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MFG:NS Package Cooled:DIP
Part Number: DS78C120
MFG: NS
Package Cooled: DIP
Description: The DS78C120 is a high performance, dual differential, CMOS compatible line receiver for both balanced...
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DS78C120
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DataSheet
General Description
DS78C120 General Description
The DS78C120 is a high performance, dual differential, CMOS compatible line receiver for both balanced and unbalanced digital data transmission. The inputs are compatible with EIA, Federal and MIL standards.
Input specifications meet or exceed those of the popular DS7820 line receiver. The line receiver will discriminate a ±200 mV input signal over a common-mode range of ±10V and a ±300 mV signal over a range of ±15V. Circuit features include hysteresis and response control for applications where controlled rise and fall times and/or high frequency noise rejection are desirable. Threshold offset control is provided for fail-safe detection, should the input be open or short. Each receiver includes a 180W terminating resistor and the output gate contains a logic strobe for time discrimination.The DS78C120 is specified over a −55°C to +125°C temperature range.
DS78C120 Maximum Ratings
Supply Voltage 18V
Input Voltage ±25V
Strobe Voltage 18V
Output Sink Current 50 mA
Maximum Power Dissipation (Note 1) at25°C
Cavity Package 1433 mW
Molded Package 1362 mW
Storage Temperature Range −65°C to +150°C
Lead Temperature (Soldering, 4 seconds) 260°C
Input Voltage ±25V
Strobe Voltage 18V
Output Sink Current 50 mA
Maximum Power Dissipation (Note 1) at25°C
Cavity Package 1433 mW
Molded Package 1362 mW
Storage Temperature Range −65°C to +150°C
Lead Temperature (Soldering, 4 seconds) 260°C
DS78C120 Features
* Full compatibility with EIA Standards RS232-C, RS422 and RS423, Federal Standards 1020, 1030 and MIL-188-114
* Input voltage range of ±15V (differential or common-mode)
*Separate strobe input for each receiver
* 1/2 VCC strobe threshold for CMOS compatibility
* 5k typical input impedance
* 50 mV input hysteresis
* Operation voltage range = 4.5V to 15V
*Separate fail-safe mode
* Input voltage range of ±15V (differential or common-mode)
*Separate strobe input for each receiver
* 1/2 VCC strobe threshold for CMOS compatibility
* 5k typical input impedance
* 50 mV input hysteresis
* Operation voltage range = 4.5V to 15V
*Separate fail-safe mode
DS78C120
PDF/DataSheet Download
- Datasheet: DS78C120
- File Size: 188232 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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