Texas Instruments TLV320AIC3263IYZFT

Overview

TLV320AIC3263IYZFT from Texas Instruments is a low-power stereo audio codec with integrated miniDSP, DirectPath™ headphone driver, and Class-D speaker amplifier. It delivers 101dB DAC SNR, 93dB ADC SNR, 30mW headphone drive at 48kHz, 1.7W Class-D output into 8Ω, and supports 8–192kHz sample rates. It serves as the central audio processing and interface IC in portable battery-powered devices requiring high-fidelity playback, multi-mic recording, and real-time DSP.

For engineers reviewing the TLV320AIC3263IYZFT datasheet, TLV320AIC3263IYZFT pinout, TLV320AIC3263IYZFT application, or TLV320AIC3263IYZFT equivalent, this page provides verified technical context, WCSP-81 package mapping, PowerTune™ power-SNR tradeoff control, three independent digital audio interfaces (I²S/TDM/PCM), and SAR ADC-based system monitoring - all confirmed for the exact IYZFT variant.

Technical Context

The TLV320AIC3263IYZFT implements dual fully programmable miniDSP cores-one in the record path and one in playback-enabling application-specific algorithms like active noise cancellation and acoustic echo cancellation. Its PowerTune™ architecture dynamically adjusts power consumption versus SNR across use cases, supporting mono 8kHz voice up to stereo 192kHz high-resolution audio.

It integrates three independent digital audio serial interfaces (each configurable for I²S, TDM, RJF, LJF, or mono PCM), each with separate IOVDD domains for mixed-voltage system integration. The device uses a fractional-N PLL with 512kHz–50MHz input range and optional low-frequency clock multiplier to generate internal clocks without external crystal dependency.

Key Specifications

Pinout & Package

The TLV320AIC3263IYZFT is housed in a 4.81 mm × 4.81 mm × 0.625 mm 81-ball WCSP (DSBGA) package (YZF designation), optimized for ultra-thin portable designs with minimal PCB footprint and thermal resistance (θJA = 39.1°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar stereo audio codec applications.

Compared with TLV320AIC3263IYZFT, the TLV320AIC3254IRGZT saves board area but requires external speaker amplification, while the WM8960EGEFL/V offers lower BOM cost but lacks PowerTune™ and miniDSP flexibility - making TLV320AIC3263IYZFT optimal for advanced portable audio with integrated processing and power-aware operation.

Availability

TLV320AIC3263IYZFT is available at Aetrix Electronics and suitable for mobile handsets, tablets, portable navigation devices, and ANC headsets requiring stable component supply, long-term lifecycle support, and traceable sourcing for production ramp.

Supply support for TLV320AIC3263IYZFT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with over 50 years of innovation in precision signal chain and power management solutions.

The TLV320AIC3263IYZFT belongs to TI's ultra-low-power audio codec product line, designed specifically for battery-operated portable devices demanding high SNR, integrated DSP, and minimal power-per-feature - from smartphones to hearables.

FAQ

What is the primary function of the TLV320AIC3263IYZFT in a portable audio system?

The TLV320AIC3263IYZFT serves as a complete stereo audio subsystem: it digitizes analog microphone inputs with 93 dB SNR, converts digital audio to analog with 101 dB SNR, drives headphones directly via DirectPath™, powers speakers via integrated Class-D, and runs real-time DSP algorithms - all within a single 4.81 mm × 4.81 mm WCSP package. This consolidates multiple discrete functions into one IC, reducing BOM count and PCB area in devices like tablets and ANC headsets.

Does the TLV320AIC3263IYZFT support both I²C and SPI control interfaces?

Yes, the TLV320AIC3263IYZFT supports both I²C and SPI control interfaces. The mode is selected by the hardware pin SPI_SELECT: logic high enables SPI (with SCLK, SDI, SDO, and CS), while logic low enables I²C (using SCL and SDA). This dual-interface capability allows seamless integration with diverse host processors - whether microcontrollers with limited I/O or application processors with robust SPI peripherals - without requiring firmware changes.

How does PowerTune™ technology benefit battery life in TLV320AIC3263IYZFT-based designs?

PowerTune™ in the TLV320AIC3263IYZFT dynamically scales power consumption against SNR requirements: for example, DAC playback drops from 2.7 mW at 48 kHz (101 dB SNR) to sub-1 mW in ultra-low-power voice modes. This enables extended talk time in mobile handsets and longer navigation session duration in PNDs - without sacrificing audio quality when needed - by adapting to use-case demands rather than running at fixed maximum performance.

Can the TLV320AIC3263IYZFT interface with digital microphones?

Yes, the TLV320AIC3263IYZFT supports up to four simultaneous digital microphones via PDM inputs. Its record path accepts PDM streams at 64Fs or 128Fs sampling rates and converts them to PCM internally - eliminating the need for external PDM-to-PCM converters. This capability is essential for modern voice-first devices such as smart speakers and ANC earbuds, where multiple mics are used for beamforming and noise rejection.

What package type and pin count does the TLV320AIC3263IYZFT use?

The TLV320AIC3263IYZFT uses an 81-ball WCSP (Wafer Chip Scale Package), also designated DSBGA or YZF, measuring 4.81 mm × 4.81 mm × 0.625 mm. This ultra-compact package features 0.4 mm ball pitch and is optimized for thin-profile portable electronics. All 81 balls are assigned to power, analog I/O, digital audio, control, and ground functions - with no unused or NC pins - ensuring full functionality in minimal board area.