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AM26LS31C 5V 32mA RS422, RS485 Driver SOIC-16
| Manufacturer |
TI
|
| Mfr. Part |
AM26LS31C |
| Package |
SOIC-16 |
| Key Attributes |
Quad differential line driver |
| Description |
4/0 Driver RS422, RS485 SOIC-16
|
15.00 EGP
Buy NowAM26LS31C 5V 32mA RS422, RS485 Driver SOIC-16
The AM26LS31C is a quad, complementary output, differential line driver designed for digital data transmission over balanced lines. It converts single-ended TTL/CMOS logic signals into balanced differential signals that comply with the ANSI TIA/EIA-422-B and ITU V.11 standards. This chip is essential for creating noise-immune communication links in industrial settings, as the differential signaling cancels out common-mode noise picked up by cables.
Each of the four independent drivers features tri-state outputs and dual enable controls (active-high G and active-low /G), allowing for flexible bus management. When disabled, the outputs enter a high-impedance state, making the device suitable for shared bus applications. Built with low-power Schottky technology, it offers a good balance of speed and power efficiency, reliably driving twisted-pair or parallel transmission lines.
Features:
- Complies with ANSI TIA/EIA-422-B and ITU V.11 standards.
- Operates from a single 5V power supply.
- TTL-compatible inputs.
- Complementary outputs for each channel.
- High output impedance when powered off or disabled.
- Complementary output-enable inputs (active high and active low).
- Designed for balanced line transmission.
- Available in military-grade qualified versions.
Specifications:
| Parameter | Symbol | Min | Typ | Max | Unit | Condition |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | 4.75 | 5 | 5.25 | V | AM26LS31C |
| High-Level Input Voltage | VIH | 2.0 | – | – | V | |
| Low-Level Input Voltage | VIL | – | – | 0.8 | V | |
| High-Level Output Voltage | VOH | 2.5 | – | – | V | IOH = -20mA |
| Low-Level Output Voltage | VOL | – | – | 0.5 | V | IOL = 20mA |
| Propagation Delay | tPLH, tPHL | – | 20 | – | ns | CL = 30pF |
| Output Short-Circuit Current | IOS | -30 | – | -150 | mA | |
| Supply Current (All disabled) | ICC | – | 32 | 80 | mA | |
| Operating Temperature | TA | 0 | – | 70 | °C | AM26LS31C |
Pinout:
| Pin | Name | I/O | Description |
|---|---|---|---|
| 1 | 1A | I | Logic Input for Driver 1. |
| 2 | 1Y | O | Non-Inverting Output for Driver 1. |
| 3 | 1Z | O | Inverting Output for Driver 1. |
| 4 | G | I | Output Enable (Active HIGH). |
| 5 | NC | – | No Connection. |
| 6 | 2Z | O | Inverting Output for Driver 2. |
| 7 | 2Y | O | Non-Inverting Output for Driver 2. |
| 8 | 2A | I | Logic Input for Driver 2. |
| 9 | 3A | I | Logic Input for Driver 3. |
| 10 | 3Y | O | Non-Inverting Output for Driver 3. |
| 11 | 3Z | O | Inverting Output for Driver 3. |
| 12 | /G | I | Output Enable (Active LOW). |
| 13 | 4Z | O | Inverting Output for Driver 4. |
| 14 | 4Y | O | Non-Inverting Output for Driver 4. |
| 15 | 4A | I | Logic Input for Driver 4. |
| 16 | VCC | PWR | Supply Voltage (+5V). |
Footprint:
Applications:
- Motor encoder interfaces.
- Industrial field transmitters (pressure, temperature sensors).
- RS-422/RS-485 data communication networks.
- Professional video and imaging equipment.
- Long-distance digital data transmission.
Packages:
- 1x AM26LS31C 5V 32mA RS422, RS485 Driver SOIC-16.
Documents:
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