LTC1321 LINER [Linear Technology], LTC1321 Datasheet - Page 3

• Manufacturer Part Number: LTC1321
• Description: RS232/EIA562/RS485 Transceivers
• Manufacturer: LINER [Linear Technology]

DC ELECTRICAL CHARACTERISTICS
V
SYMBOL
RS485 Driver (SEL1 = SEL2 = HIGH)
V
V
V
I
I
EIA/TIA-562 Driver (SEL1 = SEL2 = LOW)
V
I
Driver Inputs and Control Inputs
V
V
I
RS485 Receiver (SEL1 = SEL2 = HIGH)
V
I
R
EIA/TIA-562 Receiver (SEL1 = SEL2 = LOW)
V
R
Receiver Output
V
V
I
I
OSD
OZD
OSD
IN
IN
OSR
OZR
OD1
OD2
OC
O
IH
IL
TH
TH
OH
OL
CC
V
V
IN
V
IN
OD
TH
TH
V
OC
= V
DD
(LTC1321/LTC1322) = 5V 5%, V
PARAMETER
Differential Driver Output Voltage (Unloaded)
Differential Driver Output Voltage (With Load)
Change in Magnitude of Driver Differential
Output Voltage for Complementary Output States
Driver Common-Mode Output Voltage
Change in Magnitude of Driver Common-Mode
Output Voltage for Complementary Output States
Driver Short-Circuit Current
Three-State Output Current (Y, Z)
Output Voltage Swing
Output Short-Circuit Current
Input High Voltage
Input Low Voltage
Input Current
Differential Input Threshold Voltage
Input Hysteresis
Input Current (A, B)
Input Resistance
Receiver Input Voltage Threshold
Receiver Input Hysteresis
Receiver Input Resistance
Receiver Output High Voltage
Receiver Output Low Voltage
Short-Circuit Current
Three-State Output Current
EE
= – 5V 5% (Notes 2, 3)
I
Figure 1, R = 50 (RS422)
Figure 1, R = 27 (RS485)
Figure 1, R = 27 or R = 50
Figure 1, R = 27 or R = 50
Figure 1, R = 27 or R = 50
– 7V V
– 7V V
– 7V V
Figure 4, R
Figure 4, R
V
D, DE, ON/OFF, SEL1, SEL2, LB
OE (LTC1335)
D, DE, ON/OFF, SEL1, SEL2, LB
OE (LTC1335)
D, SEL1, SEL2
DE, ON/OFF, LB
OE (LTC1335)
– 7V V
– 7V V
V
– 7V V
– 7V V
Input Low Threshold
Input High Threshold
V
I
I
0V V
ON/OFF = 0V
OE = V
O
O
O
O
CM
IN
CONDITIONS
= 0
= – 3mA, V
= 3mA, V
= 0V
= 10V
= 0V
O
CC
O
O
O
CM
CM
IN
IN
(LTC1335)
V
L
L
IN
CC
12V, V
12V, V
12V
= 3k, Positve
= 3k, Negative
12V
12V
IN
7V, Commercial
7V, Industrial
= 3V, SEL1 = SEL2 = LOW
= 0V, SEL1 = SEL2 = LOW
O
O
= HIGH
= LOW (Note 4)
LTC1321/LTC1322/LTC1335
– 3.7
– 0.2
– 0.3
MIN
2.0
1.5
0.8
0.1
3.5
35
10
12
3.7
2
2
3
7
– 4.3
TYP
1.1
1.7
0.6
4.6
0.2
– 4
70
24
4.2
5
11
5
4
MAX
250
250
– 15
0.2
0.2
0.8
0.8
0.2
0.3
2.4
1.0
0.4
85
500
5
5
5
3
7
60
10
10
10
15
1
UNITS
3
mA
mA
mA
mV
mA
mA
k
k
V
V
V
V
V
V
A
V
V
V
V
V
V
A
A
A
V
V
V
V
V
V
V
A
A