Texas Instruments

PCM3500E

PCM3500E Description

The PCM3500E from Texas Instruments is a high-performance 16-bit CODEC belonging to the SoundPlus™ series, designed for voice and modem applications. This surface-mount IC integrates a single ADC and DAC with a serial data interface, supporting both analog and digital voltage supplies ranging from 2.7V to 3.6V. With a dynamic range of 88 dB (ADC) and 92 dB (DAC) and an equivalent signal-to-noise ratio (SNR), it delivers exceptional audio clarity and precision. The device is RoHS3 compliant, REACH unaffected, and features a moisture sensitivity level (MSL) of 1, making it robust for industrial environments. Packaged in a 24-SSOP tube, it is ideal for compact, high-reliability designs.

PCM3500E Features

• High Dynamic Range & SNR: 88 dB (ADC) / 92 dB (DAC) ensures superior audio fidelity.
• Low Power Operation: 2.7V–3.6V dual supply minimizes power consumption.
• Sigma-Delta Architecture: Enhances noise performance and signal integrity.
• Serial Data Interface: Simplifies integration with microcontrollers and DSPs.
• Industrial Robustness: MSL 1, RoHS3 compliant, and REACH unaffected for harsh environments.
• Compact Form Factor: 24-SSOP package saves board space.

PCM3500E Applications

The PCM3500E excels in:

• Voice Processing Systems: VoIP, telephony, and conferencing equipment.
• Modem and Communication Devices: Reliable signal conversion for data transmission.
• Portable Audio Devices: Battery-powered applications due to low-voltage operation.
• Industrial Audio Interfaces: Noise-resistant solutions for factory automation.

Conclusion of PCM3500E

The PCM3500E stands out for its high-resolution audio performance, low-power design, and industrial durability, making it a top choice for voice and modem applications. Its Sigma-Delta architecture and compact packaging provide a competitive edge in space-constrained, high-fidelity systems. Texas Instruments’ reputation for reliability further ensures its suitability for demanding environments.