DS1691AJ-SMD Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
Texas Instruments DS1691AJ-SMD is an RS-422 differential line driver/receiver interface IC for high-speed serial data transmission. It supports balanced differential signaling over long cable runs at data rates up to several Mbps and is housed in a ceramic DIP package for high-reliability applications. Suitable for industrial networks, military communications, and rugged embedded data link designs.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- DS1691AJ-SMD Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of DS1691AJ-SMD?
- RS-422 differential line driver and receiver supporting balanced signaling over cable lengths up to 1200 m
- High-speed serial interface supporting data rates up to several Mbps for industrial and military communication links
- Ceramic DIP package providing superior thermal stability and reliability in harsh-environment and military-grade applications
- Differential output with high noise immunity compliant with RS-422 standard for robust long-distance data transmission
What is DS1691AJ-SMD used for?
The DS1691AJ-SMD is designed for industrial automation networks, military communication links, and rugged data acquisition systems requiring long-distance RS-422 differential serial communication. Its ceramic DIP package offers high thermal reliability for operation across the extended military temperature range of -55°C to 125°C. The RS-422 differential interface provides superior noise rejection compared to single-ended RS-232 on cable runs extending to 1200 m at reduced data rates.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the DS1691AJ-SMD datasheet?
DS1691AJ-SMD Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for DS1691AJ-SMD?
Compatible alternatives and drop-in replacements for DS1691AJ-SMD:
Frequently Asked Questions
What communication standard does the DS1691AJ-SMD implement and what cable length does it support?
The DS1691AJ-SMD implements the RS-422 balanced differential serial communication standard, which supports cable lengths up to approximately 1200 m at low data rates or shorter distances at higher speeds such as several Mbps. The differential signaling provides excellent noise immunity compared to single-ended RS-232, making it suitable for industrial and military long-distance links.
Why is the ceramic DIP package of the DS1691AJ-SMD preferred in military or high-reliability designs?
The ceramic DIP package on the DS1691AJ-SMD offers higher thermal stability, lower moisture absorption, and longer operational life than plastic DIP or surface-mount alternatives. This makes it preferred for military-grade and aerospace applications where components must withstand -55°C to 125°C temperature extremes, humidity, and vibration over extended service lifetimes exceeding plastic package ratings.
How does the DS1691AJ-SMD's RS-422 differential interface improve noise immunity versus RS-232?
RS-422 uses balanced differential signaling where data is represented by the voltage difference between two wires rather than a single wire relative to ground. This rejects common-mode noise — such as 50/60 Hz interference or ground potential differences of up to several volts — that would corrupt RS-232 signals, enabling reliable data transmission at Mbps rates across industrial factory floors with electromagnetic interference.
In which industrial or embedded communication scenarios is the DS1691AJ-SMD commonly deployed?
The DS1691AJ-SMD is deployed in PLC-to-sensor RS-422 networks, industrial motion controller data links, military communication equipment, and data acquisition system serial backplanes. Its ceramic DIP package and RS-422 compliance support point-to-point and multi-drop bus topologies with up to 10 receivers on a single driver output across cable distances up to 1200 m in noisy plant environments.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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