LTC491IS Linear Technology, LTC491IS Datasheet - Page 11

• Manufacturer Part Number: LTC491IS
• Description: IC TXRX RS485 LOWPWR DIFF 14SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC491IS

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PACKAGE DESCRIPTIO
.030 .005
(0.203 – 0.254)
.008 – .010
TYP
.245
MIN
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)
RECOMMENDED SOLDER PAD LAYOUT
(0.254 – 0.508)
.010 – .020
N
1
.050 BSC
(0.406 – 1.270)
2
.016 – .050
(MILLIMETERS)
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
45
3
INCHES
U
14-Lead Plastic Small Outline (Narrow .150 Inch)
N/2
0 – 8 TYP
.045 .005
.160 .005
(Reference LTC DWG # 05-08-1610)
(5.791 – 6.197)
.228 – .244
(1.346 – 1.752)
.053 – .069
(0.355 – 0.483)
S Package
.014 – .019
TYP
14
N
1
13
2
12
3
(8.560 – 8.738)
.337 – .344
NOTE 3
11
4
(1.270)
.050
BSC
10
5
9
6
N/2
8
7
(0.101 – 0.254)
.004 – .010
(3.810 – 3.988)
.150 – .157
NOTE 3
S14 0502
LTC491
11
491fa