Overview
The SN65C1167ENSR, produced by Texas Instruments, is a dual differential driver and receiver integrated circuit designed to meet or exceed the standards of TIA/EIA-422-B and ITU recommendation V.11. This device operates from a single 5V power supply and is built using BiCMOS process technology. It features low supply-current requirements, low pulse skew, and glitch-free power-up and power-down protection, making it suitable for various industrial and communication applications.
Key Specifications
| Parameter | Minimum | Nominal | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Common-mode Input Voltage (VIC) | -7 | - | 7 | V |
| Differential Input Voltage (VID) | -7 | - | 7 | V |
| Input Voltage (VI) | 0 | - | 5.5 | V |
| Output Voltage (VO) | 0 | - | VCC | V |
| High-level Input Voltage (VIH) | - | 2 | - | V |
| Low-level Input Voltage (VIL) | - | 0.8 | - | V |
| High-level Output Current (IOH) | -6 | - | - | mA |
| Low-level Output Current (IOL) | - | - | 6 | mA |
| Operating Free-air Temperature (TA) | -40 | - | 85 | °C |
| Receiver Input Impedance | - | 17kΩ | - | Ω |
| Receiver Input Sensitivity | - | ±200mV | - | mV |
| ESD Protection (HBM) | - | ±15kV | - | kV |
| ESD Protection (IEC 61000-4-2) | - | ±8kV | - | kV |
Key Features
- Meet or exceed standards TIA/EIA-422-B and ITU recommendation V.11
- Operate from a single 5V power supply
- ESD Protection for RS-422 bus pins: ±15kV Human-body model (HBM), ±8kV IEC 61000-4-2 (Contact and Air-gap discharge)
- Low supply-current requirements: 9mA maximum
- Low pulse skew
- Receiver input impedance: 17kΩ (Typical)
- Receiver input sensitivity: ±200mV
- Receiver common-mode input voltage range of –7V to +7V
- Glitch-free power-up and power-down protection
- Receiver 3-state outputs active-low enable (SN65C1167E only)
Applications
- AC and servo motor drives
- Factory automation and control
- Building automation
- Wireless infrastructure
Q & A
- What are the main standards that the SN65C1167ENSR complies with?
The SN65C1167ENSR meets or exceeds the standards of TIA/EIA-422-B and ITU recommendation V.11.
- What is the operating voltage range of the SN65C1167ENSR?
The device operates from a single 5V power supply, with a voltage range of 4.5V to 5.5V.
- What level of ESD protection does the SN65C1167ENSR offer?
The device offers ±15kV ESD protection according to the Human-body model (HBM) and ±8kV according to IEC 61000-4-2 (Contact and Air-gap discharge).
- What is the typical receiver input impedance of the SN65C1167ENSR?
The receiver input impedance is typically 17kΩ.
- What is the receiver input sensitivity of the SN65C1167ENSR?
The receiver input sensitivity is ±200mV.
- What is the common-mode input voltage range for the receiver?
The receiver common-mode input voltage range is –7V to +7V.
- Does the SN65C1167ENSR have glitch-free power-up and power-down protection?
Yes, the device features glitch-free power-up and power-down protection.
- What are some typical applications of the SN65C1167ENSR?
Typical applications include AC and servo motor drives, factory automation and control, building automation, and wireless infrastructure.
- What is the operating temperature range of the SN65C1167ENSR?
The operating free-air temperature range is –40°C to 85°C.
- How many drivers and receivers does the SN65C1167ENSR have?
The device consists of dual drivers and dual receivers.
- What is the package type and size of the SN65C1167ENSR?
The device is available in SO (16-pin), TSSOP (16-pin), and VQFN (16-pin) packages with various sizes.
