NXP USA Inc. TDA8920CJ/N1,112
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 23-SIP Formed Leads |
| Mfr | NXP USA Inc. |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Type | Class D |
| Output Type | 1-Channel (Mono) or 2-Channel (Stereo) |
| Supplier Device Package | DBS23P |
| Voltage - Supply | ±12.5V ~ 32.5V |
| Max Output Power x Channels @ Load | 220W x 1 @ 8Ohm; 125W x 2 @ 4Ohm |
| Features | Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby |
| Package | Tube |
| Product Status | Obsolete |
| Base Product Number | TDA8920 |
| REACH Status | REACH Unaffected |
| Standard Package | 432 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
TDA8920CJ/N1,112 High-Power Audio IC, Digital Audio Amplifier
The TDA8920CJ/N1,112 from NXP Semiconductors is a high-efficiency class-D audio power amplifier designed to deliver exceptional audio performance in a compact HSOP24 package. This monolithic integrated circuit provides a robust 2 × 50W output power into 8Ω loads or 2 × 80W into 4Ω loads when operating from a ±12.5V to ±30V dual power supply, making it ideal for high-power audio applications requiring efficient heat dissipation and minimal external components. The amplifier incorporates advanced class-D technology with high efficiency (up to 90%) and excellent audio characteristics, featuring comprehensive protection circuitry and flexible configuration options for use in professional audio systems, home entertainment equipment, and automotive audio applications where both power efficiency and sound quality are paramount.
Key Features & Applications
This class-D amplifier employs a pulse-width modulation (PWM) switching architecture operating at a carrier frequency of 200kHz, providing low distortion (0.1% THD typical) and high signal-to-noise ratio (100dB typical) across the audio bandwidth. It features integrated short-circuit protection, thermal overload protection, and overvoltage protection, ensuring reliable operation under various fault conditions. The device offers flexible operation modes including stereo, bridge-tied load (BTL), and parallel single-ended (PSE) configurations, with a wide supply voltage range enabling operation from ±12.5V to ±30V. Additional features include mute/standby functionality, low quiescent current, and excellent electromagnetic compatibility (EMC) performance, making it suitable for sensitive audio environments.
The TDA8920CJ/N1,112 is extensively used in high-performance audio systems including home theater receivers, powered speakers, and professional audio amplifiers where its high efficiency reduces heat sink requirements and power consumption. It serves critical roles in automotive infotainment systems, providing clean, powerful audio amplification for premium sound systems while withstanding the electrical challenges of the automotive environment. The amplifier is also employed in musical instruments amplifiers, public address systems, and commercial audio installations where reliability and audio quality are essential. Its robust protection features and flexible configuration options make it suitable for design into various audio products requiring high output power with minimal heat generation.
Alternative Class-D Audio Amplifier Parts
● TPA3250DDV (Texas Instruments): A 315W stereo class-D amplifier with advanced processing and protection features for high-performance audio systems.
● MA12070 (Infineon Technologies): A 80W stereo class-D amplifier employing multi-level switching technology for ultra-low distortion and high efficiency.
● IRS2092S (Infineon Technologies): A protected class-D audio driver IC offering flexible design options for custom high-power amplifier implementations.
● TAS5624A (Texas Instruments): A 300W quad class-D amplifier with integrated processing and protection for multi-channel audio applications.
