LTC1334 LINER [Linear Technology], LTC1334 Datasheet - Page 3

• Manufacturer Part Number: LTC1334
• Description: Single 5V RS232/RS485 Multiprotocol Transceiver
• Manufacturer: LINER [Linear Technology]

DC ELECTRICAL CHARACTERISTICS
SYMBOL
RS485 Receiver (SEL1 = SEL2 = High)
V
I
R
RS232 Receiver (SEL1 = SEL2 = Low)
V
R
Receiver Output
V
V
I
I
R
Power Supply Generator
V
V
Power Supply
I
AC ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
RS232 Mode (SEL1 = SEL2 = Low)
SR
t
t
t
t
t
RS485 Mode (SEL1 = SEL2 = High)
t
t
t
t
temperature range, otherwise specifications are at T
IN
OSR
OZR
CC
T
PLH
PHL
PLH
PHL
SKEW
r
PLH
PHL
TH
TH
OH
OL
DD
EE
, t
V
IN
V
IN
OB
TH
TH
f
PARAMETER
Differential Input Threshold Voltage
Input Hysteresis
Input Current (A, B)
Input Resistance
Receiver Input Threshold Voltage
Receiver Input Hysteresis
Receiver Input Resistance
Receiver Output High Voltage
Receiver Output Low Voltage
Short-Circuit Current
Three-State Output Current
Inactive “B” Output Pull-Up Resistance (Note 5)
V
V
V
PARAMETER
Slew Rate
Transition Time
Driver Input to Output
Driver Input to Output
Receiver Input to Output
Receiver Input to Output
Driver Input to Output
Driver Input to Output
Driver Output to Output
Driver Rise and Fall Time
DD
EE
CC
Output Voltage
Supply Current
Output Voltage
A
A
= 25 C. V
= 25 C. V
– 7V V
–7V V
V
V
V
– 7V V
Input Low Threshold
Input High Threshold
V
I
I
0V V
ON/OFF = Low
ON/OFF = High, SEL1 = SEL2 = High
No Load, ON/OFF = High
I
No Load, ON/OFF = High
I
No Load, SEL1 = SEL2 = High
No Load Shutdown, ON/OFF = 0V
Figure 4, R
Figure 4, R
Figure 4, R
Figures 4, 9, R
Figures 4, 9, R
Figures 5, 10
Figures 5, 10
Figures 2, 6, R
Figures 2, 6, R
Figures 2, 6, R
Figures 2, 6, R
O
O
DD
EE
CM
IN
IN
IN
CONDITIONS
CONDITIONS
= – 3mA, V
= 3mA, V
= 10mA, ON/OFF = High
= – 7V
= 12V
= 10V
= – 10mA, ON/OFF = High
= 0V
O
CC
CC
CM
CM
IN
The
V
= 5V, C1 = C2 = C3 = C4 = 0.1 F (Notes 2, 3)
= 5V, C1 = C2 = C3 = C4 = 0.1 F (Notes 2, 3)
L
L
L
The
IN
CC
= 3k, C
= 3k, C
= 3k, C
12V
7V, LTC1334I
IN
12V, LTC1334C
= 3V, SEL1 = SEL2 = Low
L
L
L
L
L
L
= 0V, SEL1 = SEL2 = Low
denotes specifications which apply over the full operating
= 3k, C
= 3k, C
= 54 , C
= 54 , C
= 54 , C
= 54 , C
denotes specifications which apply over the full operating
L
L
L
= 15pF
= 1000pF
= 2500pF
L
L
= 15pF
= 15pF
L
L
L
L
= 100pF
= 100pF
= 100pF
= 100pF
– 0.2
–0.3
0.22
MIN
MIN
0.8
3.5
12
20
20
3
7
4
3
– 7.7
– 6.9
TYP
TYP
0.6
4.6
0.2
8.5
7.6
1.9
0.6
0.6
0.3
0.4
70
24
50
10
40
40
15
5
8
5
LTC1334
MAX
– 0.8
MAX
100
0.2
0.3
2.4
0.4
3.1
85
25
30
70
70
15
40
1.0
7
4
4
6
6
10
UNITS
UNITS
3
V/ s
V/ s
mV
mA
mA
mA
mA
k
k
k
ns
ns
ns
ns
V
V
V
V
V
V
V
A
V
V
V
V
A
s
s
s
s
s