SSM2019BRWZRL

Overview

The SSM2019BRWZRL is a self-contained audio preamplifier manufactured by Analog Devices Inc. It features true differential inputs and unity gain stability, requiring only one external gain set resistor or potentiometer. Key electrical specifications include an input referred voltage noise density of 1.0 nV/√Hz at G=1000, total harmonic distortion plus noise below 0.01% at G=100, and a small-signal bandwidth of 1 MHz at G=100. The device operates on supply voltages ranging from ±5 V to ±18 V with a typical supply current of 4.6 mA. It supports an operating temperature range from –40°C to +85°C and is housed in a 16-lead wide body SOIC package.

Feature Summary

• Ultra-low noise performance with a 1.5 dB noise figure
• Unity gain stable operation with true differential inputs
• Simplified design requiring only a single external component for gain setting
• High slew rate and wide bandwidth suitable for professional audio

Applications

• Audio mix consoles
• Intercom and paging systems
• Sonar equipment
• Digital audio systems

Procurement Notes

Verify the specific suffix RL indicates reel packaging when sourcing. Confirm RoHS compliance status via the Z suffix designation if required by assembly standards. Ensure the 16-lead SOIC footprint matches the PCB layout constraints. Check for extended temperature range availability if operating conditions exceed standard industrial limits.

Selection Notes

Select this component for applications demanding high fidelity with minimal external circuitry. The differential input architecture provides superior common-mode rejection compared to single-ended alternatives. Consider the low noise density for microphone preamplification stages where signal integrity is critical. Verify that the required gain settings align with the available external resistor values for optimal accuracy.

Part Context

This part belongs to the SSM2019 series of audio preamplifiers from Analog Devices. It is designed to combine advanced processing with established preamplifier expertise. The series targets professional and consumer audio markets. It serves as a monolithic solution for instrumentation amplification tasks requiring high gain capability.

Replacement Considerations

SSM2019BRNZRL is a compatible alternative offering the same functionality in an 8-lead narrow body SOIC package.