NJM2520M#

Audio Special Purpose Overview

The NJM2520M is a 2-input, 1-output audio switch IC manufactured by Nisshinbo Micro Devices Inc. It features a typical input impedance of 58 kΩ and operates within a supply voltage range of +4.75 V to +13 V. The device utilizes bipolar technology and provides a typical crosstalk rejection of -70 dB. Designed for surface-mount applications, it is housed in an 8-DMP package (8-SOIC, 5.30 mm width). The component supports an operating temperature range from -20°C to +75°C.

Audio Special Purpose Feature Summary

• 2-Input, 1-Output Audio Switch Configuration
• Operating Voltage Range: +4.75 V to +13 V
• Typical Input Impedance: 58 kΩ
• Typical Crosstalk Rejection: -70 dB
• Bipolar Technology

Audio Special Purpose Applications

• Audio Systems

Audio Special Purpose Procurement Notes

The NJM2520M is listed as End-of-Life (EOL) / Discontinued by major distributors such as Mouser and DigiKey. Procurement should be limited to existing stock or last-time buys. Verify the specific ordering suffix against the manufacturer's documentation to confirm the exact package type, as the NJM2520 series includes DIP8, DMP8, and SSOP8 variants.

Audio Special Purpose Selection Notes

Select the NJM2520M when a low-cost, single-channel audio switching solution with high input impedance is required. Ensure the application voltage remains within the +4.75 V to +13 V range to maintain specified electrical characteristics. Consider the 8-DMP package dimensions for PCB layout constraints. Verify that the required crosstalk performance meets the -70 dB typical specification for the intended audio signal path.

Audio Special Purpose Part Context

The NJM2520 belongs to the NJM2520 family of audio switches produced by Nisshinbo Micro Devices Inc. This family includes variations such as NJM2520V and NJM2520D, which differ primarily in packaging options like SSOP8 and DIP8. The component is categorized under Audio Special Purpose integrated circuits and serves as a fundamental building block for routing analog audio signals in consumer electronics.