LTC491IS#PBF Linear Technology, LTC491IS#PBF Datasheet - Page 11

• Manufacturer Part Number: LTC491IS#PBF
• Description: IC TXRX RS485 LOW POWER 14-SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC491IS#PBF

• 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
• Data Rate: 2.5Mbps
• Interface Circuit Standard 1: RS-422/RS-485
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Number Of Transceivers: 1
• Data Transmission Topology: Multidrop/Multipoint
• Receiver Signal Type: Differential
• Transmitter Signal Type: Differential
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Supply Current: 0.5mA
• Power Supply Requirement: Single
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 14
• Package Type: SOIC N
• No. Of Drivers: 1
• Supply Voltage Range: 4.75V To 5.25V
• Driver Case Style: SOIC
• No. Of Pins: 14
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Ic Interface Type: RS422, RS485
• Lead Free Status / RoHS Status: Lead free / RoHS 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