STMicroelectronics TDA2822D013TR

Overview

TDA2822D013TR from STMicroelectronics is a dual low-voltage audio power amplifier in SO-8 package, designed for stereo or bridge-tied-load (BTL) operation. It delivers up to 380 mW per channel into 8 Ω at 6 V (stereo) or 400 mW in BTL mode into 8 Ω, with supply voltage range 1.8–15 V, quiescent current 15 mA, and THD ≤0.2% at rated output-used in portable cassette players, CD players, and battery-powered radios.

For engineers reviewing the TDA2822D013TR datasheet, TDA2822D013TR pinout, TDA2822D013TR application, or TDA2822D013TR equivalent, key selection criteria include dual-channel BTL/stereo flexibility, low-voltage operation down to 1.8 V, thermal resistance (200 °C/W), crossover distortion performance, and SO-8 footprint compatibility with space-constrained audio designs.

Technical Context

The TDA2822D013TR integrates two identical Class-AB amplifier channels on a single die, supporting independent stereo operation or combined BTL output for higher single-load power. Its internal biasing enables stable quiescent current (15 mA total) across 1.8–15 V supply, and input stage features 100 kΩ input resistance and 100 nA bias current.

Bridge-mode operation requires external feedback configuration per Figure 3 of DS0119 Rev 3; stereo mode uses standard non-inverting gain setup (36–41 dB closed-loop gain). Total harmonic distortion remains ≤0.2% across RL = 4–32 Ω at specified output levels, with supply rejection of 30 dB (stereo) and 40 dB (bridge) at 100 Hz.

Key Specifications

Pinout & Package

SO-8 surface-mount package (ECOPACK® compliant), 4.9 mm × 6.0 mm body, 1.27 mm pitch, 1.25 mm height, with exposed pad not electrically connected. Thermal resistance junction-to-ambient is 200 °C/W at Tamb = 50 °C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual low-voltage audio amplifier applications.

Compared with LM4864MM/NOPB and TPA2010D1YZFR, the TDA2822D013TR uniquely supports both stereo and BTL modes in a single SO-8 package with 1.8 V start-up, making it optimal for cost-sensitive, space-constrained portable audio where design reuse across product variants is critical.

Availability

TDA2822D013TR is available at Aetrix Electronics and suitable for portable audio playback, battery-powered radios, and compact speaker systems requiring stable component supply, long-lifecycle availability, and SO-8 footprint consistency.

Supply support for TDA2822D013TR 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.

The TDA2822D013TR belongs to ST's legacy audio power amplifier product line, engineered specifically for low-voltage, low-cost portable audio applications where reliability, thermal robustness, and dual-mode (stereo/BTL) flexibility are essential.

FAQ

Can TDA2822D013TR operate from a single 3.7 V Li-ion cell?

Yes. The device operates from 1.8 V to 15 V, and its 3.7 V nominal Li-ion supply falls well within specification. At 3.7 V, it delivers ~45 mW per channel into 32 Ω (stereo) or ~100 mW into 8 Ω (BTL), with THD ≤0.2%. No level-shifting or boost circuitry is required.

What is the recommended decoupling for V_CC (Pin 8)?

A minimum 100 µF electrolytic capacitor (low-ESR, ≥6.3 V rating) placed within 2 mm of Pin 8 is required, supplemented by a 100 nF ceramic capacitor in parallel. This stabilizes the supply during transient output current demands and prevents oscillation, especially in BTL mode.

Does TDA2822D013TR require external compensation components?

No. The amplifier is internally compensated for unity-gain stability across its specified supply and load conditions. External compensation is unnecessary for standard stereo or BTL configurations shown in Figures 2 and 3 of DS0119 Rev 3.

How does thermal performance change when used in bridge mode?

In bridge mode, total power dissipation increases due to higher output current into the same load. At 6 V and 400 mW into 8 Ω, junction temperature rise is ~80 °C above ambient (P_tot ≈ 0.5 W × R_thj-amb). PCB copper area and airflow must be verified per Figure 7/8 in DS0119 Rev 3 to stay below 150 °C max junction temperature.