LTC1384 Linear Technology, LTC1384 Datasheet - Page 3

• Manufacturer Part Number: LTC1384
• Description: 5V Low Power RS232 Transceiver with 2 Receivers Active in Shutdown
• Manufacturer: Linear Technology

D
AC
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)
TYPICAL PERFORMANCE CHARACTERISTICS
V
The
range of 0 C T
Note 1: Absolute maximum ratings are those values beyond which the life
of the device may be impaired.
CC
+
–
CC
C
Output Voltage
Output Voltage
–4
10
–2
–6
–8
Supply Current
2
0
8
6
4
= 5V, C1 = C2 = C3 = C4 = 0.1 F, V
0
denotes specifications which apply over the operating temperature
Driver Output Voltage
vs Temperature
ELECTRICAL C
C
R
L
HARA TERISTICS
= 3k
10
A
20
TEMPERATURE (°C)
70 C.
C
30
CC
40
)
OUTPUT HIGH
OUTPUT LOW
V
V
CC
V
V
CC
CC
CC
= 4.5V
50
= 5V
= 4.5V
= 5V
LTC1384 • TPC01
W
HARA TERISTICS
60
U
ON/OFF
70
CONDITIONS
Sinking Current, V
Sourcing Current, V
EN = V
I
I
I
I
Shutdown to Turn-On
No Load (Note 2)
Shutdown (Note 3)
CONDITIONS
R
R
t
t
t
t
OUT
OUT
OUT
OUT
HLD
LHD
HLR
LHR
L
L
C
V
= 3k, C
= 3k, C
CC
= 0mA
= 8mA
= 0mA
= – 8mA
(Figure 2)
(Figure 1)
(Figure 1)
(Figure 2)
= V
CC
= 5V, C1 = C2 = C3 = C4 = 0.1 F, unless otherwise noted.
, 0V V
CC
L
L
1.0
2.2
2.0
1.8
1.6
1.4
1.2
= 51pF
= 2500pF
, EN = 0V, unless otherwise noted.
0
Receiver Input Thresholds
vs Temperature
OUT
OUT
10
OUT
= V
V
= 0V
20
CC
CC
TEMPERATURE (˚C)
30
Note 2: Supply current is measured with driver and receiver outputs
unloaded.
Note 3: Measurements made in the Shutdown mode are performed
with V
40
V
V
TH
TL
ON/OFF
50
LTC1384 • TPC02
60
= 0V.
70
45
40
35
30
25
20
15
10
5
0
0
Supply Current vs Data Rate
MIN
MIN
– 15
V
R
C
2 DRIVERS ACTIVE
2.0
3
CC
L
10
L
= 3k
= 2500pF
25
= 5V
50
DATA RATE (kBAUD)
– 8.0
– 7.0
0.22
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
0.8
3.5
3.5
0.8
0.8
10
50
30
125
LTC1384 • TPC03
150
UNITS
UNITS
3
V/ s
V/ s
mA
mA
mA
ms
175
A
V
V
V
V
A
V
V
s
s
s
s