CLC5903VLA/NOPB

Overview

The CLC5903VLA/NOPB is a dual digital tuner and automatic gain control (AGC) integrated circuit manufactured by Texas Instruments. It operates on supply voltages of 1.8 V or 3.3 V with a maximum operating current of 120 mA. The device supports frequencies up to 78 MHz and functions within a temperature range of -40°C to +85°C. It is housed in a 128-pin QFP package measuring 14x20 mm. This component is classified under wireless and RF integrated circuits, utilizing silicon technology.

Feature Summary

• Integrates dual digital tuning capabilities with automatic gain control functionality
• Supports low-voltage operation at 1.8 V and 3.3 V
• Designed for satellite signal processing applications

Applications

• Satellite receiver systems
• RF signal processing modules
• Wireless communication equipment requiring dual tuning

Procurement Notes

This component is currently listed as obsolete or discontinued by the manufacturer. Availability is restricted, and sourcing may require checking secondary market distributors. Verify lifecycle status and lead times carefully before design finalization. Ensure compliance with RoHS standards as indicated in official documentation. Confirm package integrity upon receipt due to potential long-term storage conditions.

Selection Notes

Select this part only if legacy compatibility with existing satellite tuner designs is required. The 128-pin QFP package necessitates specific PCB layout considerations for thermal management and signal integrity. Verify that the 78 MHz frequency limit meets system requirements. Consider alternative modern components if new designs are permitted, as this part is no longer in active production.

Part Context

The CLC5903 series belongs to Texas Instruments' portfolio of RF and wireless integrated circuits. Specifically designed for satellite tuner applications, these chips combine digital tuning and AGC functions. The VLA suffix denotes the specific package variant and temperature rating. This component represents an older generation of RF ICs, now largely superseded by newer technologies.

Replacement Considerations

No direct public substitute part numbers are confirmed in the provided documentation. Due to the obsolete status, engineers must evaluate functional equivalents from other manufacturers or redesign using newer TI components. Cross-reference pinouts and electrical characteristics carefully when considering alternatives.