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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - AudioTAS5162DKD
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TAS5162DKD - Texas Instruments

Manufacturer Part Number
TAS5162DKD
Manufacturer
Texas Instruments
Allelco Part Number
98D-TAS5162DKD
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,876 pcs available, New & Original
Parts Description
IC AMP CLASS D STER 210W 36HSSOP
Package
36-HSSOP
Data sheet
TAS5162DKD.pdf

PCN Obsolescence/ EOL

DVR8402x/TAS5x obs 13/Sep/2022.pdf
RoHs Status
ROHS3 Compliant
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In stock: 12876

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Specifications

TAS5162DKD Tech Specifications
Texas Instruments - TAS5162DKD technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TAS5162DKD

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 10.8V ~ 13.2V
Type Class D
Supplier Device Package 36-HSSOP
Series PurePath Digital™
Package / Case 36-BSSOP (0.433", 11.00mm Width) Exposed Pad
Package Tube
Product Attribute Attribute Value
Output Type 2-Channel (Stereo)
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount
Max Output Power x Channels @ Load 210W x 2 @ 6Ohm
Features Digital Inputs, Short-Circuit and Thermal Protection, Shutdown
Base Product Number TAS5162

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 4 (72 Hours)
REACH Status REACH Unaffected
ECCN EAR99

Frequently Asked Questions(FAQ)

How does the TAS5162DKD handle thermal management under sustained high-power output conditions, and what design precautions should be taken to avoid performance degradation or failure?
The TAS5162DKD incorporates integrated thermal shutdown circuitry that activates when internal junction temperatures exceed safe operating limits, typically above 150°C. During continuous operation at full rated power (210W per channel into a 6Ω load), the device dissipates approximately 40–50W of heat, necessitating effective heatsinking and airflow. Engineers must ensure the exposed pad on the 36-HSSOP package is properly soldered to a thermal plane or dedicated pad with adequate copper area. Thermal resistance from die to ambient should be minimized—ideally below 2°C/W—through use of vias, thermal reliefs, and possibly forced convection in industrial environments where ambient temperatures reach up to 70°C.
In comparison to other Class D amplifier ICs such as the TAS5707, what advantages does the TAS5162DKD offer for stereo audio applications requiring high power density and digital input compatibility?
Unlike the TAS5707, which supports mono or flexible multi-channel configurations but lacks the fixed stereo architecture and higher output power, the TAS5162DKD delivers 210W per channel into 6Ω with a fixed 2+2 channel structure optimized for stereo systems. This makes it more suitable for high-fidelity automotive and professional audio setups where channel pairing and phase alignment are critical. Additionally, while both devices accept I²S inputs, the TAS5162DKD integrates more robust protection features like short-circuit and undervoltage lockout, enhancing reliability in harsh environments compared to the TAS5707’s more basic fault detection.
What layout considerations are essential when designing a PCB for the TAS5162DKD to maintain signal integrity and minimize electromagnetic interference (EMI)?
Proper PCB layout for the TAS5162DKD requires careful attention to high-current paths, especially the power and ground return loops associated with switching outputs. The device operates at switching frequencies typically between 300kHz and 400kHz, so output inductors and capacitors must be placed within 5mm of their respective output pins to reduce parasitic inductance. Ground planes should be solid beneath the IC and surrounding components, with decoupling capacitors (e.g., 10µF ceramic and 1µF X7R near VDD pins) located as close as possible to the supply rails. Separation between analog/digital grounds and routing of feedback traces away from switching nodes help suppress radiated noise and crosstalk.
Can the TAS5162DKD operate reliably in automotive environments, and how does its temperature range and protection features support such applications?
While the TAS5162DKD specifies an industrial temperature range of 0°C to 70°C (TA), automotive systems often require extended temperature operation (-40°C to +85°C). Therefore, it may not fully comply with AEC-Q100 unless qualified separately by the user. However, its inclusion of short-circuit, overcurrent, overtemperature, and undervoltage protection makes it suitable for prototyping or non-critical automotive audio subsystems within the stated range. For production automotive designs, supplemental thermal monitoring or external current sensing might be advisable to meet functional safety standards.
How does the TAS5162DKD manage dead-time control in its H-bridge outputs, and why is this important for minimizing distortion and shoot-through current?
The TAS5162DKD implements adaptive dead-time control through its internal gate drivers, ensuring minimal but sufficient delay (typically 10–30ns) between turning off one half-bridge transistor and turning on the complementary pair. This prevents simultaneous conduction in opposing switches—known as shoot-through—which can cause excessive current surges and efficiency loss. Precise dead-time management also reduces high-frequency harmonic distortion at low output amplitudes, contributing to lower Total Harmonic Distortion (THD) below 0.1% under typical loads, making the device appropriate for high-resolution audio applications.
What impact does supply voltage variation have on the maximum achievable output power of the TAS5162DKD, and how should designers account for this in system-level power budgeting?
The TAS5162DKD supports a supply range of 10.8V to 13.2V, primarily intended for 12V battery systems common in audio installations. Since output power scales approximately with the square of supply voltage (P ∝ V²), dropping from 13.2V to 10.8V results in roughly a 17% reduction in maximum power delivery. At 10.8V into a 6Ω load, each channel delivers about 170W instead of 210W. Designers should therefore size power supplies and passive components conservatively, especially if voltage sag due to cable resistance or transient loads is anticipated.
Are there any known limitations regarding the digital input interface protocol used by the TAS5162DKD, and how does it compare to alternatives like PCM or DSD formats?
The TAS5162DKD accepts standard I²S (Inter-IC Sound) digital input only, supporting word lengths from 16 to 24 bits and sample rates up to 96kHz. It does not natively support PCM over TDM, DSD, or other proprietary protocols. This limitation means external DSPs or pre-processing stages must convert source material to I²S format before routing to the amplifier. Compared to multi-protocol amplifiers, this reduces flexibility in mixed-signal front ends but simplifies clock domain management and reduces jitter sensitivity due to the direct synchronous interface.
What role does the PurePath Digital™ series architecture play in the performance characteristics of the TAS5162DKD, particularly regarding EMI suppression and audio fidelity?
As part of Texas Instruments’ PurePath Digital™ platform, the TAS5162DKD benefits from architectural optimizations focused on reducing electromagnetic emissions and improving audio transparency. These include spread-spectrum clocking, optimized PWM modulation schemes, and tightly regulated internal bias networks. Collectively, these features contribute to lower radiated emissions in the 100MHz–1GHz range and improved Signal-to-Noise Ratio (SNR) exceeding 95dB, enabling cleaner sound reproduction even in electrically noisy environments such as vehicle cabins or studio racks.
How does the TAS5162DKD perform in bridged-mono mode, and what are the practical implications for mono subwoofer applications?
Although the TAS5162DKD is designed as a fixed stereo Class D amplifier, it can be configured in pseudo-bridged mode by tying left and right inputs together and driving a single 12Ω load across the differential outputs. In this configuration, theoretical output power increases to around 420W (into 12Ω), though efficiency and THD characteristics differ from true bridged operation due to shared modulation logic. This approach is less efficient than using two separate channels independently and may introduce intermodulation artifacts; thus, it's generally recommended only for simple mono bass reinforcement rather than critical audio reproduction.
What are the key differences between the TAS5162DKD and its substitute model TAS5162DDVR in terms of packaging, thermal performance, and application suitability?
The TAS5162DDVR is functionally equivalent to the TAS5162DKD but uses a different package variant—specifically, a 36-pin PowerPAD™ SOP instead of the 36-HSSOP. While both share identical electrical specifications, the DDVR offers better thermal conductivity due to its exposed thermal pad bonded directly to a metal lead frame, resulting in lower junction-to-case thermal resistance (around 1.5°C/W vs. ~2.2°C/W for DKD). Consequently, the DDVR can sustain slightly higher continuous output powers in compact enclosures without throttling, making it preferable for space-constrained, high-heat applications despite similar pinouts.
How sensitive is the TAS5162DKD to ground bounce and supply impedance, and what circuit techniques mitigate instability in real-world installations?
The TAS5162DKD exhibits moderate sensitivity to supply rail fluctuations and ground potential differences, particularly during rapid current transients from switching outputs. To mitigate ground bounce, engineers should implement a star-ground topology with the power stage isolated from digital control circuitry, and use low-ESR, high-C-value bulk capacitors (e.g., 220µF polymer) on each VDD pin. Additionally, placing ferrite beads or small series resistors (1–5Ω) on high-speed digital lines entering the IC helps dampen reflections and reduce conducted emissions that could couple back into sensitive internal nodes.
Is the TAS5162DKD suitable for use in battery-powered portable audio systems, and what trade-offs would arise from selecting it over lower-power Class AB alternatives?
No, the TAS5162DKD is not ideal for portable battery-operated devices due to its high quiescent current (~25mA typical) and peak efficiency plateau occurring only near 50–70% output levels. Its 210W capability implies large external MOSFETs, inductors, and capacitors, increasing bill of materials cost and board area. For portable applications, lower-power Class D ICs like TPA3116 or Class AB solutions offer superior power efficiency and smaller form factors. The TAS5162DKD remains optimal for fixed installations where AC power or robust DC sources are available.
How does the shutdown feature of the TAS5162DKD function, and what precautions are necessary to prevent unintended activation during system initialization?
The TAS5162DKD includes an active-low enable/shutdown pin that disables all internal circuits when pulled below 0.8V, reducing quiescent current to less than 1µA. During power-up sequencing, this pin must remain stable until core voltages (VDD, AVCC) reach nominal levels to avoid premature shutdown. A pull-up resistor (e.g., 10kΩ) combined with a soft-start capacitor on the enable line can smooth transition edges and prevent brown-out-induced resets. Mismanagement of this pin may result in intermittent operation or failure to start, especially in systems with slow-ramping supplies.
What are the implications of operating the TAS5162DKD outside its specified supply voltage range, and how might transient overvoltages affect long-term reliability?
Exceeding the 13.2V absolute maximum rating risks damaging the internal linear regulators and gate drivers, potentially causing latch-up or dielectric breakdown. Even brief exposure to 15V spikes without proper TVS diodes or clamping circuits can degrade performance over time. Similarly, reverse polarity must be prevented via Schottky diode protection. While the device includes basic ESD protection (±2kV HBM), it lacks comprehensive surge immunity, so robust input filtering and transient suppression are strongly advised in unregulated or noisy supply environments.
How does the TAS5162DKD’s Moisture Sensitivity Level (MSL) of 4 influence manufacturing handling procedures, and what risks exist if assembly occurs beyond recommended floor life?
With an MSL rating of 4, the TAS5162DKD requires storage in dry pack conditions below 30°C and 60% RH, with floor life limited to 72 hours after desiccant removal. If exposed to ambient humidity beyond this window, condensation during reflow soldering can cause popcorning—delamination and cracking of plastic encapsulants—leading to catastrophic failure. Manufacturers must follow IPC/JEDEC J-STD-033 guidelines, including baking prior to rework if storage thresholds are exceeded, to preserve device integrity.
What diagnostic signals are available on the TAS5162DKD for fault monitoring, and how can they be leveraged during system integration testing?
The TAS5162DKD provides several status indicators: FAULT (open-drain output asserting during thermal, short-circuit, or overcurrent events), CLIP (indicating clipping condition), and STDBY (reflecting shutdown state). These signals allow real-time monitoring of amplifier health without interrupting operation. During bench testing, connecting these pins to a microcontroller GPIO enables logging of fault codes and verification of protection response times, facilitating faster debugging of thermal, load, or signal anomalies in prototype builds.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TAS5162DKD

Product Attribute TAS5162DKDR TAS5152DKDG4 TAS5162DDVR TAS5152DKDR
Part Number TAS5162DKDR TAS5152DKDG4 TAS5162DDVR TAS5152DKDR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Max Output Power x Channels @ Load - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Supply - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Features - - - Simultaneous Sampling
Type - - - -
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
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount

TAS5162DKD Datasheet PDF

Download TAS5162DKD pdf datasheets and Texas Instruments documentation for TAS5162DKD - Texas Instruments.

PCN Assembly/Origin
Mult Dev Assem Mat Chg 13/Dec/2018.pdf
PCN Obsolescence/ EOL
DVR8402x/TAS5x obs 13/Sep/2022.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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TAS5162DKD Image

TAS5162DKD

Texas Instruments
98D-TAS5162DKD

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