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參數(shù)資料
| 型號： | MC1488D1013TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | RS-232 quad line driver |
| 中文描述： | 的RS - 232四線驅(qū)動器 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 534K |
| 代理商： | MC1488D1013TR |
Typical applications
MC1488
12/17
These two diodes, as shown in Figure 13, could be used to decoupled all the driver
packages in a system. (These same diodes will allow the MC1488 to withstand momentary
shorts to the ±15V limits specified in the earlier Standard RS232B). The addition of the
diodes also permits the MC1488 to withstand faults with power-supplies of less than the
9.0V stated above.
The maximum short-circuit current allowable under fault conditions is more than guaranteed
by the previously mentioned 10 mA output current limiting.
The MC1488 is an extremely versatile line driver with a mired of possible applications.
Several features of the drivers enhance this versatility:
1. Output Current Limiting - this enables the circuit designer to define the output voltage
levels independent of power-supplies and can be accomplished by diode clamping of the
output pins.
2. Power-Supply Range - as can be seen from the schematic drawing of the drivers, the
positive and negative driving elements of the device are essentially independent and do not
require matching power-supplies. In fact, the positive supply can very from a minimum
seven volts (required for driving the negative pulldown section) to the maximum specified
15V. The negative supply can vary from approximately -2.5V to the minimum specified -
15V. The MC1488 will drive the output to within 2V of the positive or negative supplies as
long as the current output limits are not exceeded. The combination of the current-limiting
and supply-voltage features allow a wide combination of possible outputs within the same
quad package.
Figure 15.
Slew-rate load vs capacitance for I
SC
= 10mA
Figure 16.
Power supply protection to meet Power-off fault conditions
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參數(shù)描述 |
|---|---|
| MC1488DG | 功能描述:RS-232接口集成電路 Quad Line EIA-232D Driver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MC1488DR2 | 功能描述:RS-232接口集成電路 Quad Line EIA-232D RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MC1488DR2G | 功能描述:RS-232接口集成電路 Quad Line EIA-232D Driver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MC1488L | 制造商:Motorola Inc 功能描述: |
| MC1488M | 功能描述:RS-232接口集成電路 Quad Line EIA-232D RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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