LT1140ACS Linear Technology, LT1140ACS Datasheet - Page 12

• Manufacturer Part Number: LT1140ACS
• Manufacturer: Linear Technology

Specifications of LT1140ACS

• Interface Circuit Standard 1: RS-232
• Number Of Receivers: 3
• Number Of Transmitters: 5
• Number Of Transceivers: 1
• Data Transmission Topology: Point-to-Point
• Receiver Signal Type: Single-Ended
• Transmitter Signal Type: Single-Ended
• Single Supply Voltage (typ): Not RequiredV
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (typ): ±12/5V
• Supply Current: 15mA
• Power Supply Requirement: Triple
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 24
• Package Type: SOIC W
• Lead Free Status / Rohs Status: Not Compliant

PACKAGE DESCRIPTIO
RELATED PARTS
TYPICAL
LT1130A/LT1140A Series
PART NUMBER
LT1180A/LT1181A 2-Driver/2-Receiver RS232 Transceivers
LT1237
LTC1327
LTC1337
LTC1338
LTC1348
12
(0.229 – 0.330)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
**
0.009 – 0.013
*
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
1 F
RS232
LINE
+
TO
(7.391 – 7.595)
NOTE 1
0.291 – 0.299**
1 F
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 [phone]
FAX: [phone] TELEX: 499-3977 www.linear-tech.com
(0.406 – 1.270)
0.016 – 0.050
DRIVER OUT
DRIVER OUT
DRIVER OUT
+
APPLICATION
RX IN
RX IN
RX IN
RX IN
RX IN
5V V
DESCRIPTION
3-Driver/5-Receiver RS232 Transceiver
3-Driver/5-Receiver RS562 Transceiver
3-Driver/5-Receiver RS232 Transceiver
5-Driver/3-Receiver RS232 Transceiver
3-Driver/5-Receiver RS232 Transceiver
C1
C1
V
CC
+
+
–
10
11
12
0 – 8 TYP
1
2
3
4
5
6
7
8
9
(0.254 – 0.737)
0.010 – 0.029
LT1133A
45
Sharing Power Supply Generator with a Second Transceiver
(2.362 – 2.642)
0.093 – 0.104
U
(1.270)
0.050
TYP
U
24
23
22
21
20
19
18
17
16
15
14
13
(0.356 – 0.482)
28-Lead Plastic Small Outline (Wide 0.300)
0.014 – 0.019
TYP
DRIVER IN
RX OUT
DRIVER IN
RX OUT
RX OUT
RX OUT
DRIVER IN
RX OUT
V
C2
C2
Dimensions in inches (millimeters) unless otherwise noted.
GND
–
–
+
(LTC DWG # 05-08-1620)
+
1 F
TO
LOGIC
SW Package
RS232
LINE
COMMENTS
Single 5V Supply with 0.1 F Capacitors
Lower Power Upgrade for LT1137A
3.3V Operation
Ultralow Power for DTE Applications
Ultralow Power for DCE Applications
3.3V to 5V Operation
TO
(0.102 – 0.305)
0.004 – 0.012
(0.940 – 1.143)
0.037 – 0.045
DRIVER OUT
DRIVER OUT
DRIVER OUT
ON/OFF
5V V
NOTE 1
RX IN
RX IN
RX IN
RX IN
RX IN
NC
CC
V
+
10
11
12
1
2
3
4
5
6
7
8
9
28
1
27
2
26
3
LT1141A
25
4
1130asfb LT/TP 0799 2K REV B • PRINTED IN USA
24
5
23
(17.70 – 18.08)
6
0.697 – 0.712*
LINEAR TECHNOLOGY CORPORATION 1993
22 21 20 19 18 17 16 15
7
8
9 10
24
23
22
21
20
19
18
17
16
15
14
13
NC
RX OUT
DRIVER IN
RX OUT
DRIVER IN
RX OUT
DRIVER IN
RX OUT
RX OUT
GND
DRIVER
DISABLE
V
11 12
–
13
14
LT1130A • TA05
S28 (WIDE) 0996
+
TO
LOGIC
(10.007 – 10.643)
0.394 – 0.419
1 F