LTC1384IG Linear Technology, LTC1384IG Datasheet - Page 3

• Manufacturer Part Number: LTC1384IG
• Description: IC TXRX 5V RS232 LOW PWR 20-SSOP
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC1384IG

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5 V
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DC ELECTRICAL CHARACTERISTICS
AC CHARACTERISTICS
PARAMETER
Output Short-Circuit Current
Output Leakage Current
Power Supply Generator
V
V
Supply Rise Time
Power Supply
V
Supply Leakage Current (V
Digital Input Threshold Low
Digital Input Threshold High
PARAMETER
Slew Rate
Driver Propagation Delay
(TTL to RS232)
Receiver Propagation Delay
(RS232 to TTL)
temperature range. V
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Supply current is measured with driver and receiver outputs
unloaded.
TYPICAL PERFOR A CE CHARACTERISTICS
CC
+
–
CC
Output Voltage
Output Voltage
–2
–4
–8
10
–6
Supply Current
8
6
4
2
0
= 5V, C1 = C2 = C3 = C4 = 0.1µF,unless otherwise noted.
0
Driver Output Voltage
vs Temperature
R
L
= 3k
10
20
TEMPERATURE (°C)
30
CC
CC
= 5V, C1 = C2 = C3 = C4 = 0.1µF, V
40
)
OUTPUT HIGH
OUTPUT LOW
V
V
CC
V
V
CC
CC
CC
= 4.5V
50
= 5V
= 4.5V
= 5V
W
60
U
70
CONDITIONS
CONDITIONS
R
Sinking Current, V
Sourcing Current, V
EN = V
I
I
I
I
Shutdown to Turn-On
No Load (Note 2), 0°C to 70°C
No Load (Note 2), –40°C to 85°C
Shutdown (Note 3)
R
t
t
t
t
OUT
OUT
OUT
OUT
HLD
LHD
HLR
LHR
L
L
The
= 3k, C
= 3k, C
= 0mA
= 8mA
= 0mA
= – 8mA
(Figure 2)
(Figure 1)
(Figure 1)
(Figure 2)
CC
, 0V ≤ V
2.2
2.0
1.4
1.0
1.8
1.6
1.2
L
L
denotes specifications which apply over the full operating temperature range.
= 51pF
= 2500pF
0
Receiver Input Thresholds
vs Temperature
OUT
10
OUT
OUT
≤ V
ON/OFF
= V
20
= 0V
CC
TEMPERATURE (˚C)
CC
The
30
= V
CC
Note 3: Measurements made in the Shutdown mode are performed
with V
40
denotes specifications which apply over the full operating
, RX EN = 0V, unless otherwise noted.
V
V
TH
TL
50
ON/OFF
60
= 0V.
70
45
40
35
30
25
20
15
10
5
0
0
Supply Current vs Data Rate
MIN
– 15
MIN
V
R
C
2 DRIVERS ACTIVE
2.0
CC
L
L
3
10
= 3k
= 2500pF
25
= 5V
50
DATA RATE (kBAUD)
– 8.0
– 7.0
0.22
0.35
TYP
– 40
TYP
8.0
7.5
0.2
1.4
1.4
0.3
0.3
35
1
8
5
2
2
20
75
100
LTC1384
MAX
MAX
0.5
1.0
0.8
3.5
3.5
0.8
0.8
10
50
30
125
150
UNITS
UNITS
1384fa
3
V/µs
V/µs
175
mA
mA
mA
mA
ms
µA
µA
µs
µs
µs
µs
V
V
V
V
V
V