PCM3794ARHBT

Codecs Overview

The PCM3794ARHBT is a low-power stereo audio CODEC by Texas Instruments, housed in a 32-pin VQFN package. It features 16-bit resolution with a conversion rate of 50 kHz. The device includes two ADCs and two DACs, supporting serial interfaces such as I2C and SPI. Operating voltage ranges from 1.71 V to 3.6 V. It delivers an SNR of 90 dB for the ADC and 93 dB for the DAC, with THD+N of 0.009% for the ADC and 0.3% for the DAC. The component operates within a temperature range of -40°C to +85°C.

Codecs Feature Summary

• Integrates a headphone amplifier, notch filter, automatic level control (ALC), and 3D sound effects
• Designed for ultra-low power consumption in portable audio applications
• Supports digital microphone input via serial interface

Codecs Applications

• Portable media players
• Mobile phones and smartphones
• Digital voice recorders

Codecs Procurement Notes

Verify the specific suffix 'ARHBT' against the manufacturer's official datasheet to confirm pinout and electrical characteristics. Ensure the procurement channel provides valid RoHS compliance documentation. Confirm that the supply source offers genuine components with traceable manufacturing dates to avoid counterfeit risks associated with this integrated circuit.

Codecs Selection Notes

Select this component when a stereo audio solution with integrated headphone amplification and advanced digital filtering is required. It is suitable for battery-operated devices due to its low power profile. Consider the 32-VQFN package constraints and the need for I2C or SPI compatibility when designing the system architecture.

Codecs Part Context

This part belongs to the PCM3793 series of audio CODECs from Texas Instruments. It is designed to replace older discrete audio solutions by integrating multiple functions into a single chip. The series focuses on reducing board space and power usage in consumer electronics.

Codecs Replacement Considerations

The PCM3794RHBT is a related variant within the same product family. Verify functional equivalence regarding pinout and specifications before substitution.