Texas Instruments TLV320AIC3206IYZFR

Overview

TLV320AIC3206IYZFR from Texas Instruments is an ultra-low-power stereo audio codec IC with integrated stereo ADC (93-dB SNR) and DAC (100-dB SNR), ground-centered headphone outputs, programmable microphone bias, and PowerTune™ dynamic power scaling. It supports six single-ended or three fully-differential analog inputs, stereo digital microphone interfaces, and operates at 5.2-mW ADC and 5.8-mW DAC power consumption at 48-ksps.

For engineers reviewing the TLV320AIC3206IYZFR datasheet, TLV320AIC3206IYZFR pinout, TLV320AIC3206IYZFR application, or TLV320AIC3206IYZFR equivalent, key selection considerations include its 42-ball DSBGA (YZF) package, I²C/SPI dual-control interface, 1.5–1.95-V AVdd supply range, 16Ω/32Ω headphone load support, and absence of miniDSP (distinguishing it from AIC3254/AIC3256).

Technical Context

The TLV320AIC3206IYZFR implements a fixed-function signal processing architecture with independent left/right ADC and DAC paths, each featuring programmable gain amplifiers (PGA), digital gain control (–6 to +29 dB in 1-dB steps), DRC, AGC, and volume control (–30 to 0 dB). Its PLL supports fractional/integer clock synthesis from 0.512–20 MHz MCLK input for flexible sample rate generation.

Digital audio interfacing uses primary and secondary I²S/LJF/RJF ports with configurable BCLK/WCLK/DIN/DOUT routing, plus SPI/I²C register access via shared SDA/SCL pins controlled by SPI_SELECT. The device integrates charge-pump-based negative voltage generation (VNEG) for ground-centered headphone drive and supports analog bypass mode for low-latency signal path routing.

Key Specifications

Pinout & Package

TLV320AIC3206IYZFR is packaged in a 42-ball, 3.49 mm × 3.29 mm DSBGA (WCSP) with 0.4-mm pitch. Thermal pad is not internally connected; must be tied to PCB ground plane.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV320AIC3256IRGZR and TLV320AIC3204IRGET, TLV320AIC3206IYZFR uniquely combines ground-centered headphone drive, ultra-low power, and WCSP packaging-enabling compact, battery-efficient portable audio without miniDSP overhead or external HP coupling components.

Availability

TLV320AIC3206IYZFR is available at Aetrix Electronics and suitable for portable media players, mobile handsets, and portable navigation devices requiring stable component supply and long-term industrial availability.

Supply support for TLV320AIC3206IYZFR 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 company specializing in analog and embedded processing technologies, with leadership in precision analog, power management, and signal chain solutions.

The TLV320AIC3206IYZFR belongs to TI's ultra-low-power audio codec product line, designed specifically for battery-operated portable electronics where audio fidelity, power efficiency, and small form factor are critical.

FAQ

What is the package type and dimensions of the TLV320AIC3206IYZFR?

The TLV320AIC3206IYZFR uses a 42-ball DSBGA (WCSP) package with nominal body size 3.49 mm × 3.29 mm and 0.4-mm ball pitch. It features an exposed thermal pad that must be connected to the PCB ground plane but is not internally connected to die substrate. This compact package enables high-density portable audio designs while maintaining thermal performance per RθJB = 7.7°C/W.

Does the TLV320AIC3206IYZFR support digital microphone (PDM) inputs?

Yes, the TLV320AIC3206IYZFR supports digital microphone inputs via its configurable digital interface. When SPI_SELECT = 0, the SCLK pin functions as a digital microphone clock input, and DIN (MFP1) accepts PDM data. The device includes dedicated PDM timing specifications (t_PDM) and supports synchronization with primary I²S clocks, enabling integration of up to two digital microphones without external clocking logic.

What is the maximum headphone output power of the TLV320AIC3206IYZFR?

The TLV320AIC3206IYZFR delivers 26.5 mW into a 16Ω load and 22.5 mW into a 32Ω load under ground-centered configuration with THD ≤ –40 dB. This is achieved using its integrated charge-pump circuit (VNEG, FLY_N, FLY_P pins) to generate a negative rail, enabling true 0-V centered output swing and eliminating the need for DC-blocking capacitors in headphone paths.

How does PowerTune™ operate in the TLV320AIC3206IYZFR?

PowerTune™ in the TLV320AIC3206IYZFR dynamically scales power by selectively disabling unused functional blocks-including individual ADC/DAC channels, PGA stages, DRC/AGC modules, and clock domains-based on real-time register configuration. It requires no host firmware intervention beyond standard register writes and reduces active power by up to 40% compared to full-enable mode, without compromising audio path integrity or timing accuracy.

Can the TLV320AIC3206IYZFR operate with a 1.5-V analog supply?

Yes, the TLV320AIC3206IYZFR supports AVdd from 1.5 V to 1.95 V, making it compatible with 1.5-V LDOs or single-cell lithium primary batteries. At 1.5-V AVdd, the device maintains full functionality including 93-dB ADC SNR and 100-dB DAC SNR, though full-scale output voltage decreases to 0.375 VRMS for line output and 0.5 VRMS for headphone output (CM = 0.75 V), as specified in the electrical characteristics tables.