| Title： | LM1875 Power Amplifier Module High Voltage High Current Amplification 55V Peak Motor Drive Power Amplifier Board | ||
| Module model: |
LM1875 |
Module type: | low frequency power amplifier |
| Input signal formation: | single-ended | Input voltage range: | 2Vpp (MAX), generally within the power supply |
| Module input impedance: | 10K ohm | Module power supply voltage: | ±8V-±30V |
| Module power supply current: | ±4A (large output current requires large power supply current) | Module output impedance: | low impedance |
| Output voltage range: | 55Vpp (MAX), under ±30V power supply | Output current: | 4A (MAX) |
| Output power: | 30W (MAX) | Module gain: | 44 times. (The default gain is 44 times, the first stage is 11 times, the second stage is 4 times, G1=R2/R1+1, G2=R8/R10+1) |
| Input offset voltage: | 3mV (MAX) | Input offset drift: | 10uV/℃(MAX) |
| Input bias current: | 125mA (MAX) | Input current noise: | 35nV √Hz (1KHz) |
| Module protection: | None (no reverse connection protection, unlimited current protection) | Module heating: | radiator (forced air cooling is required for high current) |
| Module working temperature: | -40℃--+75℃ (industrial grade) | Module interface type: | SMA signal signal input and output, 5.08 blue power card line socket. |
| Module specification: | 96X64X42mm | Module weight: | 125g |
| Application range: | small signal amplifier, audio signal amplifier, motor drive, servo amplifier, etc. | ||
| Package: |
1*Low Frequency Power Amplifier |
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On May-20-21 at 19:43:19 PDT, seller added the following information: