LT1331 Linear Technology, LT1331 Datasheet - Page 3

• Manufacturer Part Number: LT1331
• Description: 3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown
• Manufacturer: Linear Technology

PARAMETER
Any Driver
Output Voltage Swing, Positive
Output Voltage Swing, Negative
Logic Input Voltage Level
Logic Input Current
Output Short-Circuit Current
Output Leakage Current
Data Rate (Note 8)
Slew Rate
Propagation Delay
Any Receiver
Input Voltage Thresholds
Hysteresis
Input Resistance
Receivers 1 Through 4
Output Voltage
Output Short-Circuit Current
Propagation Delay
Output Leakage Current
Receiver 5 (Low Q-Current RX)
Output Voltage
Output Short-Circuit Current
Propagation Delay
The
temperature range (0 C T
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Testing done at V
otherwise stated.
Note 3: Supply current is measured as the average over several charge
pump cycles. C
with all driver inputs tied high.
Note 4: V
Note 5: Supply current and leakage current measurements in shutdown
are performed with V
driver disable are performed with V
ELECTRICAL C
denotes specifications which apply over the full operating
L
supply current is measured with all receiver outputs high.
+
= 1 F, C
ON/OFF
CC
–
A
= 0.1 F, C1 = C2 = 0.2 F. All outputs are open
= 5V, V
HARA TERISTICS
0.1V. Supply current measurements using
70 C for commercial grade).
DRIVER DISABLE
L
= 3.3V, and V
C
CONDITIONS
V
V
V
V
Input Low Level (V
Input High Level (V
0.8V V
V
Shutdown V
R
R
R
R
Output Transition t
Output Transition t
Input Low Threshold (V
Input High Threshold (V
V
Output Low, I
Output High, I
Sinking Current, V
Sourcing Current, V
Output Transition t
Output Transition t
Shutdown (Note 5) 0 V
Output Low, I
Output High, I
Sinking Current, V
Sourcing Current, V
Output Transition t
Output Transition t
ON/OFF
CC
CC
CC
CC
OUT
IN
L
L
L
L
3V.
= 3k, C
= 3k, C
= 3k, C
= 3k, C
= 10V
= 5V, R
= 3.3V, R
= 5V, R
= 3.3V, R
= 0V
= 3V, unless
IN
L
L
L
L
L
L
= 2500pF
= 1000pF
= 51pF
= 2500pF
OUT
2V
= 3k
= 3k
L
L
OUT
OUT
OUT
OUT
= 3k
= 3k
= 30V (Note 5)
= – 1.6mA
= – 500 A
= 160 A (V
OUT
= 160 A (V
OUT
OUT
HL
LH
HL
LH
HL
LH
OUT
OUT
OUT
High to Low (Note 6)
Low to High
High to Low (Note 7)
Low to High
High to Low (Note 7)
Low to High
= V
= V
= High)
= Low)
OUT
= 0V
= 0V
OUT
OUT
CC
CC
= High)
= Low)
L
L
Note 6: For driver delay measurements, R
points are set between the driver’s input logic threshold and the output
transition to the zero crossing (t
Note 7: For receiver delay measurements, C
set between the receiver’s input logic threshold and the output transition
to standard TTL/CMOS logic threshold (t
to 0.8V).
Note 8: Data rate operation guaranteed by slew rate, short-circuit current
and propagation delay tests.
= 3.3V)
= 3V)
V
CC
HL
MIN
= 1.4V to 0V and t
120
250
5.0
3.7
2.0
0.8
0.1
2.0
2.0
10
3
2
9
HL
L
= 3k and C
L
= 1.3V to 2.0V and t
= 51pF. Trigger points are
– 6.0
– 3.3
– 20
TYP
350
250
6.5
4.0
1.4
1.4
0.6
0.5
1.3
1.7
0.4
0.2
2.4
0.2
2.4
– 4
17
10
15
5
6
5
20
1
1
1
4
LH
L
= 51pF. Trigger
MAX
– 5.0
– 2.7
= 1.4V to 0V).
– 10
100
600
600
0.8
1.3
1.3
2.4
1.0
0.4
0.4
– 2
20
30
10
7
3
3
LT1331
LH
= 1.7V
UNITS
kBaud
kBaud
3
V/ s
V/ s
mA
mA
mA
mA
mA
k
ns
ns
V
V
V
V
V
V
A
A
V
V
V
V
V
A
V
V
s
s
s
s