參數(shù)資料
型號: LT1080C
廠商: Linear Technology Corporation
英文描述: 8-Bit Parallel-Out Serial Shift Registers 14-SOIC 0 to 70
中文描述: 先進的低功耗5V的RS232雙驅(qū)動器/接收
文件頁數(shù): 7/12頁
文件大小: 213K
代理商: LT1080C
7
LT1080/LT1081
APPLICATIU
When driving CMOS logic from a receiver that will be used
in the SHUTDOWN mode and there is no other active
receiver on the line, a 51k resistor can be placed from the
logic input to V
CC
to force a definite logic level when the
receiver output is in a high impedance state.
W
U
U
The generated driver supplies (V
+
and V
) may be used to
power external circuitry such as other RS232 drivers or op
amps. They should be loaded with care, since excessive
loading can cause the generated supply voltages to drop,
causing the RS232 driver output voltages to fall below
RS232 requirements. See the graph “Supply Generator
Outputs” for a comparison of generated supply voltage
versus supply current.
1080/81 F08
DRIVER
V
+
3
EXTERNAL OP AMP
LT1080
V
7
V
+
V
1
μ
F
1
μ
F
+
GND
16
+
TYPICAL APPLICATIO
U
To protect against receiver input overloads in excess of
±
30V, a voltage clamp can be placed on the data line and
still maintain RS232 compatibility.
RS232
INPUT
RECEIVER
LOGIC
OUTPUT
1080/81 F067
5k
1k*
30V
30V
* A PTC THERMISTOR WILL ALLOW
CONTINUOUS OVERLOAD OF GREATER THAN
±
100V
Operating with 5V and 12V
LOGIC
INPUTS
LOGIC
OUTPUTS
ON/OFF
18
10
13
11
12
6
5
4
2
16
9
14
8
15
7
3
17
5V INPUT
12V INPUT*
–12V OUTPUT
RS232 OUTPUT
RS232 OUTPUT
RS232 INPUT
RS232 INPUT
1080/81 TA03
5k
5k
LT1080
1
μ
F
1
μ
F
* PIN 1 USED ON LT1081.
1080/81 F06
RS232
INPUT
ON/OFF
INPUT
LT1080
RECEIVER
CMOS
LOGIC
LOGIC
OUTPUT
V
CC
51k*
* FORCES LOGIC INPUT STATE WHEN V
ON/OFF
IS LOW
相關PDF資料
PDF描述
LT1080CSW 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
LT1080I 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
LT1080M 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
LT1081 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
LT1081C 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
相關代理商/技術參數(shù)
參數(shù)描述
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LT1080CNPBF 制造商:Linear Technology 功能描述:LT1080CNPBF
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