SSM2019BNZ

Overview

The SSM2019BNZ is a self-contained audio preamplifier from Analog Devices Inc., designed for professional and consumer audio equipment. It features ultra-low noise performance with a 1.5 dB noise figure and total harmonic distortion below 0.01% at a gain of 100. The device offers wide bandwidth, reaching 1 MHz at G=100, and a high slew rate of 16 V/µs at G=10. It operates on supply voltages ranging from ±5 V to ±18 V and requires only one external resistor to set the voltage gain. The component is unity gain stable and supports true differential inputs.

Feature Summary

• Ultra-low noise performance with a 1.5 dB noise figure
• Total harmonic distortion below 0.01% at G = 100
• Wide bandwidth exceeding 1 MHz at G = 100
• High slew rate of 16 V/µs at G = 10

Applications

• Audio mix consoles
• Intercom and paging systems
• Two-way radio equipment
• Sonar systems
• Digital audio systems

Procurement Notes

Verify that the ordering suffix BNZ corresponds to the 8-Lead PDIP package option. Confirm RoHS compliance status as indicated by the Z suffix in the official documentation. Ensure the operating temperature range meets the specific environmental requirements of the target application before finalizing procurement.

Selection Notes

Select this component when designing microphone preamplifiers or bus summing amplifiers requiring low noise instrumentation. The single external gain resistor simplifies circuit design. Verify that the required gain accuracy aligns with the tolerance of the chosen external resistor, as total gain accuracy depends on both the internal circuitry and the external component specifications.

Part Context

The SSM2019 series represents a latest generation audio preamplifier combining specialized design expertise with advanced processing. It is engineered to deliver excellent audio performance from a monolithic device. The series includes variants such as the BRNZ and BRWZ, offering different package options while maintaining consistent electrical characteristics across the product line.

Replacement Considerations

SSM2019BRNZ (8-Lead SOIC_N)

FAQ

How is the voltage gain determined for the SSM2019?

The voltage gain is set using a single external resistor connected between pins 1 and 8. The gain equation is G = (10 kΩ / RG) + 1.

What is the input configuration of the SSM2019?

The SSM2019 features true differential inputs, allowing it to interface directly with balanced transducers for high noise immunity.