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参数资料
| 型号： | LT1181AMJ |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 通用总线功能 |
| 英文描述： | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| 中文描述： | DUAL LINE TRANSCEIVER, CDIP16 |
| 封装： | 0.300 INCH, HERMETIC SEALED, CERDIP-16 |
| 文件页数： | 3/12页 |
| 文件大小： | 285K |
| 代理商： | LT1181AMJ |
3
LT1180A/LT1181A
ELECTRICAL C
HARA TERISTICS
(Note 2)
The
G
denotes specifications which apply over the operating temperature
range (0
°
C
≤
T
A
≤
70
°
C for commercial grade, and –40
°
C
≤
T
A
≤
85
°
C for
industrial grade.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
Testing done at V
CC
= 5V and V
ON/OFF
= 3V, unless otherwise
specified.
Note 3:
Supply current is measured as the average over several charge
pump cycles. C
+
= C
–
= C1 = C2 = 0.1
μ
F. All outputs are open, with all
driver inputs tied high.
Note 4:
Supply current measurements in SHUTDOWN are performed with
V
ON/OFF
≤
0.1V.
Note 5:
For driver delay measurements, R
L
= 3k and C
L
= 51pF. Trigger
points are set between the driver’s input logic threshold and the output
transition to the zero crossing (t
HL
= 1.4V to 0V and t
LH
= 1.4V to 0V).
Note 6:
For receiver delay measurements, C
L
= 51pF. Trigger points are
set between the receiver’s input logic threshold and the output transition
to standard TTL/CMOS logic threshold (t
HL
= 1.3V to 2.4V and t
LH
= 1.7V
to 0.8V).
Note 7:
Data rate operation guaranteed by slew rate, short-circuit current
and propagation delay tests.
PARAMETER
Driver
Output Voltage Swing
CONDITIONS
MIN
TYP
MAX
UNITS
Load = 3k to GND
Positive
Negative
5.0
7.5
–6.3
V
V
G
–5.0
Logic Input Voltage Level
Input Low Level (V
OUT
= High)
Input High Level (V
OUT
= Low)
0.8V
≤
V
IN
≤
2.0V
V
OUT
= 0V
Shutdown V
OUT
=
±
30V (Note 4)
R
L
= 3k, C
L
= 2500pF
R
L
= 3k, C
L
= 1000pF
R
L
= 3k, C
L
= 51pF
R
L
= 3k, C
L
= 2500pF
Output Transition t
HL
High-to-Low (Note 5)
Output Transition t
LH
Low-to-High
G
G
1.4
1.4
5
17
10
0.8
V
V
2.0
Logic Input Current
Output Short-Circuit Current
Output Leakage Current
Date Rate (Note 7)
G
20
μ
A
mA
μ
A
±
9
G
100
120
250
kBaud
kBaud
V/
μ
s
V/
μ
s
Slew Rate
15
7
0.6
0.5
30
4
Propagation Delay
1.3
1.3
μ
s
μ
s
Receiver
Input Voltage Thresholds
Input Low Threshold (V
OUT
= High)
Input High Threshold (V
OUT
= Low)
Input Low
Input High
C Grade
C Grade
I, M Grade
I, M Grade
G
G
0.8
1.3
1.7
1.3
1.7
0.4
5
1
0.2
4.2
–20
20
250
350
V
V
V
V
V
2.4
G
G
0.2
3.0
1.0
7
10
0.4
Hysteresis
Input Resistance
Output Leakage Current
Output Voltage
G
0.1
3
V
IN
=
±
10V
Shutdown (Note 4) 0
≤
V
OUT
≤
V
CC
Output Low, I
OUT
= –1.6mA
Output High, I
OUT
= 160
μ
A (V
CC
= 5V)
Sinking Current, V
OUT
= V
CC
Sourcing Current, V
OUT
= 0V
Output Transition t
HL
High-to-Low (Note 6)
Output Transition t
LH
Low-to-High
k
μ
A
G
G
G
V
V
3.5
Output Short-Circuit Current
–10
mA
mA
ns
ns
10
Propagation Delay
600
600
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