LT1342CG Linear Technology, LT1342CG Datasheet - Page 4

• Manufacturer Part Number: LT1342CG
• Description: IC TXRX 5V RS232 W/3VLOGC 28SSOP
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LT1342CG

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LT1342CGW; LT1342CGW

TYPICAL PERFOR
LT1342
4
–10
150
125
100
3.0
2.5
1.5
1.0
10
–2
–4
–6
–8
2.0
0.5
50
75
25
8
6
4
2
0
0
0
–55
–55
–55
Driver Output Voltage
ON/OFF Thresholds
Supply Current in Shutdown
R
L
= 3k
–25
–25
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
OFF THRESHOLD
ON THRESHOLD
OUTPUT HIGH
V
V
V
V
OUTPUT LOW
CC
CC
CC
CC
25
25
V
V
25
CC
CC
= 5.5V
= 4.5V
= 4.5V
= 5.5V
= 5V
= 5V
50
50
50
75
75
75
W
LT1342 • TPC07
LT1342 • TPC04
LT1342 • TPC01
100
100
100
A
U
125
125
125
CE
C
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.50
HARA TERISTICS
0.75
40
30
25
20
10
35
15
5
4
3
2
1
0
5
0
–55
–55
–55
Supply Current in Driver Disable
Receiver Input Thresholds
Supply Current
–25
–25
–25
3DRIVERS LOADED R
2DRIVERS LOADED R
1DRIVER LOADED R
NO LOAD
C
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT HIGH
INPUT LOW
25
25
25
50
50
50
L
L
L
= 3k
= 3k
= 3k
75
75
75
LT1342 • TPC02
LT1342 • TPC05
LT1341 • TPC08
100
100
100
125
125
125
100
0.1
3.0
2.5
80
60
50
40
20
10
2.0
1.5
1.0
0.5
70
30
10
0
1
0
–55
–55
Supply Current vs Data Rate
0
Driver Disable Threshold
Driver Leakage in Shutdown
3DRIVERS ACTIVE
R
C
L
L
–25
–25
= 2500pF
= 3k
25
DATA RATE (kBAUD)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
50
25
25
75
V
OUT
V
50
50
OUT
= –30V
100
= 30V
75
75
LT1342 • TPC09
LT1342 • TPC06
LT1342 • TPC03
125
100
100
150
125
125