LT1280ACSW#PBF Linear Technology, LT1280ACSW#PBF Datasheet - Page 2

• Manufacturer Part Number: LT1280ACSW#PBF
• Description: IC DRVR/RCVR 5V RS232 DUAL18SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LT1280ACSW#PBF

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 18-SOIC (7.5mm Width)
• Data Rate: 250Kbps
• Interface Circuit Standard 1: EIA-232/RS-232
• Number Of Receivers: 2
• Number Of Transmitters: 2
• Number Of Transceivers: 2
• Data Transmission Topology: Point-to-Point
• Receiver Signal Type: Single-Ended
• Transmitter Signal Type: Single-Ended
• Single Supply Voltage (typ): 5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Supply Current: 10mA
• Power Supply Requirement: Single
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 18
• Package Type: SOIC W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A
Consult factory for Military grade parts.
LT1280A/LT1281A
Supply Voltage (V
V
V
Input Voltage
Output Voltage
ELECTRICAL C
PARAMETER
Power Supply Generator
V
V
Supply Current (V
Supply Current When OFF (V
Supply Rise Time
Shutdown to Turn-On
ON/OFF Pin Thresholds
ON/OFF Pin Current
Oscillator Frequency
Driver
Output Voltage Swing
Logic Input Voltage Level
2
PACKAGE/ORDER I FOR ATIO
+
–
+
–
BSOLUTE
Output
Output
Driver ........................................................... V
Receiver ............................................... – 30V to 30V
ON/OFF ................................................. – 0.3V to 12V
Driver ...................................... V
Receiver .................................... – 0.3V to V
........................................................................ 13.2V
...................................................................... –13.2V
T
T
JMAX
TR2 OUT
JMAX
REC2 IN
= 125 C,
C1
C2
C1
C2
= 125 C,
NC
V
V
+
+
–
+
–
–
18-LEAD PLASTIC SO WIDE
N PACKAGE 18-LEAD PDIP
1
2
3
4
5
6
7
8
9
CC
JA
SW PACKAGE
)
JA
TOP VIEW
= 90 C/ W,
= 80 C/ W,
CC
W
) ................................................ 6V
A
CC
HARA TERISTICS
)
18
17
16
15
14
13
12
11
10
JC
XI
JC
= 26 C/W (SW)
= 36 C/W (N)
ON/OFF
V
GND
TR1 OUT
REC1 IN
REC1 OUT
TR1 IN
TR2 IN
REC2 OUT
W
CC
U
C
U
CONDITIONS
(Note 3), T
Shutdown (Note 4) LT1280A Only
C1 = C2 = C3 = C4 = 0.1 F
LT1280A Only
Input Low Level (Device Shutdown)
Input High Level (Device Enabled)
0V V
Load = 3k to GND
Input Low Level (V
Input High Level (V
W
+
ON/OFF
R
– 30V to V
A
A
W
= 25 C
ORDER PART
LT1280ACN
LT1280AIN
LT1280ACSW
LT1280AISW
TI
5V
NUMBER
U
OUT
OUT
CC
G
–
–
= High)
= Low)
+ 0.3V
S
+ 30V
(Note 2)
to V
U
(Note 1)
+
Short-Circuit Duration
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
V
V
Driver Output .............................................. Indefinite
Receiver Output .......................................... Indefinite
LT1280AC/LT1281AC ............................. 0 C to 70 C
LT1280AI/LT1281AI .......................... – 40 C to 85 C
T
T
JMAX
JMAX
Positive
Negative
+
–
TR2 OUT
REC2 IN
................................................................... 30 sec
................................................................... 30 sec
= 125 C,
= 125 C,
C1
C2
C1
C2
V
V
+
+
–
+
–
–
16-LEAD PLASTIC SO WIDE
N PACKAGE 16-LEAD PDIP
1
2
3
4
5
6
7
8
JA
JA
SW PACKAGE
= 95 C/ W,
TOP VIEW
= 90 C/ W,
JC
JC
16
15
14
13
12
11
10
9
= 27 C/W (SW)
= 46 C/W (N)
V
GND
TR1 OUT
REC1 IN
REC1 OUT
TR1 IN
TR2 IN
REC2 OUT
CC
MIN
– 15
0.8
5.0
2.0
– 7.0
– 6.3
TYP
130
7.9
0.2
0.2
1.2
1.6
1.4
1.4
7.5
8
1
ORDER PART
LT1281ACN
LT1281AIN
LT1281ACSW
LT1281AISW
NUMBER
MAX
– 5.0
2.4
0.8
10
14
10
80
UNITS
kHz
mA
mA
ms
ms
V
V
A
V
V
A
V
V
V
V