Infineon Technologies MA12070 | Demoboard DEMO_BASSAMP_60W_MA12070

Description

The MA12070 musical instrument bass amplifier is a wall adapter or battery powered, 60W, professionally featured and ultra-efficient fits-in-your-pocket bass instrument amplifier. It is modelled after classic vacuum-tube bass amplifier topology and utilizes the exceptional audio quality and best-in-class efficiency of Infineon's MERUS™ amplifier technology to amplify every nuance of a genuine vacuum-tube preamplifier.

Features

• Multi-level switching technology with 3-level and 5-level modulation
• 2×80W peak output power (26V PVDD,RL =4Ω, 10% THD+N level)
• Supply voltages: +4V to +26V (PVDD) and +5V (A/DVDD)
• Suitable for 2.0, 2.1, 4.0, 1.0 output stage configurations
• 4th order feedback error control
• <160mW Idle power dissipation (26V PVDD, all channels switching)

• 80% efficiency at 2W power (1kHz sine, 8Ω)

• 91% efficiency at full Power (1kHz sine, 8Ω)

• Audio performance (PMP2): >110dB SNR (A-w, rel. to 1% THD+N power level)
• 45µV output integrated noise (A-w)
• 0.004% THD+N at high output levels
• I2C control (four selectable addresses)
• Built-in protection: under-voltage-lockout, over-temperature warning/error, short-circuit/overload protection, power stage pin-to-pin short-circuit, error-reporting through serial interface (I2C), DC protection

Typical applications

• Battery Operated Speakers, Wireless and Docking Speakers, Soundbars, Multiroom Systems, Home Theater Systems.

More information

• Datasheet
• IC product information