 mm	3 mm	3 mm	3 mm	3 mm	4.9025 mm	3 mm	3 mm
Humidity sensitivity level	1	1	1	1	1	1	1	1
Number of functions	1	1	1	1	1	1	1	1
Number of terminals	8	10	10	8	8	8	8	8
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	70 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-
Minimum output swing	2 V	2 V	2 V	2 V	2 V	2 V	2 V	2 V
Maximum output low current	0.004 A	0.004 A	0.004 A	0.004 A	0.004 A	0.004 A	0.004 A	0.004 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVSON	HVSON	TSSOP	TSSOP	HVSON	SOP	TSSOP	HVSON
Encapsulate equivalent code	SOLCC8,.11,20	SOLCC10,.11,20	TSSOP10,.19,20	TSSOP8,.19	SOLCC8,.11,20	SOP8,.25	TSSOP8,.19	SOLCC8,.11,20
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	RECTANGULAR	SQUARE	SQUARE
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260	260	260	260	260	260	260	260
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	70 ns	70 ns	70 ns	70 ns	70 ns	70 ns	70 ns	70 ns
Number of receiver bits	1	1	1	1	1	1	1	1
Maximum seat height	0.8 mm	0.8 mm	1.1 mm	1.1 mm	0.8 mm	1.752 mm	1.1 mm	0.8 mm
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	YES	YES	YES	YES	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	NO LEAD	NO LEAD	GULL WING	GULL WING	NO LEAD	GULL WING	GULL WING	NO LEAD
Terminal pitch	0.5 mm	0.5 mm	0.5 mm	0.65 mm	0.5 mm	1.27 mm	0.65 mm	0.5 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	30	30	30	30	30	30	30	30
maximum transmission delay	50 ns	50 ns	50 ns	50 ns	50 ns	50 ns	50 ns	50 ns
width	3 mm	3 mm	3 mm	3 mm	3 mm	3.899 mm	3 mm	3 mm
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	-

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