My Inquiry
My Account
Texas Instruments TAS3208PZPR
.jpg)
- Part No.:
- TAS3208PZPR
- Manufacturer:
- Texas Instruments
- Category:
- DSP (Digital Signal Processors)
- Package:
- 100-TQFP Exposed Pad
- Datasheet:
-
TAS3208PZPR.pdf
- Description:
- IC AUDIO PROC 100TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,348
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TAS3208PZPR from Texas Instruments is a fully programmable 48-bit digital audio processor SOC with integrated analog interface, supporting six-channel digital audio processing, stereo ADC (93 dB DNR), six DACs (97 dB DNR), SPDIF transmitter, and embedded 8051 WARP microcontroller - deployed in flat-screen TVs, speaker bars, and automotive head units.
For engineers reviewing the TAS3208PZPR datasheet, TAS3208PZPR pinout, TAS3208PZPR application, or TAS3208PZPR equivalent, key selection considerations include 135-MHz DSP clock, 48-bit data path with 76-bit accumulator, slave/master clock mode flexibility, I²C-controlled SPDIF encoding per IEC 60958, and 10:1 stereo analog input MUX capability.
Technical Context
The TAS3208PZPR integrates a custom 135-MHz 48-bit DSP core with five simultaneous operations per clock cycle and hardware single-cycle 28×48 multiplier, enabling real-time speaker equalization, crossover, delay compensation, and dynamic range compression. Its 76-bit accumulator preserves precision across multi-stage audio algorithms.
It features dual I²C interfaces (master/slave), two synchronous serial audio outputs (SDOUT1/SDOUT2), three digital inputs (SDIN1–SDIN3), SPDIF_IN/SPDIF_OUT capability, and configurable SAP I/O formats (16-/20-/24-bit, I²S/left/right-justified). Clocking supports master mode (internal 512×Fs oscillator) or slave mode (external MCLKIN/SCLKIN/LRCLKIN).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSP Core | 135-MHz, 48-bit, 76-bit accumulator - ensures high-precision arithmetic for multi-tap FIR filters and loudspeaker management without overflow. |
| Analog Inputs | 10:1 stereo analog MUX + stereo 24-bit ADC (93 dB DNR) - enables flexible source selection and high-fidelity digitization of line-level signals. |
| DAC Outputs | Six single-ended DACs (97 dB DNR) + stereo headphone amp (24 mW into 16 Ω) - supports multi-zone audio playback with low-noise analog output paths. |
| Digital I/O | Three SDIN inputs, two SDOUT outputs (SDOUT2 multiplexed with SPDIF), SPDIF_IN - allows up to six-channel digital input and four-channel output with consumer-grade SPDIF compliance. |
| Control Interface | Dual I²C ports (SCL1/SDA1, SCL2/SDA2), GPIO1–GPIO4, CS, RESET, MUTE - enables host MCU coordination of firmware loading, mute sequencing, and peripheral configuration. |
| Power Supply | Single 3.3-V supply with integrated regulators (VR_DIG1/VR_DIG2/VR_ANA) - simplifies power design while isolating digital/analog domains via dedicated LDOs. |
| Operating Temp | –20°C to +70°C - qualified for commercial audio equipment including docks, mini-components, and non-automotive infotainment systems. |
Pinout & Package
Package: TQFP-100 (PZP), 14 mm × 14 mm, 0.5-mm pitch, thermally enhanced PowerPAD™.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDIN1–SDIN3 | Digital audio input | Accept 16-/20-/24-bit I²S/left/right-justified PCM - supports up to six discrete channels of digital audio ingress. |
| SDOUT1 / SDOUT2/SPDIF_OUT | Digital audio output | SDOUT1: 4-channel I²S output; SDOUT2: selectable as 2-channel I²S or SPDIF-compliant biphase-mark encoded stream (IEC 60958). |
| MCLKIN / SCLKIN / LRCLKIN | Slave clock inputs | Enable external clock synchronization at 256×Fs / 64×Fs / Fs - required for deterministic timing when TAS3208PZPR operates as clock slave. |
| MCLKOUT / SCLKOUT / LRCLKOUT | Master clock outputs | Provide 256×Fs / 64×Fs / Fs clocks - drive external DACs, ADCs, or digital receivers in master-mode systems. |
| LINEIN1L/R – LINEIN10L/R | Analog input terminals | 10 stereo analog input pairs with internal 10:1 MUX - route any selected pair to ADC path without external switching circuitry. |
| DACOUT1L/R, DACOUT2L/R | DAC analog outputs | Two independent stereo DAC output banks - support dual-zone playback or left/right channel splitting for active crossovers. |
| HPOUTL / HPOUTR | Headphone driver outputs | Integrated Class-AB headphone amplifier delivering 24 mW per channel into 16 Ω - eliminates need for external buffer stages. |
| I2C_SCL1/SDA1, I2C_SCL2/SDA2 | I²C control interface | Primary port (SCL1/SDA1) for firmware download and runtime control; secondary port (SCL2/SDA2) for daisy-chained device management. |
Key Features
| Feature | Design Value |
|---|---|
| Graphical PurePath Studio™ development | Drag-and-drop DSP flow design with real-time parameter tuning - reduces firmware development time for EQ, bass boost, and virtual surround algorithms. |
| Configurable SAP I/O normalization | Enables simultaneous I²S and left-justified output formatting - eliminates level-shifting or format-conversion ICs in mixed-interface systems. |
| Embedded 8051 WARP microcontroller | Runs C-compiled control code for I²C register management, mute sequencing, and GPIO-driven system state handling - offloads host MCU tasks. |
| SPDIF transmitter compliance | Full IEC 60958 consumer-mode encoding with programmable channel status, preemphasis, and sample rate metadata - meets CE/UL audio interconnect requirements. |
| Internal clock generation | On-chip oscillator with 512×Fs reference - eliminates external crystal for master-mode applications, reducing BOM count and layout area. |
| Multi-domain power regulation | Dedicated VR_DIG1/VR_DIG2/VR_ANA LDOs - suppress digital switching noise coupling into analog signal paths, preserving 97-dB DAC SNR. |
Applications
| Flat-Screen TV Audio Processing | Speaker Bar Digital Signal Routing |
|---|---|
|
Use Scenario: Integrated audio subsystem in 4K UHD TV requiring multi-source mixing, bass management, and HDMI ARC passthrough. IC Role / Device Role / Timing Role: Central digital audio processor handling SPDIF input from set-top box, I²S from SoC, and analog line-in; generates multi-channel DAC output and headphone feed. Use Value: Single-chip solution replaces discrete DSP + ADC + DAC + headphone amp, reducing PCB area by >40% and eliminating inter-IC clock skew. |
Use Scenario: Compact soundbar with Bluetooth, optical, and analog inputs needing virtual surround, dialogue enhancement, and subwoofer crossover. IC Role / Device Role / Timing Role: Audio SOC performing real-time 6-channel processing, 3-band parametric EQ, and 2-way active crossover before DAC output to drivers. Use Value: 135-MHz DSP core executes TI royalty-free psychoacoustic algorithms with <5-ms latency, enabling responsive voice-assistant integration. |
| Automotive Head Unit Audio Hub | MP3 Docking Station Signal Conditioning |
|
Use Scenario: In-dash infotainment unit supporting USB audio, AM/FM tuner, and rear-seat entertainment with independent zone control. IC Role / Device Role / Timing Role: Audio hub managing asynchronous SPDIF from navigation module, I²S from Bluetooth stack, and analog aux input; routing to front/rear DAC banks. Use Value: Dual I²C ports enable isolated firmware updates for safety-critical CAN bus controller while audio subsystem remains operational. |
Use Scenario: High-fidelity iPod/phone dock requiring jitter-immune digital input handling and analog output conditioning for powered speakers. IC Role / Device Role / Timing Role: Digital audio interface converter accepting 16-/24-bit I²S from mobile device and outputting matched-format analog via DACOUT1/2. Use Value: 97-dB DNR DACs and 93-dB DNR ADC preserve dynamic range across full 20 Hz–20 kHz bandwidth, meeting THX Mobile certification thresholds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital audio processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TAS3251PZPR | Successor with 200-MHz DSP, 96-kHz sampling support, and enhanced SPDIF receiver - no backward-compatible firmware. | Targets premium AV receivers requiring higher sample rates and Dolby Digital decoding; lacks 10:1 analog MUX. | Select when upgrading from TAS3208PZPR for >48-kHz audio pipelines and future-proofing against new codec mandates. |
| ADAU1701JSTZ | 400-MHz SigmaDSP core, 28-/56-bit processing, but no integrated ADC/DAC or headphone amp - requires external analog components. | Used in pro-audio mixers and studio monitors where ultra-low-latency FIR filtering and floating-point precision outweigh integration benefits. | Choose when algorithmic complexity (e.g., adaptive noise cancellation) exceeds TAS3208PZPR's fixed-point capacity and board space permits discrete analog stages. |
Compared with TAS3208PZPR, TAS3251PZPR delivers higher throughput for immersive audio codecs but sacrifices analog input flexibility, while ADAU1701JSTZ offers superior computational headroom at the cost of increased BOM and layout complexity.
Availability
TAS3208PZPR is available at Aetrix Electronics and suitable for flat-screen TVs, speaker bars, and MP3 docking stations requiring stable component supply across extended production lifecycles.
Supply support for TAS3208PZPR 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 audio signal chain solutions.
The TAS3208 product line was designed as a highly integrated audio SOC for cost-sensitive consumer electronics, combining programmable DSP, analog interface, and system control in a single TQFP package to reduce bill-of-materials and design cycle time.
FAQ
What is the maximum supported sampling rate for the TAS3208PZPR's SPDIF transmitter?
The TAS3208PZPR SPDIF transmitter supports up to 48 kHz sampling rate per IEC 60958, with programmable SR bits (01 = 48 kHz default) in the SPDIF control register at I²C subaddress 0x10. It does not support 96 kHz or higher rates, and operation above 48 kHz requires external ASRC interfacing as documented in Figure 2 of the datasheet.
Does the TAS3208PZPR require an external crystal in master mode?
Yes, the TAS3208PZPR requires a 12.288 MHz crystal connected to XTAL_IN/XTAL_OUT pins for master-mode clock generation. The internal oscillator uses this crystal to derive 512×Fs (24.576 MHz for 48 kHz Fs), which feeds the 135-MHz DSP core and all digital audio clocks (MCLKOUT, SCLKOUT, LRCLKOUT).
How many analog input channels can be simultaneously processed by the TAS3208PZPR?
The TAS3208PZPR supports one stereo analog input path at a time via its 10:1 stereo analog MUX, meaning only two analog channels (left/right) are digitized concurrently by the integrated 24-bit ADC. However, all ten stereo input pairs (LINEIN1L/R through LINEIN10L/R) are accessible for sequential switching under 8051 WARP microcontroller control.
Can the TAS3208PZPR operate as both I²S master and slave simultaneously?
No, the TAS3208PZPR operates exclusively in either master or slave clock mode, controlled by the CMS bit in the SAP/Clock Settings register. In master mode, it generates MCLKOUT/SCLKOUT/LRCLKOUT; in slave mode, it accepts MCLKIN/SCLKIN/LRCLKIN. Simultaneous master/slave operation on different ports is not supported.
What is the function of the VR_DIG1 and VR_DIG2 pins on the TAS3208PZPR?
VR_DIG1 and VR_DIG2 are internal digital regulator outputs requiring 4.7-µF low-ESR capacitors to DVSS. They supply regulated 3.3 V to internal digital blocks - VR_DIG1 powers the DSP core and serial audio ports, while VR_DIG2 supplies the 8051 WARP microcontroller and I²C interface - ensuring noise isolation between processing and control domains.
TAS3208PZPR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 100-TQFP Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- AAI/O, DAI/O, I2C, I2S
- Clock Rate:
- 135MHz
- Non-Volatile Memory:
- -
- On-Chip RAM:
- 30.3kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 3.30V
- Operating Temperature:
- -20°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 100-HTQFP (14x14)
TAS3208PZPR FAQ
1.How can I place an order for TAS3208PZPR through Aetrix?
Please submit a Request for Quotation (RFQ) for TAS3208PZPR 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 TAS3208PZPR reliable?
The price and inventory of TAS3208PZPR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TAS3208PZPR is usually 5 days.
3.What payment methods are accepted for TAS3208PZPR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TAS3208PZPR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TAS3208PZPR?
TAS3208PZPR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TAS3208PZPR 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 TAS3208PZPR?
For technical support, including TAS3208PZPR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TAS3208PZPR requirements.
6.How does Aetrix verify that TAS3208PZPR is sourced from the original manufacturer or authorized distributors?
All TAS3208PZPR 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 TAS3208PZPR meets industry standards.
7.What is the process for return or replacement of TAS3208PZPR?
All TAS3208PZPR units undergo pre-shipment inspection (PSI). If there is an issue with TAS3208PZPR, 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 TAS3208PZPR part is unused and in its original packaging.
Return procedure for TAS3208PZPR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TAS3208PZPR Tags
-
TMS320C5535AZAY10
Texas Instruments
-
TMS320VC5501PGF300
Texas Instruments
-
ADSP-BF592KCPZ
Analog Devices Inc.
-
ADAU1463WBCPZ150
Analog Devices Inc.
-
TMS320VC5402PGE100
Texas Instruments
-
ADAU1701JSTZ-RL
Analog Devices Inc.
-
ADAU1701JSTZ
Analog Devices Inc.
-
TMS320VC5502PGF300
Texas Instruments
-
ADAU1462WBCPZ300RL
Analog Devices Inc.
-
ADAU1452KCPZRL
Analog Devices Inc.
-
ADAU1452WBCPZ-RL
Analog Devices Inc.
-
TMS320C6747DZKB3
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
