Datasheet

12
LTC1688/LTC1689
16889fa
 LINEAR TECHNOLOGY CORPORATION 1999
LT/TP 1003 1K REV A • PRINTED IN THE USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
PART NUMBER DESCRIPTION COMMENTS
LTC486/LTC487 Low Power Quad RS485 Drivers 110µA Typ Supply Current, 10Mbps, –7V to 12V Common Mode Range
LT
®
1394 7ns UltraFast Single Supply Comparator 6mA Typ Supply Current, Ground Sensing on Single Supply
LTC1518/LTC1519 High Speed, Precision Quad RS485 Receivers 52Mbps, Pin Compatible with LTC488/LTC489
LTC1520 High Speed, Precision Quad Differential Line Receiver Single Supply, 18ns Propagation Delay, 100mV Threshold
LTC1685 High Speed, Precision RS485 Transceiver 52Mbps, Pin Compatible with LTC485
LTC1686/LTC1687 High Speed, Precision RS485 Full-Duplex Transceivers 52Mbps, Pin Compatible with LTC490/LTC491
LT1720 Dual 4.5ns UltraFast Single Supply Comparator 4mA per Comparator, Optimized for 3V or 5V Operation
RELATED PARTS
PACKAGE DESCRIPTION
U
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
.016 – .050
(0.406 – 1.270)
.010 – .020
(0.254 – 0.508)
×
45
°
0° – 8° TYP
.008 – .010
(0.203 – 0.254)
1
N
2
3
4
5
6
7
8
N/2
.150 – .157
(3.810 – 3.988)
NOTE 3
16
15
14
13
.386 – .394
(9.804 – 10.008)
NOTE 3
.228 – .244
(5.791 – 6.197)
12
11
10
9
S16 0502
.053 – .069
(1.346 – 1.752)
.014 – .019
(0.355 – 0.483)
TYP
.004 – .010
(0.101 – 0.254)
.050
(1.270)
BSC
.245
MIN
N
123 N/2
.160 ±.005
RECOMMENDED SOLDER PAD LAYOUT
.045 ±.005
.050 BSC
.030 ±.005
TYP
INCHES
(MILLIMETERS)
NOTE:
1. DIMENSIONS IN
2. DRAWING NOT TO SCALE
3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)