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Amplifier module stereo Class D Infineon MA5332 2x150W / 4 Ohm
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Amplifier Module Stereo Class D Infineon MA5332 2x150W / 4 Ohm
This Class D stereo amplifier module is based on an Infineon MA5332 amplifier chip. This module has a compact form factor, but develops an output power of up to 2x150W under 4 Ohm. It also integrates a dual NE5532 AOP, a PWM controller, 78M05, 78M10 and 79M05 voltage regulators and 6 x 50V 470uF capacitors. The MA5332 amplifier chip incorporates overvoltage, overcurrent, undervoltage and undercurrent protection. A heat sink is mounted on the MA5332 amplifier chip for efficient heat dissipation. A mute system to prevent noise on power-up completes the package.
Signal input is via a 3-pin PCB connector, while two PCB connectors with screw terminal adapters are located on the output side. Power is supplied to the module via a 3-pin PCB connector, also with screw terminal adapters. This amplifier module accepts a supply voltage range of +/-22V to +/-40V DC 8A.
A +/- 5V secondary output on soldering pads can be used to power a small preamplifier or digital-to-analog converter (DAC) module.
Overview of the Infineon MA5332 Class D stereo amplifier module
| A | 1: Channel 1 input / 2: GND / 3: Channel 2 input |
| B | External power supply output +/-5V |
| C | 4: GND / 5: Channel 1 output |
| D | Power supply input +/-22V to +/-40V DC 8A |
| E | 6: GND / 7: Channel 2 output |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Class D stereo amplifier module |
| Amplification chipn | Infineon MA5332 |
| OPA | NE5532 |
| Input | 1x Single-ended stereo input |
| Ouputs | 1x unbalanced right-channel output on PCB connector/screw terminal block 1x unbalanced left channel output on PCB connector/screw terminal block |
| Additional connectors | +/-5V DC power supply output on solder pads |
| Power output | 2x 150W @ 4 Ohm (THD+N = 1%, +/-36.5V DC) 2x 120W @ 2 Ohm (THD+N = 1%, +/-23V DC) 2x 110W @ 6 Ohm (THD+N = 1%, +/-40V DC) |
| THD+N | 0.01% (@ 1kHz, 70W, 4 Ohm) |
| General | |
|---|---|
| Power supply | +/-22V to +/-40V DC 8A (ideal +/-36.5V DC) |
| Dimensions | 100 x 62 x 25mm |
| Mounting holes | 92 x 54mm |
| Weight | 134g |
| Package | 1x MA5332 class D stereo amplifier module 1x 3-pin wiring PCB connector to bare wires 4x Screws 4x Spacer 3x Screw terminal adapter |
| Input | PCB Connector |
| Output | Screw terminals |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | Infineon MA5332M |
| Power (W) | 150.0 |
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