LM96530SQE/NOPB

Specialized Overview

The LM96530SQE/NOPB is an eight-channel monolithic high-voltage transmit/receive switch designed for multi-channel medical ultrasound applications. It features integrated clamping diodes that limit output voltage to ±0.7V, protecting low-noise amplifier inputs from high-voltage pulses up to ±60V. The device supports transducer frequencies from 1MHz to 20MHz and accepts continuous-wave signals within the specified input range. Control is managed via a CMOS SPI-compatible interface with daisy-chain capability. Key electrical parameters include an on-resistance of 18Ω, off-isolation of -58dB at 5MHz, and noise spectral density of 0.5nV/√Hz at 5MHz. It operates on dual 5V analog supplies and a 2.5V to 3.3V logic supply.

Specialized Feature Summary

• Eight-channel high-voltage receive side switches without charge injection
• Integrated output clamping diodes limiting output to ±0.7V
• Soft-switcher based on a diode bridge architecture yielding better noise performance
• SPI compatible bus control with per-channel-selectable switching

Specialized Applications

• Ultrasound imaging systems
• Receive protection for low-noise amplifiers
• Receive multiplexing in multi-channel arrays

Specialized Procurement Notes

Verify the specific suffix 'SQE' against official documentation, as standard listings often reference 'SQ'. Confirm moisture sensitivity levels and lead finish specifications required for your assembly process. Ensure the component meets RoHS compliance standards applicable to your region before finalizing procurement orders.

Specialized Selection Notes

Select this component for portable ultrasound systems requiring low power consumption and high-speed switching. Verify that the external resistor values set the bias current source appropriately for your harmonic distortion requirements. Ensure the VSUB supply remains the most negative voltage during all power-up and power-down sequences to prevent damage.

Specialized Part Context

The LM96530 is part of the Texas Instruments LM965XX chipset series, which provides a complete solution for medical ultrasound. It is designed to work in conjunction with other components in the series to support low-power, portable imaging systems. The device utilizes a WQFN package suitable for surface mount technology.

Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided datasheet.