8

LTC1480

APPLICATIO S I FOR ATIO

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7487

LT/GP 0695 10K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1995

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC485

5V Low Power RS485 Interface Transceiver

Low power

LTC1481

5V Ultra-Low Power RS485 Transceiver with Shutdown

Lowest power

LTC1483

5V Ultra-Low Power RS485 Low EMI Transceiver with Shutdown

Low EMI/lowest power

LTC1485

5V Differential Bus Transceiver

Highest speed

LTC1487

5V Ultra-Low Power RS485 with Low EMI Shutdown

High input impendance/low EMI/lowest power

and High Input Impendance

1

2

3

4

0.150 – 0.157*

(3.810 – 3.988)

8

7

6

5

0.189 – 0.197*

(4.801 – 5.004)

0.228 – 0.244

(5.791 – 6.197)

0.016 – 0.050

0.406 – 1.270

0.010 – 0.020

(0.254 – 0.508)

× 45°

0

°– 8° TYP

0.008 – 0.010

(0.203 – 0.254)

SO8 0294

0.053 – 0.069

(1.346 – 1.752)

0.014 – 0.019

(0.355 – 0.483)

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

BSC

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).

S8 Package

8-Lead Plastic SOIC

N8 Package

8-Lead Plastic DIP

N8 0694

0.045

± 0.015

(1.143

± 0.381)

0.100

± 0.010

(2.540

± 0.254)

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.130

± 0.005

(3.302

± 0.127)

0.015

(0.380)

MIN

0.018

± 0.003

(0.457

± 0.076)

0.125

(3.175)

MIN

12

3

4

87

6

5

0.255

± 0.015*

(6.477

± 0.381)

0.400*

(10.160)

MAX

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.025

–0.015

+0.635

–0.381

8.255

()

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm).

D

R

RECEIVER

OUT

R

100

Ω

100pF

100pF

TTL IN

LTC1480 • F11

BR

Figure 11. Receiver Propagation Delay Test Circuit