Texas Instruments

TLV320AIC22CPTR

TLV320AIC22CPTR Description

The TLV320AIC22CPTR from Texas Instruments is a dual-channel VOIP (Voice over IP) CODEC designed for high-quality audio processing in digital communication systems. Packaged in a 48-LQFP and available in Tape & Reel (TR), this IC integrates two 16-bit ADCs and two 16-bit DACs with Sigma-Delta modulation, ensuring superior signal fidelity. It operates with analog supply voltages of 2.7V–3.6V and digital supply voltages of 1.65V–1.95V, making it suitable for low-power embedded applications. Although marked as "Not For New Designs", it remains a reliable choice for legacy systems requiring high dynamic range (87dB ADC / 92dB DAC) and excellent SNR (84dB ADC / 92dB DAC).

TLV320AIC22CPTR Features

• Dual 16-bit ADCs/DACs: Supports stereo audio capture and playback with Sigma-Delta technology for minimal distortion.
• Wide Dynamic Range: 92dB (DAC) and 87dB (ADC) ensure clarity in voice and audio transmission.
• Low-Voltage Operation: Dual-supply design (1.65V–1.95V digital, 2.7V–3.6V analog) optimizes power efficiency.
• Serial Data Interface: Simplifies integration with DSPs and microcontrollers.
• VOIP-Optimized: Tailored for voice-centric applications with low latency and high noise immunity.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.

TLV320AIC22CPTR Applications

• VOIP Systems: Ideal for IP phones, conference systems, and gateways due to its low-latency audio processing.
• Embedded Audio: Suitable for industrial intercoms, medical voice terminals, and automotive hands-free kits.
• Legacy Audio Equipment: Maintains performance in retrofit designs requiring high-resolution analog-digital conversion.

Conclusion of TLV320AIC22CPTR

The TLV320AIC22CPTR excels in VOIP and voice-processing applications, offering high SNR, low power consumption, and robust integration. While not recommended for new designs, its proven performance in dual-channel audio systems makes it a dependable choice for maintaining or upgrading existing infrastructure. Engineers valuing reliability over cutting-edge availability will find this CODEC a pragmatic solution.