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Texas Instruments TWL6041BSRSYFFT
- Part No.:
- TWL6041BSRSYFFT
- Manufacturer:
- Texas Instruments
- Category:
- CODECS
- Package:
- 81-UFBGA, DSBGA
- Datasheet:
-
TWL6041BSRSYFFT.pdf
- Description:
- IC AUDIO CODEC 8CH LP 81DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,842
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Product details
Overview
TWL6041BSRSYFFT from Texas Instruments is an 8-channel low-power audio codec IC designed for portable applications, integrating four DACs (104-dB DR), two ADCs (96-dBA SNR), stereo capless headphone drivers (1-Vrms), dual PLLs supporting 12–38.4-MHz and 32-kHz clocks, and integrated LDOs (2.1 V analog, 1.8 V I/O). It serves as the primary audio interface between OMAP4/OMAP5 application processors and analog audio peripherals in smartphones.
For engineers reviewing the TWL6041BSRSYFFT datasheet, TWL6041BSRSYFFT pinout, TWL6041BSRSYFFT application, or TWL6041BSRSYFFT equivalent, key selection considerations include its PDM-based audio interface with OMAP4/5, capless headphone driver architecture, accessory plug/unplug detection, SRS Audio Effects integration, and WCSP-81 package compatibility with high-density mobile PCB layouts.
Technical Context
The TWL6041BSRSYFFT implements a proprietary PDM interface-PDML (downlink) and PDMUL (uplink)-for multichannel audio multiplexing over single-wire paths to OMAP4/5 processors, enabling power-optimized partitioning. Its dual PLL architecture supports seamless transitions between high-performance (HP) mode using system clock and low-power (LP) playback mode using 32-kHz sleep clock.
Audio signal paths are fully integrated: four parallel DAC channels feed stereo headphone (HSL/HSR), stereo speaker (HFL/HFR), earpiece (EAR), and line-out (AUXL/AUXR); two ADC channels process three differential microphone inputs (MMIC/HMIC/SMIC) and stereo line-in (AFML/AFMR), with loopback capability to analog outputs (LB0/LB1).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DAC Dynamic Range | 104 dB - enables high-fidelity playback with minimal quantization noise in HP mode |
| ADC SNR | 96 dBA - ensures clean microphone capture with low analog front-end noise |
| Headphone Output | 1-Vrms capless - eliminates DC-blocking capacitors, reducing BOM cost and board area |
| Speaker Drive | 1.5 W per channel into 8 Ω - supports loudspeaker output without external amplification |
| System Clock Support | 12 / 19.2 / 26 / 38.4 MHz + 32-kHz LP clock - enables flexible timing and ultra-low-power MP3 playback |
| Microphone Bias | Two 2.1-V analog LDOs (2 mA each) + two 1.8-V digital LDOs (10 mA total) - powers up to four analog/digital mics simultaneously |
| Package | 81-pin DSBGA (YFF), 3.56 mm × 3.56 mm - matches fine-pitch mobile SoC interposer requirements |
Pinout & Package
Package: 81-pin Wafer Chip Scale Package (DSBGA, YFF), 3.56 mm × 3.56 mm, ball pitch 0.4 mm, MSL Level-1, RoHS-compliant SnAgCu finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HSL / HSR | Stereo headphone left/right output | Capless Class-AB drivers with ground-centered 1-Vrms output; no DC-blocking caps required |
| HFLP / HFLN / HFRP / HFRN | Stereo speaker differential outputs | Filterless Class-D outputs supporting 1.5 W/ch into 8 Ω or 4 Ω loads |
| MMICP / MMICN / HMICP / HMICN / SMICP / SMICN | Differential microphone inputs | Three independent mic input pairs with programmable gain; support MEMS and electret mics |
| AFML / AFMR | Stereo line-in inputs | Multiplexed to ADCs; support FM receiver or auxiliary analog source connection |
| PDMCLK / PDMFRAME / PDMDN / PDMUP / UL0 / UL1 / DL0–DL4 | Proprietary PDM interface signals | Single-wire bidirectional audio transport to OMAP4/5; avoids I²S routing congestion |
| PLUGDET | Accessory detection input | Monitors headset jack insertion/removal and button press via periodic low-current sensing |
| SCL / SDA | I²C control interface | Configures registers, enables dynamic power management, and controls SRS audio effects |
Key Features
| Feature | Design Value |
|---|---|
| SRS Audio Effects Integration | Pre-loaded SRS TruMedia and SRS pre-processing algorithms enabled by default on OMAP4/5 Android ICS platforms |
| Low-Power Playback Mode | 32-kHz sleep clock operation enables >100-hour MP3 playback time without compromising audio quality |
| Negative Charge Pump | Integrated charge pump generates negative rail for capless headphone drivers, eliminating external components |
| Thermal Protection with Host Interrupt | On-die thermal sensor triggers interrupt to host processor before shutdown, enabling graceful audio fade-out |
| Programmable Accessory Detection | Configurable plug/unplug and button press detection cycle minimizes current draw in standby (<1 µA avg) |
Applications
| Smartphone Audio Subsystem | OMAP4-Based Tablet Audio Interface |
|---|---|
Use Scenario: Primary audio codec interfacing OMAP4 processor to stereo speakers, capless headphones, and dual microphones in compact smartphone form factor. IC Role / Device Role / Timing Role: Central audio hub handling all analog I/O, clock generation (dual PLL), power regulation (LDOs), and accessory detection. Use Value: Reduces component count by integrating headphone/speaker drivers, mic bias, charge pump, and PDM interface-enabling <3.6 mm² solution footprint. |
Use Scenario: Audio subsystem for 7-inch Android tablet with stereo line-out, vibrator feedback, and hearing aid coil support. IC Role / Device Role / Timing Role: Dual-role audio controller managing both playback (DAC paths) and haptics (VIBL/VIBR PWM channels) with shared clock resources. Use Value: Delivers 1.5-W speaker drive and differential haptic feedback without external drivers-reducing bill-of-materials and layout complexity. |
| Mobile Handheld Media Player | Android ICS Reference Platform Audio |
Use Scenario: High-fidelity audio playback in dedicated MP3 player with capless headphone output and long battery life. IC Role / Device Role / Timing Role: Low-power audio codec operating in 32-kHz LP mode with optimized DAC path for extended runtime. Use Value: Achieves >100 hours of continuous playback while maintaining 104-dB DR through clock-gated HP mode activation only during active decode. |
Use Scenario: Standard audio solution in TI's OMAP4 reference designs for Android Ice Cream Sandwich. IC Role / Device Role / Timing Role: Certified SRS Audio Effects platform component with pre-validated firmware integration and PDM timing alignment. Use Value: Eliminates audio tuning effort-SRS TruMedia and pre-processing are factory-enabled and tested per Android CTS requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar audio codec applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV320AIC3106IRGZT | 6-channel codec with I²S/PCM interface (no PDM), 94-dB DR DAC, 1.8-V only I/O, no integrated SRS effects | Requires external clock generator and lacks OMAP4-specific PDM protocol stack; suited for generic ARM Cortex-A/MCU platforms | Select when PDM interface is unnecessary and I²S/PCM routing is preferred over single-wire PDM. |
| WM8962ECS/R | 10-channel codec with I²S/PCM, 100-dB DR DAC, 1.2-V core supply, no integrated charge pump or SRS features | Needs external negative rail for capless headphone drive; requires separate mic bias IC; no OMAP4 firmware integration | Choose for higher channel count and lower core voltage where TI OMAP ecosystem compatibility is not required. |
Compared with TLV320AIC3106IRGZT and WM8962ECS/R, the TWL6041BSRSYFFT delivers unique value in OMAP4/5-based designs through native PDM interface, integrated SRS Audio Effects, capless headphone architecture with charge pump, and system-level power optimization-making it non-interchangeable without firmware and layout changes.
Availability
TWL6041BSRSYFFT is available at Aetrix Electronics and suitable for smartphone audio subsystems, OMAP4/5-based tablets, and Android ICS media players requiring stable component supply, long-lifecycle availability, and qualified automotive-grade traceability.
Supply support for TWL6041BSRSYFFT 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 headquartered in Dallas, Texas, specializing in analog, embedded processing, and connectivity technologies for industrial, automotive, and consumer markets.
The TWL6041BSRSYFFT belongs to TI's TWL60xx power and audio companion IC family, engineered specifically to serve as the integrated audio and power interface for OMAP4/5 application processors in Android-based mobile devices.
FAQ
What is the primary interface protocol used by the TWL6041BSRSYFFT for audio data transfer?
The TWL6041BSRSYFFT uses a proprietary Pulse Density Modulation (PDM) interface-comprising PDML (downlink) and PDMUL (uplink)-to communicate with OMAP4/5 processors. This single-wire, time-division multiplexed scheme replaces traditional I²S, reducing PCB routing complexity and enabling tighter integration with TI's application processors. The TWL6041BSRSYFFT does not support I²S or PCM directly.
Does the TWL6041BSRSYFFT support capless headphone output, and how is it implemented?
Yes, the TWL6041BSRSYFFT supports true capless headphone output via integrated Class-AB stereo drivers (HSL/HSR) with ground-centered 1-Vrms output. This is achieved using an on-chip negative charge pump that generates the required negative rail, eliminating external DC-blocking capacitors. The TWL6041BSRSYFFT's capless architecture reduces BOM cost and PCB area while maintaining THD+N < 0.01% at full scale.
Is SRS Audio Effects functionality built into the TWL6041BSRSYFFT, or is it software-dependent?
SRS Audio Effects-including SRS TruMedia and SRS pre-processing-are factory-enabled firmware features in the TWL6041BSRSYFFT when used with OMAP4/OMAP5 platforms running Android ICS. These are not optional add-ons but standard, pre-validated capabilities activated via I²C register configuration. The TWL6041BSRSYFFT itself contains dedicated hardware acceleration blocks for these effects, confirmed in TI's SWCS058D datasheet Section 1.4.
What power supply voltages does the TWL6041BSRSYFFT require, and which are internally generated?
The TWL6041BSRSYFFT requires three external supplies: analog (2.1 V), digital I/O (1.8 V), and battery (2.3–5.5 V). Internally, it generates a negative rail via an integrated charge pump for capless headphone drive and provides two regulated LDO outputs: 2.1 V for analog microphone bias (MBIAS/HBIAS) and 1.8 V for digital microphone bias (DBIAS1/DBIAS2). No external regulators are needed for these bias rails.
Can the TWL6041BSRSYFFT operate in low-power audio playback mode without external clock sources?
Yes, the TWL6041BSRSYFFT supports autonomous low-power playback using only a 32-kHz sleep clock (CLK32K) input-no system clock (MCLK) required. In this mode, the LP PLL activates while the HP PLL remains inactive, enabling >100-hour MP3 playback with full DAC functionality and 44.1/48-kS/s sample rates. The TWL6041BSRSYFFT maintains all accessory detection and button press functions during LP mode operation.
TWL6041BSRSYFFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 81-UFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Audio
- Data Interface:
- I2C
- Resolution (Bits):
- -
- Number of ADCs / DACs:
- 2 / 4
- Sigma Delta:
- No
- S/N Ratio, ADCs / DACs (db) Typ:
- -
- Dynamic Range, ADCs / DACs (db) Typ:
- -
- Voltage - Supply, Analog:
- 2.1V
- Voltage - Supply, Digital:
- 1.8V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 81-DSBGA (3.8x3.8)
TWL6041BSRSYFFT FAQ
1.How can I place an order for TWL6041BSRSYFFT through Aetrix?
Please submit a Request for Quotation (RFQ) for TWL6041BSRSYFFT 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 TWL6041BSRSYFFT reliable?
The price and inventory of TWL6041BSRSYFFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TWL6041BSRSYFFT is usually 5 days.
3.What payment methods are accepted for TWL6041BSRSYFFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TWL6041BSRSYFFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TWL6041BSRSYFFT?
TWL6041BSRSYFFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TWL6041BSRSYFFT 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 TWL6041BSRSYFFT?
For technical support, including TWL6041BSRSYFFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TWL6041BSRSYFFT requirements.
6.How does Aetrix verify that TWL6041BSRSYFFT is sourced from the original manufacturer or authorized distributors?
All TWL6041BSRSYFFT 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 TWL6041BSRSYFFT meets industry standards.
7.What is the process for return or replacement of TWL6041BSRSYFFT?
All TWL6041BSRSYFFT units undergo pre-shipment inspection (PSI). If there is an issue with TWL6041BSRSYFFT, 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 TWL6041BSRSYFFT part is unused and in its original packaging.
Return procedure for TWL6041BSRSYFFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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