Datasheet

8
LTC1480
APPLICATIO S I FOR ATIO
UU W U
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
(408) 432-1900
FAX
: (408) 434-0507
TELEX
: 499-3977
LT/GP 0695 10K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1995
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
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
876
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
100pF
100pF
TTL IN
t
r
, t
f
< 6ns
LTC1480 • F11
BR
Figure 11. Receiver Propagation Delay Test Circuit