MC1488
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The MC1488 is a quad line driver IC designed for digital data communication. It converts standard TTL logic levels to RS-232 signals, making it suitable for serial communication interfaces.
Key Features:
- Quad Line Driver: Contains four independent drivers, each capable of converting TTL input levels to RS-232 output levels.
- Wide Supply Voltage Range: Operates typically from ±12V power supplies.
- High Output Voltage Swing: Outputs RS-232 compliant signals with voltage levels up to ±15V.
- Short-Circuit Protection: Includes internal circuitry to protect against output short circuits.
- High Data Rate: Capable of operating at high data rates, typically up to 120 kbps.
- Package Type: Available in various packages, including DIP-14 and SOIC-14.
- Input Voltage Levels: Compatible with standard TTL logic levels.
- Output Voltage Levels: ±10V to ±15V (RS-232 compliant)
- Output Current: Capable of sourcing and sinking current required for RS-232 communication.
- Propagation Delay: Typically 1 μs
- Operating Temperature Range: 0°C to +70°C
- RS-232 Communication: Ideal for interfacing TTL logic with RS-232 serial ports.
- Data Communication: Used in modems, computers, and other devices requiring serial data transmission.
- Instrumentation: Applied in communication interfaces for test and measurement equipment.
- Industrial Automation: Used in industrial control systems for serial communication.
- Embedded Systems: Provides RS-232 level conversion in microcontroller-based systems.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment