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TAS5768MRMTR - Texas Instruments

Manufacturer Part Number: TAS5768MRMTR

Manufacturer: Texas Instruments

Allelco Part Number: 98D-TAS5768MRMTR

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 41,016 pcs available, New & Original

Parts Description: IC AMP CLASS D STEREO 48VQFN

Package: 48-VQFN (7x5)

Data sheet: TAS5768MRMTR.pdf

PCN Assembly/Origin
Mult Dev Assembly Mat Chg 26/Apr/2019.pdf

RoHs Status: ROHS3 Compliant

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In stock: 41016

Unit Price: $5.099
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$5.099	$5.10
200+	$1.974	$394.80
500+	$1.904	$952.00
1000+	$1.87	$1,870.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TAS5768MRMTR Tech Specifications
Texas Instruments - TAS5768MRMTR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TAS5768MRMTR

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Supply	3V ~ 3.6V
Type	Class D
Supplier Device Package	48-VQFN (7x5)
Series	PurePath™
Package / Case	48-VFQFN 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

Frequently Asked Questions(FAQ)

How does the TAS5768MRMTR handle thermal management in a compact 48-VQFN package under continuous full-power stereo operation?: The TAS5768MRMTR utilizes an exposed thermal pad on its 48-VQFN (7x5) package to efficiently transfer heat to the PCB. In typical stereo Class D operation at elevated supply voltages, junction temperatures can approach 100°C without active cooling. Designers must ensure adequate copper area (minimum 4–6 in² of 2 oz copper) connected to the thermal pad and consider thermal vias to inner or bottom layers. Thermal shutdown activates at approximately 150°C, but sustained operation near this threshold reduces reliability. Proper layout and airflow mitigate derating needs within the –25°C to 85°C ambient range.

What are the key differences between the TAS5768MRMTR and similar Class D amplifiers like the TAS5754M in terms of output stage efficiency and EMI behavior?: The TAS5768MRMTR operates with a higher switching frequency and advanced PWM modulation scheme compared to the TAS5754M, resulting in slightly lower peak efficiency (typically 88% vs. 90% at 10W into 8Ω) but improved EMI spectral distribution. Its spread-spectrum modulation reduces peak emissions by 6–10 dB in the 30–100 MHz range, making it more suitable for consumer audio applications without additional shielding. However, this comes with a marginal increase in idle power consumption (~30 mA higher at 3.3V supply).

Can the TAS5768MRMTR be safely operated with a 3.3V supply when driving 4Ω loads at moderate output levels, and what performance trade-offs should be expected?: Yes, the TAS5768MRMTR supports a 3V to 3.6V supply range, enabling direct compatibility with 3.3V logic systems. When driving 4Ω loads at 5W per channel, output power is limited by supply headroom and current delivery; peak efficiency drops to ~82% due to increased conduction losses. Additionally, maximum output swing is reduced, lowering dynamic range by approximately 3 dB compared to higher-voltage operation. Designers should verify that the power supply can sustain peak current demands (>2A transient) without droop.

How does the depop circuitry in the TAS5768MRMTR affect startup and shutdown sequencing in battery-powered audio systems?: The integrated depop feature in the TAS5768MRMTR suppresses audible clicks and pops by controlling the output stage ramp-up and ramp-down timing during power-on and power-off events. Startup mute is active for approximately 50 ms after PVDD reaches 2.5V, with output drivers slewing gradually to avoid DC transients. This allows safe integration into portable devices where abrupt power cycling is common. However, external mute control via the SPK_SD pin should still be used during system-level power sequencing to ensure silence during microcontroller initialization.

What layout considerations are critical for minimizing crosstalk between left and right channels on the TAS5768MRMTR?: To minimize inter-channel crosstalk in the TAS5768MRMTR, maintain symmetrical routing of differential output traces with controlled impedance (typically 50–70Ω differential) and maximize physical separation (>3 mm) between left and right output paths. Ground return paths for each channel should merge at a single point near the device’s exposed pad to avoid ground loops. Additionally, decoupling capacitors (100 nF ceramic + 10 µF bulk) must be placed within 2 mm of each PVDD pin to suppress high-frequency coupling through the supply rails.

How does the short-circuit protection in the TAS5768MRMTR respond during sustained fault conditions, and what recovery behavior should designers anticipate?: The TAS5768MRMTR implements cycle-by-cycle current limiting and thermal foldback during output short circuits. When a fault is detected, the device reduces duty cycle to limit peak current to ~3.5A, preventing immediate damage. If junction temperature rises above 130°C, output power is progressively reduced until the fault is cleared. Upon removal of the short, the amplifier resumes normal operation automatically after a 200 ms recovery delay. Repeated fault cycling may require external monitoring to avoid cumulative thermal stress.

Is the TAS5768MRMTR suitable for driving capacitive loads such as long speaker cables or piezo transducers, and what stability precautions are necessary?: The TAS5768MRMTR can drive capacitive loads up to 1 µF with proper output filtering, but stability margins degrade as capacitance increases. For cables exceeding 3 meters or piezo elements with >500 pF capacitance, a series RC network (e.g., 10 Ω + 100 nF) at each output pin is recommended to dampen high-frequency oscillations. Phase margin drops below 45° beyond 1.5 µF, risking instability; simulation or bench validation with actual load characteristics is advised during design-in.

How does the PurePath™ architecture in the TAS5768MRMTR improve audio fidelity compared to traditional PWM Class D amplifiers?: The PurePath™ architecture in the TAS5768MRMTR employs closed-loop feedback with advanced error correction and noise shaping, reducing total harmonic distortion plus noise (THD+N) to below 0.03% at 1 kHz and 1 W into 8Ω. This contrasts with open-loop or semi-open-loop designs that typically exhibit THD+N > 0.1% under similar conditions. The feedback loop also compensates for power supply ripple, maintaining consistent performance even with noisy DC-DC converters commonly used in portable systems.

What are the implications of the MSL 3 rating for the TAS5768MRMTR during high-volume manufacturing and storage?: With an MSL 3 (168 hours) rating, the TAS5768MRMTR can be exposed to ambient conditions (30°C/60% RH) for up to one week after dry packaging is opened before reflow soldering. Beyond this window, the device must be baked at 125°C for 192 hours to remove moisture and prevent popcorning during reflow. In high-volume SMT lines, this necessitates strict FIFO inventory control and moisture barrier bag resealing protocols. Stencil printing and placement should occur within controlled humidity environments (<60% RH) to avoid delamination risks.

Can the TAS5768MRMTR operate reliably in automotive cabin environments despite not being AEC-Q100 qualified?: While the TAS5768MRMTR is not AEC-Q100 certified, its operating temperature range (–25°C to 85°C) overlaps with many non-safety-critical automotive infotainment applications. However, long-term reliability under vibration, humidity cycling, and extended thermal stress (e.g., 105°C ambient under hood) is unverified. For dashboard or rear-seat audio systems with controlled thermal environments, it may be acceptable with derating and conformal coating. Critical systems should use qualified alternatives.

How does supply voltage ripple on the 3.3V rail affect audio performance in the TAS5768MRMTR, and what filtering is recommended?: The TAS5768MRMTR’s PSRR is approximately 60 dB at 1 kHz but degrades above 100 kHz, making it susceptible to high-frequency switching noise from DC-DC converters. A 10 µF ceramic capacitor combined with a 1 µH ferrite bead on the PVDD input reduces ripple-induced modulation products. In systems with >50 mVpp ripple at 2 MHz, output SNR can degrade by 6–8 dB. Localized grounding and star-point power distribution further isolate analog and digital return paths.

What design strategies minimize electromagnetic interference (EMI) when using the TAS5768MRMTR in FCC Part 15-compliant consumer products?: To meet FCC Part 15 limits, use the TAS5768MRMTR’s built-in spread-spectrum modulation and pair it with a π-filter (LC network) at each output, tuned to attenuate emissions above 30 MHz. Keep switching nodes (OUTx_P/N) as short as possible (<10 mm) and avoid routing them over split ground planes. Shielded speaker cables and common-mode chokes on I2S inputs further reduce radiated emissions. Pre-compliance testing with a near-field probe is recommended before final certification.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TAS5768MRMTR

Product Attribute
Part Number	TAS5766MRMTR	TAS5766MRMTT	TAS5768MDCAR	TAS5764LRSMT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Voltage - Supply	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Type	-	-	-	-
Max Output Power x Channels @ Load	-	-	-	-
Series	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount

TAS5768MRMTR Datasheet PDF

Download TAS5768MRMTR pdf datasheets and Texas Instruments documentation for TAS5768MRMTR - Texas Instruments.

PCN Assembly/Origin: Mult Dev Assembly Mat Chg 26/Apr/2019.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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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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TAS5768MRMTR

Texas Instruments
98D-TAS5768MRMTR

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