LTC1337C Linear Technology, LTC1337C Datasheet - Page 3

• Manufacturer Part Number: LTC1337C
• Description: 5V Low Power RS232 3-Driver/5-Receiver Transceiver
• Manufacturer: Linear Technology

D
TYPICAL PERFOR
AC
The
range (0 C T
Note 1: Absolute maximum ratings are those values beyond which the life
of the device may be impaired.
PARAMETER
Power Supply Generator
V
V
Supply Rise Time
Power Supply
V
Supply Leakage Current (V
On/Off Threshold Low
On/Off Threshold High
PARAMETER
Slew Rate
Driver Propagation Delay
(TTL to RS232)
Receiver Propagation Delay
(RS232 to TTL)
CC
+
–
C
Output Voltage
Output Voltage
–2
–4
– 6
–8
10
Supply Current
8
6
4
2
0
denotes specifications which apply over the operating temperature
0
ELECTRICAL C
Driver Output Voltage
C
R
HARA TERISTICS
L
= 3k
10
A
20
TEMPERATURE (°C)
70 C).
C
30
OUTPUT HIGH
OUTPUT LOW
CC
V
V
40
V
V
CC
)
CC
CC
CC
= 4.5V
= 4.5V
= 5V
= 5V
50
W
HARA TERISTICS
60
1337 G01
A
CONDITIONS
R
R
t
t
t
t
CONDITIONS
I
I
I
I
SHUTDOWN to Turn-On
No Load (Note 2)
SHUTDOWN (Note 3)
OUT
OUT
OUT
OUT
HLD
LHD
HLR
LHR
U
L
L
70
= 3k, C
= 3k, C
CE
= 0mA
= 12mA
= 0mA
= 12mA
(Figure 2)
(Figure 1)
(Figure 1)
(Figure 2)
C
L
L
C
= 51pF
= 2500pF
HARA TERISTICS
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0
Receiver Input Thresholds
10
C
20
TEMPERATURE (°C)
V
INPUT HIGH
INPUT LOW
CC
30
= 5V, C1 = C2 = C3 = C4 = 0.1 F, unless otherwise noted.
Note 2: Supply current is measured with driver and receiver outputs
unloaded and driver inputs tied high.
Note 3: Supply current and leakage measurements in SHUTDOWN are
performed with V
40
50
60
1337 G02
ON
70
= 0V.
45
40
35
30
25
20
15
10
5
0
0
Supply Current vs Data Rate
MIN
MIN
2.0
V
R
C
3 DRIVERS ACTIVE
2
CC
L
L
25
= 2500pF
= 3k
= 5V
50
DATA RATE (k BAUD)
– 8.0
– 6.5
TYP
TYP
8.0
7.5
0.2
0.3
1.4
1.4
0.3
0.2
1
8
4
2
2
75
LTC1337
100
MAX
MAX
0.5
0.8
0.6
0.6
10
30
3
3
125
150
1337 G03
UNITS
UNITS
3
V/ s
V/ s
mA
ms
175
V
V
V
V
A
V
V
s
s
s
s