Overview
The SN75155DE4, produced by Texas Instruments, is a monolithic line driver and receiver designed to meet the requirements of the standard interface between data terminal equipment and data communication equipment as defined by ANSI EIA/TIA-232-E and ITU Recommendation V.28. This component is part of the SN75155 family and is characterized for operation from 0°C to 70°C. Although the SN75155 is now obsolete, it was widely used in various communication systems due to its robust features and compatibility with industry standards.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage, VCC+ | 4.5 | 12 | 15 | V |
| Supply Voltage, VCC− | −4.5 | −12 | −15 | V |
| Output Voltage, Driver, VO(D) | ±15 | V | ||
| Input Voltage, Receiver, VI(R) | −25 | 25 | V | |
| High-Level Input Voltage, Driver, VIH | 2 | V | ||
| Low-Level Input Voltage, Driver, VIL | 0.8 | V | ||
| Response Control Current | ±5.5 | mA | ||
| Output Current, Receiver, IO(R) | 24 | mA | ||
| Operating Free-Air Temperature, TA | 0 | 70 | °C |
Key Features
- Meets or exceeds the requirements of ANSI EIA/TIA-232-E and ITU Recommendation V.28.
- 10-mA current limited output.
- Wide range of supply voltage: VCC = 4.5 V to 15 V.
- Low power consumption: 130 mW.
- Built-in 5-V regulator.
- Response control provides input threshold shifting and input noise filtering.
- Power-off output resistance: 300 Ω (typical).
- Driver input is TTL compatible.
Applications
The SN75155DE4 is suitable for various data communication applications, including:
- Data terminal equipment (DTE) and data communication equipment (DCE) interfaces.
- Serial communication systems adhering to ANSI EIA/TIA-232-E and ITU V.28 standards.
- Industrial control systems requiring reliable serial communication.
- Embedded systems needing robust serial interface capabilities.
Q & A
- What are the primary standards that the SN75155DE4 complies with?
The SN75155DE4 complies with ANSI EIA/TIA-232-E and ITU Recommendation V.28 standards.
- What is the operating temperature range of the SN75155DE4?
The operating temperature range is from 0°C to 70°C.
- What is the range of supply voltage for the SN75155DE4?
The supply voltage range is from 4.5 V to 15 V for VCC+ and from -4.5 V to -15 V for VCC-.
- Does the SN75155DE4 have built-in noise filtering capabilities?
- Is the driver input of the SN75155DE4 TTL compatible?
- What is the typical power consumption of the SN75155DE4?
The typical power consumption is 130 mW.
- What is the maximum output current of the receiver section?
The maximum output current of the receiver section is 24 mA.
- Is the SN75155DE4 still in production?
No, the SN75155 is obsolete and no longer in production by Texas Instruments.
- What is the purpose of the built-in 5-V regulator in the SN75155DE4?
The built-in 5-V regulator helps in stabilizing the voltage supply within the device.
- What is the typical power-off output resistance of the SN75155DE4?
The typical power-off output resistance is 300 Ω.
