DS21352LBN

Telecom Overview

The DS21352LBN is a single-channel T1 transceiver manufactured by Analog Devices Inc./Maxim Integrated, designed for telecommunications interface applications. It operates within a supply voltage range of 3.135 V to 3.465 V and draws a typical supply current of 75 mA. The device supports data rates up to 2.048 Mb/s and features HDLC and T1 interfaces. It is housed in a 100-pin LQFP package with dimensions of 14 x 14 mm. The component is rated for an operating temperature range from -40°C to +85°C and carries a Moisture Sensitivity Level (MSL) of 3.

Telecom Feature Summary

• Integrates full T1 transceiver functionality on a single chip
• Supports High-Level Data Link Control (HDLC) framing
• Compatible with standard T1 line coding requirements

Telecom Applications

• T1 digital transmission systems
• Telecommunications network equipment
• Data communication interfaces

Telecom Procurement Notes

Verify the specific suffix 'LBN' against official manufacturer documentation, as standard listings often reference 'LN+' or 'L+'. Confirm RoHS compliance status, noting that some variants may be lead-free while others are not. Check for End-of-Life (EOL) notices, as discontinuance dates vary by region and distributor. Ensure the package type matches the required PCB footprint before ordering.

Telecom Selection Notes

Select this component for designs requiring a single-channel T1 interface with integrated HDLC support. Verify that the 100-LQFP package fits the available board space. Ensure the power supply can maintain the specified voltage range under all load conditions. Consider thermal management capabilities given the operating temperature range and package size.

Telecom Part Context

This part belongs to the DS21352/DS21552 family of single-chip T1 transceivers. The DS21352 variant typically operates at 3.3V, while the DS21552 operates at 5V. The 'L' suffix usually denotes a lower power or specific temperature grade, and 'B' may indicate a specific package or testing variant. This family is widely used in legacy and modern telecom infrastructure.

Telecom Replacement Considerations

Publicly confirmed substitute part numbers for the DS21352LBN are not available in the provided source material. Cross-reference tools suggest checking for DS21352LN+ or DS21352LB+, but functional equivalence must be verified via official datasheets.