Supply Current when OFF (V
參數(shù)資料
型號： LT1139ACN
廠商： Linear Technology
文件頁數(shù)： 8/12頁
文件大?。?/td> 0K
描述： IC 4DRV/4RCV RS232 5V 24-DIP
標準包裝： 15
類型： 收發(fā)器
驅動器/接收器數(shù)： 4/4
規(guī)程： RS232
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 通孔
封裝/外殼： 24-DIP（0.300"，7.62mm）
供應商設備封裝： 24-PDIP
包裝： 管件
5
LT1130A/LT1140A Series
ELECTRICAL C
C
HARA TERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current when OFF (VCC)
Shutdown (Note 4)
q
110
A
Driver Disable
4
mA
Supply Rise Time
C1, C2, C +, C – = 1.0
F
2.0
ms
Shutdown to Turn-On
C +, C – = 0.1
F, C1, C2 = 0.2F
0.2
ms
ON/OFF Pin Thresholds
Input Low Level (Device Shut Down)
q
1.4
0.8
V
Input High Level (Device Enabled)
q
2.4
1.4
V
ON/OFF Pin Current
0V
≤ VON/OFF ≤ 5V
q
–15
80
A
DRIVER DISABLE Pin Thresholds
Input Low Level (Drivers Enabled)
q
1.4
0.8
V
Input High Level (Drivers Disabled)
q
2.4
1.4
V
DRIVER DISABLE Pin Current
0V
≤ VDRIVER DISABLE ≤ 5V
q
– 10
500
A
Oscillator Frequency
130
kHz
Any Driver
Output Voltage Swing
Load = 3k to GND Positive
q
5
7.3
V
Negative
q
– 6.5
– 5
V
Logic Input Voltage Level
Input Low Level (VOUT = High)
q
1.4
0.8
V
Input High Level (VOUT = Low)
q
2
1.4
V
Logic Input Current
0.8V
≤ VIN ≤ 2V
q
520
A
Output Short-Circuit Current
VOUT = 0V
±9
±17
mA
Output Leakage Current
Shutdown VOUT = ±30V (Note 4)
q
10
100
A
Data Rate
RL = 3k, CL = 2500pF
120
kbaud
RL = 3k, CL = 1000pF
250
kbaud
Slew Rate
RL = 3k, CL = 51pF
15
30
V/
s
RL = 3k, CL = 2500pF (Note 8)
6
V/
s
Propagation Delay
Output Transition tHL High to Low (Note 5)
0.6
1.3
s
Output Transition tLH Low to High
0.5
1.3
s
Any Receiver
Input Voltage Thresholds
Input Low Threshold (VOUT = High)
q
0.8
1.3
V
Input High Threshold (VOUT = Low)
q
1.7
2.4
V
Hysteresis
q
0.1
0.4
1
V
Input Resistance
– 10V < VIN < 10V
3
5
7
k
Output Voltage
Output Low, IOUT = – 1.6mA
q
0.2
0.4
V
Output High, IOUT = 160A (VCC = 5V)
q
3.5
4.2
V
Output Leakage Current
Shutdown (Note 4) 0
≤ VOUT ≤ VCC
q
110
A
Output Short-Circuit Current
Sinking Current, VOUT = VCC
–20
– 10
mA
Sourcing Current, VOUT = 0V
10
20
mA
Propagation Delay
Output Transition tHL High to Low (Note 6)
250
600
ns
Output Transition tLH Low to High
350
600
ns
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Testing done at VCC = 5V and VON/OFF = 3V.
Note 3: Supply current is measured with driver and receiver outputs
unloaded and the driver inputs tied high.
Note 4: Supply current and driver leakage current measurements in shut-
down are performed with VON/OFF = 0.1V. Supply current measurements
using DRIVER DISABLE are performed with VDRIVER DISABLE = 3V. For
LT1135, LT1139, LT1140 and LT1141 with 12V supplies, VOUT leakage is
200
A for VOUT forced to ±25V.
Note 5: For driver delay measurements, RL = 3k and CL = 51pF. Trigger
points are set between the driver’s input logic threshold and the output
transition to the zero crossing (tHL = 1.4V to 0V and tLH = 1.4V to 0V).
Note 6: For receiver delay measurements, CL = 51pF. Trigger points
are set between the receiver’s input logic threshold and the output
transition to standard TTL/CMOS logic threshold (tHL = 1.3V to 2.4V
and tLH = 1.7V to 0.8V).
Note 7: For LT1133A/LT1137A, absolute maximum externally applied
V – = – 6.5V. Internal charge pump will drive this pin to a higher nega-
tive voltage.
Note 8: For LT1137A, 4V/
s minimum.
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
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