Overview
The UA9638CDRG4, produced by Texas Instruments, is a dual high-speed differential line driver designed to meet the ANSI Standard EIA/TIA-422-B. This device is optimized for high-speed data transmission and is compatible with both TTL and CMOS inputs. It operates from a single 5V power supply and is available in an 8-pin SOIC package. The UA9638CDRG4 is characterized for operation from 0°C to 70°C, making it suitable for a variety of industrial and commercial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | 5 | 5.25 | V |
| Input Voltage Range (VI) | -0.5 | 7 | V | |
| Operating Free-Air Temperature (TA) | 0 | 70 | °C | |
| High-Level Input Voltage (VIH) | 2 | V | ||
| Low-Level Input Voltage (VIL) | 0.8 | V | ||
| High-Level Output Current (IOH) | -50 | mA | ||
| Low-Level Output Current (IOL) | 50 | mA | ||
| Differential Output Delay Time (td(OD)) | 10 | 20 | ns | |
| Differential Output Transition Time (tt(OD)) | 10 | 20 | ns | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 116.7 | °C/W |
Key Features
- Meets or exceeds ANSI Standard EIA/TIA-422-B.
- Operates from a single 5V power supply.
- Drives loads as low as 50Ω up to 15Mbps.
- TTL- and CMOS-input compatibility.
- Output short-circuit protection.
- Interchangeable with DS9638.
- Schottky-diode-clamped transistors to minimize propagation delay time.
Applications
- Factory automation.
- ATM and cash counters.
- Smart grid.
- AC and servo motor drives.
Q & A
- What is the operating voltage range of the UA9638CDRG4?
The UA9638CDRG4 operates from a single 5V power supply, with a voltage range of 4.75V to 5.25V. - What are the compatible input types for the UA9638CDRG4?
The UA9638CDRG4 is compatible with both TTL and CMOS inputs. - What is the maximum data transmission speed supported by the UA9638CDRG4?
The UA9638CDRG4 can drive loads up to 15Mbps. - What are the typical applications of the UA9638CDRG4?
The UA9638CDRG4 is used in factory automation, ATM and cash counters, smart grid, and AC and servo motor drives. - What is the operating temperature range of the UA9638CDRG4?
The device is characterized for operation from 0°C to 70°C. - Does the UA9638CDRG4 have output short-circuit protection?
Yes, the UA9638CDRG4 has output short-circuit protection. - What package types are available for the UA9638CDRG4?
The UA9638CDRG4 is available in an 8-pin SOIC package. - What is the junction-to-ambient thermal resistance of the UA9638CDRG4 in SOIC package?
The junction-to-ambient thermal resistance (RθJA) is 116.7°C/W for the SOIC package. - Is the UA9638CDRG4 RoHS compliant?
Yes, the UA9638CDRG4 is RoHS compliant. - What is the differential output delay time of the UA9638CDRG4?
The differential output delay time (td(OD)) is between 10ns and 20ns.
