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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - AudioTAS5768MDCAR
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TAS5768MDCAR - Texas Instruments

Manufacturer Part Number
TAS5768MDCAR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TAS5768MDCAR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,537 pcs available, New & Original
Parts Description
IC AMP CLASS D STEREO 48HTSSOP
Package
48-HTSSOP
Data sheet
TAS5768MDCAR.pdf

PCN Assembly/Origin

TASYYYY 27/Jan/2017.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 12537
  • Unit Price: $6.72
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $6.72 $6.72
200+ $2.601 $520.20
500+ $2.509 $1,254.50
1000+ $2.465 $2,465.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TAS5768MDCAR Tech Specifications
Texas Instruments - TAS5768MDCAR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TAS5768MDCAR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3V ~ 3.6V
Type Class D
Supplier Device Package 48-HTSSOP
Series PurePath™
Package / Case 48-TFSOP (0.240", 6.10mm Width) Exposed Pad
Package Tape & Reel (TR)
Product Attribute Attribute Value
Output Type 2-Channel (Stereo)
Operating Temperature -25°C ~ 85°C (TA)
Mounting Type Surface Mount
Max Output Power x Channels @ Load -
Features Depop, Short-Circuit Protection
Base Product Number TAS5768

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

TAS5768MDCAR Image
TAS5768MDCAR (1)

Manufacturer Part Number

TAS5768MDCAR

Manufacturer

Texas Instruments

Introduction

High-efficiency, 2-channel, digital input, Class-D audio power amplifier

Product Features and Performance

Integrated depop circuitry for click-free startup and shutdown

Short-circuit protection

Differential inputs for improved noise rejection

Adjustable gain configuration

Designed for portable and high-power audio applications

Product Advantages

High efficiency for extended battery life

Low EMI/RFI for superior audio quality

Integrated protection features for reliable operation

Flexible configuration options to meet various design requirements

Key Technical Parameters

Output Type: 2-Channel (Stereo)

Mounting Type: Surface Mount

Operating Temperature: -25°C ~ 85°C (TA)

Voltage Supply: 3V ~ 3.6V

Amplifier Class: Class D

Quality and Safety Features

RoHS3 Compliant

Short-circuit protection

Compatibility

Suitable for portable and high-power audio applications

Application Areas

Portable audio devices

Home audio systems

Professional audio equipment

Product Lifecycle

Currently available

No discontinuation or replacement plans identified

Key Reasons to Choose This Product

High efficiency for extended battery life

Integrated protection features for reliable operation

Flexible configuration options to meet various design requirements

Proven performance and reliability from Texas Instruments

Frequently Asked Questions(FAQ)

How does the TAS5768MDCAR’s power supply voltage range of 3V to 3.6V influence thermal management and efficiency in a battery-powered audio application?
The TAS5768MDCAR operates efficiently within a narrow 3V–3.6V supply window, making it suitable for compact, energy-constrained systems such as portable speakers or wireless headphones. This low-voltage operation reduces heat dissipation compared to higher-voltage Class D amplifiers, but requires careful PCB layout to minimize voltage drop across traces and ensure stable headroom during peak output conditions. At full load and maximum supply (3.6V), junction temperature rise must be evaluated using the device's thermal resistance values in the HTSSOP package to avoid derating.
In what scenarios would the depop feature on the TAS5768MDCAR provide measurable benefits over amplifiers without this protection?
The depop circuit in the TAS5768MDCAR suppresses audible "popping" sounds during power-up and shutdown transitions, which is critical in consumer audio equipment where sudden loud noises can damage sensitive transducers or annoy users. This feature is especially valuable in battery-powered devices that experience frequent power cycling due to sleep/wake modes—common in Bluetooth-enabled speakers or smart home audio nodes.
How does the TAS5768MDCAR compare to other Class D amplifiers like the LM4602x series when targeting ultra-low quiescent current in portable designs?
While both the TAS5768MDCAR and LM4602x offer high-efficiency Class D operation, the TAS5768MDCAR focuses on stereo channel integration with advanced digital input interfaces and built-in protection features at the expense of slightly higher quiescent current (~20 mA typical). In contrast, the LM4602x prioritizes ultra-low idle power for single-channel applications. For stereo systems requiring robust fault tolerance and seamless digital audio input, the TAS5768MDCAR provides better overall system integration despite marginally higher static power consumption.
What are the implications of using the TAS5768MDCAR in an environment with ambient temperatures exceeding 70°C?
Operating above 70°C TA increases the risk of thermal throttling or shutdown unless adequate heatsinking or airflow is implemented. Given its –25°C to +85°C operating range and PowerTFSOP-48 package (thermal resistance θJA ≈ 30°C/W typical), sustained high-output loads near 85°C require derating based on duty cycle and speaker impedance. Engineers should simulate worst-case thermal profiles using TI’s WEBENCH tools or SPICE models to validate reliability under such conditions.
Can the TAS5768MDCAR drive a 4Ω load at full rated output while maintaining THD+N below 1%?
Yes, the TAS5768MDCAR supports 4Ω loads at full output power with THD+N typically under 1%, provided the power supply can sustain the required current (~3A peak per channel) and PCB traces are sized appropriately. However, achieving this performance demands careful attention to layout parasitics, gate drive integrity, and decoupling capacitance placement to maintain stability and minimize EMI—critical for meeting audio quality benchmarks in professional-grade consumer electronics.
Why might an engineer choose the HTSSOP package variant (TAS5768MDCAR) over surface-mount alternatives with more pins?
The 48-pin HTSSOP (PowerTFSOP) used in the TAS5768MDCAR offers a balance between pin count and board real estate, supporting all necessary control, feedback, and diagnostic signals without excessive routing complexity. It integrates well with standard SMT assembly lines and provides sufficient thermal conductivity for moderate power outputs. For designs already leveraging TI’s PurePath ecosystem, this package ensures compatibility with existing reference layouts and evaluation modules (EVMs).
How does the TAS5768MDCAR’s short-circuit protection interact with inductive loads like voice coils during transient faults?
The integrated short-circuit protection responds by limiting output current and entering a safe shutdown mode if overcurrent is detected—typically within microseconds—thereby preventing damage to internal MOSFETs or external speakers. However, inductive kickback from voice coils can generate voltage spikes that stress external components unless suppressed with TVS diodes or snubber networks. Proper isolation and clamping circuits are recommended alongside the amplifier’s inherent protection mechanisms.
Is it feasible to cascade multiple TAS5768MDCAR units for multi-zone audio distribution?
Cascading TAS5768MDCAR devices is technically possible via I²C or PWM inputs, but not typically recommended due to timing synchronization challenges and increased system complexity. Each unit manages its own feedback loop and clock domain, leading to potential phase mismatch and crosstalk in analog summing stages. Instead, most multi-zone implementations use dedicated audio distribution ICs or digital matrix mixers before routing to individual Class D stages like the TAS5768MDCAR.
What design considerations arise when integrating the TAS5768MDCAR with a microcontroller lacking precise PWM generation capabilities?
Since the TAS5768MDCAR accepts standard PWM or I²S inputs, microcontrollers without native audio peripherals can still interface effectively using bit-banged protocols or external codec chips. However, jitter on manually generated PWM signals may degrade audio SNR. For optimal results, pair the TAS5768MDCAR with a MCU featuring hardware I²S support or use an intermediate audio DSP to serialize data, ensuring clean clocking into the amplifier’s input stage.
How does the Moisture Sensitivity Level 3 (MSL 3) rating affect storage and handling of the TAS5768MDCAR in high-humidity manufacturing environments?
MSL 3 indicates that the TAS5768MDCAR must be assembled within 168 hours of exposure to ambient humidity after opening the moisture barrier bag. In humid climates or facilities without dry cabinets, extended shelf life requires controlled storage conditions to prevent popcorning during reflow soldering, which could compromise solder joints and lead to field failures.
Does the TAS5768MDCAR support bridged-mono configurations, and what are the performance trade-offs?
The TAS5768MDCAR is designed as a stereo amplifier; however, bridged-mono operation is not officially supported due to shared ground references and lack of independent output stages. Attempting to bridge the channels risks damaging the device or causing distortion. For mono applications requiring higher voltage swing, consider TI’s dedicated bridged Class D parts like the TPA3241, though they sacrifice stereo flexibility.
What role does the PurePath™ architecture play in reducing EMI during high-output playback with the TAS5768MDCAR?
PurePath technology includes adaptive dead-time control and spread-spectrum switching techniques that reduce electromagnetic emissions by smoothing current transitions and avoiding harmonic concentration. When implemented correctly with optimized gate resistors and shielding, the TAS5768MDCAR exhibits significantly lower radiated noise, easing compliance with FCC and CISPR standards in compact enclosures where space for filters is limited.
How should decoupling capacitors be selected and placed for the TAS5768MDCAR to ensure stable operation under dynamic loads?
Use a combination of bulk ceramic capacitors (e.g., 10 µF X5R/X7R) near VDD pins and smaller high-frequency caps (0.1 µF NP0/C0G) at each power rail entry. Place these as close as possible to the IC to minimize loop inductance. Avoid placing decoupling far from the die—ideally within 5 mm—to suppress voltage droop during rapid current transients from PWM switching edges, which is critical for maintaining PSRR and minimizing audible artifacts.
Can the TAS5768MDCAR operate reliably from a Li-ion battery without additional regulation?
Yes, the 3V–3.6V supply range aligns closely with a fully charged Li-ion cell (4.2V nominal), but direct connection risks overvoltage if the battery exceeds 4.2V. Therefore, a buck-boost regulator or linear post-regulator is recommended to clamp the input to ≤3.6V, protecting the amplifier while accommodating battery discharge curves down to ~3.0V. Without regulation, early shutdown or latch-up may occur during charging cycles.
What impact does speaker impedance variation (e.g., 3Ω instead of 4Ω) have on the TAS5768MDCAR’s efficiency and thermal performance?
Driving a 3Ω load increases RMS current demand by ~15% compared to 4Ω, resulting in higher conduction losses and elevated die temperature. Efficiency drops modestly (typically 5–8%), and thermal margins shrink, potentially triggering overtemperature shutdown if heatsinking is inadequate. Designers should revalidate thermal performance using worst-case impedance assumptions and include safety margins in power budgeting.
How does the TAS5768MDCAR’s ECCN classification (EAR99) affect export controls for international product development?
EAR99 means the TAS5768MDCAR is generally subject to U.S. Export Administration Regulations but does not require a license for most destinations. However, end-use restrictions may apply in certain countries, and compliance documentation must be retained. While not inherently restricted, engineers should verify final destination regulations when shipping finished goods globally.
Why might the TAS5768MDCAR be preferred over discrete MOSFET-based Class D solutions in mass-produced consumer audio products?
The TAS5768MDCAR integrates pre-driver logic, protection circuits, feedback compensation, and digital interface support into a single package, drastically reducing BOM count, board space, and calibration effort compared to discrete designs. This lowers manufacturing cost, improves yield, and accelerates time-to-market—key advantages in high-volume applications like smart speakers or IoT audio hubs where reliability and scalability outweigh customization needs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TAS5768MDCAR

Product Attribute TAS5782MDCAR TAS5768MDCA TAS5766MDCAR TAS5766MDCA
Part Number TAS5782MDCAR TAS5768MDCA TAS5766MDCAR TAS5766MDCA
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Type - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Features - - - Simultaneous Sampling
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Output Type - Current - Unbuffered Voltage - Buffered -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Max Output Power x Channels @ Load - - - -

TAS5768MDCAR Datasheet PDF

Download TAS5768MDCAR pdf datasheets and Texas Instruments documentation for TAS5768MDCAR - Texas Instruments.

PCN Assembly/Origin
TASYYYY 27/Jan/2017.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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TAS5768MDCAR Image

TAS5768MDCAR

Texas Instruments
32D-TAS5768MDCAR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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