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Texas Instruments TLV320AIC3212IYZFR
- Part No.:
- TLV320AIC3212IYZFR
- Manufacturer:
- Texas Instruments
- Category:
- CODECS
- Package:
- 81-UFBGA, DSBGA
- Datasheet:
-
TLV320AIC3212IYZFR.pdf
- Description:
- IC AUDIO CODEC W/AMP 81DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,018
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Product details
Overview
TLV320AIC3212IYZFR from Texas Instruments is an ultra-low-power stereo audio codec integrating stereo DAC (101 dB SNR), stereo ADC (93 dB SNR), 30-mW DirectPath™ headphone driver, 128-mW differential receiver driver, and 1.7-W stereo Class-D speaker amplifier - all in a single 4.81 mm × 4.81 mm DSBGA package. It serves as the central audio signal processor in portable battery-powered devices requiring simultaneous playback, recording, and analog bypass.
For engineers reviewing the TLV320AIC3212IYZFR datasheet, TLV320AIC3212IYZFR pinout, TLV320AIC3212IYZFR application, or TLV320AIC3212IYZFR equivalent, key selection considerations include its PowerTune™-enabled dynamic power-SNR trade-off, 8–192 kHz sample rate support, I²C/SPI configurability, and integrated SAR ADC for system voltage/temperature monitoring.
Technical Context
The TLV320AIC3212IYZFR implements a dual-path audio architecture with independent programmable digital signal processing blocks for playback and record paths, each supporting I²S, TDM, DSP, LJF, RJF, and mono PCM formats across three fully independent digital audio serial interfaces. Its playback path integrates two high-current DirectPath headphone drivers with internal charge pump for capacitorless operation and configurable stereo/mono BTL output routing.
The record path supports eight single-ended or four fully-differential analog inputs, stereo digital microphone PDM interface (64×/128× fs), programmable microphone preamplifier with bias generation, and flexible input mixing. The integrated PLL accepts 512 kHz–20 MHz input clocks and enables precise clock synthesis for asynchronous audio systems without external oscillators.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DAC SNR | 101 dB - Enables high-fidelity playback with minimal audible noise floor in portable media players. |
| ADC SNR | 93 dB - Supports clean voice capture and stereo recording at 48 kHz with low distortion. |
| Headphone Drive | 30 mW into 16 Ω - Delivers loud, capacitorless audio via DirectPath™ eliminating DC-blocking caps and saving PCB area. |
| Class-D Output | 1.7 W into 8 Ω @ 10% THD+N - Powers stereo speakers directly from 5.5 V supply with high efficiency. |
| Sample Rate Range | 8–192 kHz - Covers narrowband telephony to high-resolution audio, enabling single-device reuse across voice and music applications. |
| PowerTune™ Modes | Multiple selectable settings - Dynamically adjusts power consumption vs. SNR to match use case (e.g., low-power standby vs. docked high-fidelity mode). |
| SAR ADC Resolution | Programmable 8/10/12-bit - Measures battery voltage (VBAT) and on-chip temperature with ±2 LSB offset error and 2% accuracy. |
Pinout & Package
TLV320AIC3212IYZFR uses an 81-ball DSBGA (YZF) package measuring 4.81 mm × 4.81 mm × 0.625 mm, optimized for space-constrained portable designs. Ball pitch is 0.4 mm; solder mask defined pads; requires controlled-depth reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HPL / HPR | Headphone Output Driver | Ground-centered analog outputs supporting capacitorless connection to stereo headphones (16 Ω load). |
| SPKLP/SPKLM / SPKRP/SPKRM | Class-D Speaker Outputs | Differential outputs driving 8 Ω speakers; require external LC filter and 2.7–5.5 V supply (SLVDD/SRVDD). |
| RECP / RECM | Receiver Driver Outputs | Differential 32 Ω output stage for earpiece receivers; powered by dedicated 3.3 V rail (RECVDD_33). |
| IN1L/AUX1 / IN1R/AUX2 | Analog Input / SAR ADC Channel | High-impedance inputs usable for audio or capacitive sensing; also serve as auxiliary channels for 12-bit SAR ADC. |
| VBAT | Battery Monitoring Input | Direct connection to battery rail (2.2–5.5 V); enables real-time voltage telemetry without external divider. |
| I²C: SCL / SDA | Control Interface | Standard-mode (400 kHz) I²C bus for register configuration; shares pins with SPI when SPI_SELECT = 0. |
Key Features
| Feature | Design Value |
|---|---|
| DirectPath™ Headphone Driver | Eliminates 2× 220-µF DC-blocking capacitors per channel, reducing BOM cost and PCB footprint by >30 mm². |
| PowerTune™ Technology | Enables runtime selection of power-SNR operating points - e.g., 2.7 mW DAC playback at reduced SNR or 101 dB SNR at higher current. |
| Three Independent Audio Interfaces | Supports concurrent connection to baseband processor (I²S), Bluetooth SoC (TDM), and digital microphone array (PDM) without multiplexing delays. |
| Integrated SAR ADC | Measures VBAT and on-chip temperature using same analog front-end as audio inputs - no extra sensor or ADC required. |
| Programmable PLL + Low-Freq Clock Multiplier | Accepts 512 kHz–50 MHz input clocks and generates precise audio master clocks (e.g., 12.288 MHz for 48 kHz), removing need for multiple crystals. |
Applications
| Mobile Handsets | Tablets and eBooks |
|---|---|
Use Scenario: Simultaneous voice call (receiver + mic), music playback (headphones), and speaker-based navigation prompts. IC Role / Device Role / Timing Role: Central audio hub managing full duplex telephony, stereo playback, and analog bypass routing with sub-10 µs latency switching. Use Value: Single-chip integration reduces component count by 4+ discrete audio ICs and eliminates external clock generators. |
Use Scenario: High-SNR stereo recording of lectures, ambient audio capture for AR features, and low-distortion headphone playback during video consumption. IC Role / Device Role / Timing Role: Dual-path audio processor with independent clock domains for ADC/DAC, supporting 192 kHz sampling and real-time FIR filtering. Use Value: 93 dB ADC SNR and 101 dB DAC SNR enable professional-grade audio quality without external op-amps or converters. |
| Portable Navigation Devices (PND) | Portable Gaming Systems |
Use Scenario: Voice-guided turn-by-turn navigation with speaker output, while maintaining low quiescent current during GPS-only tracking mode. IC Role / Device Role / Timing Role: PowerTune™-managed audio subsystem that scales from 1.2 mW standby (mic bias only) to 1.7 W speaker drive on demand. Use Value: Extends battery life by >40% versus fixed-performance codecs during intermittent voice prompt usage. |
Use Scenario: Real-time game audio rendering with spatial effects, headset communication, and haptic feedback synchronization via GPIO-triggered interrupts. IC Role / Device Role / Timing Role: Audio timing controller providing synchronized DAC/ADC clocks, SAR ADC-triggered events (INT1/INT2), and GPIO-driven effect modulation. Use Value: Integrated interrupt generation (SAR ADC completion, clock errors) reduces host CPU polling overhead by 90%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar stereo audio codec applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV320AIC3262IRGZR | Includes configurable miniDSP (not present in TLV320AIC3212IYZFR); identical pinout and core audio specs. | Required for applications needing on-chip FIR/IIR filtering, acoustic echo cancellation, or parametric EQ without host CPU intervention. | Select TLV320AIC3262IRGZR only if miniDSP functionality is mandatory; otherwise TLV320AIC3212IYZFR offers lower cost and smaller firmware footprint. |
| TLV320AIC3204IRGET | Lacks Class-D speaker drivers and receiver driver; supports only line/headphone outputs; smaller 32-pin QFN package. | Suitable for compact devices where speaker amplification is handled externally or omitted entirely (e.g., Bluetooth earbuds). | Choose TLV320AIC3204IRGET when board space is critical and Class-D/receiver functions are unnecessary - saves ~25% PCB area but removes integrated amplification. |
Compared with TLV320AIC3262IRGZR and TLV320AIC3204IRGET, the TLV320AIC3212IYZFR uniquely balances full audio subsystem integration (DAC/ADC/HP/SPK/RCVR) with ultra-low power consumption and minimal external components - making it optimal for mid-tier portable devices requiring both performance and battery longevity.
Availability
TLV320AIC3212IYZFR is available at Aetrix Electronics and suitable for mobile handsets, tablets and eBooks, portable navigation devices (PND), and portable gaming systems requiring stable component supply, long-term lifecycle support, and consistent wafer fab sourcing.
Supply support for TLV320AIC3212IYZFR 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 and embedded processing technologies, with over 50 years of innovation in precision signal chain and power management solutions.
The TLV320AIC3212IYZFR belongs to TI's ultra-low-power audio codec product line, designed specifically for battery-operated portable electronics demanding high-fidelity audio, minimal power draw, and system-level integration of DAC, ADC, and amplification functions.
FAQ
What is the maximum sample rate supported by the TLV320AIC3212IYZFR?
The TLV320AIC3212IYZFR supports audio playback and recording from 8 kHz to 192 kHz across both DAC and ADC paths. This range covers narrowband telephony (8–16 kHz), standard CD-quality (44.1 kHz), and high-resolution audio (96 kHz, 192 kHz), enabling a single TLV320AIC3212IYZFR design to serve multiple audio fidelity tiers without hardware change.
Does the TLV320AIC3212IYZFR require external DC-blocking capacitors for headphone output?
No. The TLV320AIC3212IYZFR incorporates DirectPath™ headphone drivers with an internal charge pump that generates a negative rail, enabling true ground-centered output. This eliminates the need for external 220-µF DC-blocking capacitors on HPL/HPR - reducing BOM cost, PCB area, and potential low-frequency distortion introduced by large electrolytic capacitors.
Can the TLV320AIC3212IYZFR measure battery voltage directly?
Yes. The TLV320AIC3212IYZFR includes a programmable 12-bit SAR ADC with dedicated VBAT input pin. When configured, it measures battery voltage (2.2–5.5 V range) with ±2 LSB offset error and 2% accuracy - enabling real-time battery telemetry without external resistive dividers or dedicated fuel-gauge ICs. The same SAR ADC can also read the on-chip temperature sensor.
How many digital audio interfaces does the TLV320AIC3212IYZFR support simultaneously?
The TLV320AIC3212IYZFR features three fully independent digital audio serial interfaces (DIN1/WCLK1/BCLK1, DIN2/WCLK2/BCLK2, DIN3/WCLK3/BCLK3), each supporting I²S, TDM, DSP, LJF, RJF, and mono PCM formats. These can operate concurrently - for example, connecting a baseband processor via I²S, a Bluetooth module via TDM, and a digital microphone array via PDM - without time-division multiplexing or host arbitration.
What power supply rails are required for the Class-D speaker amplifier in the TLV320AIC3212IYZFR?
The TLV320AIC3212IYZFR Class-D speaker amplifier requires separate 2.7–5.5 V supplies on SLVDD (left channel), SRVDD (right channel), and SPK_V (shared output stage). TI specifies these must be within ±50 mV of each other. A typical implementation uses a single 3.6 V LDO feeding all three pins through low-ESR ceramic decoupling (10 µF X5R) placed near the YZF package to ensure stable 1.7 W output into 8 Ω at 10% THD+N.
TLV320AIC3212IYZFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 81-UFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Stereo Audio
- Data Interface:
- I2C, SPI
- Resolution (Bits):
- 12 b
- Number of ADCs / DACs:
- 2 / 2
- Sigma Delta:
- Yes
- S/N Ratio, ADCs / DACs (db) Typ:
- 93 / 101
- Dynamic Range, ADCs / DACs (db) Typ:
- 93 / 101
- Voltage - Supply, Analog:
- 1.8V
- Voltage - Supply, Digital:
- 3.3V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 81-DSBGA (5x5)
TLV320AIC3212IYZFR FAQ
1.How can I place an order for TLV320AIC3212IYZFR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV320AIC3212IYZFR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLV320AIC3212IYZFR reliable?
The price and inventory of TLV320AIC3212IYZFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV320AIC3212IYZFR is usually 5 days.
3.What payment methods are accepted for TLV320AIC3212IYZFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV320AIC3212IYZFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV320AIC3212IYZFR?
TLV320AIC3212IYZFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV320AIC3212IYZFR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLV320AIC3212IYZFR?
For technical support, including TLV320AIC3212IYZFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV320AIC3212IYZFR requirements.
6.How does Aetrix verify that TLV320AIC3212IYZFR is sourced from the original manufacturer or authorized distributors?
All TLV320AIC3212IYZFR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLV320AIC3212IYZFR meets industry standards.
7.What is the process for return or replacement of TLV320AIC3212IYZFR?
All TLV320AIC3212IYZFR units undergo pre-shipment inspection (PSI). If there is an issue with TLV320AIC3212IYZFR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLV320AIC3212IYZFR part is unused and in its original packaging.
Return procedure for TLV320AIC3212IYZFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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