Усилитель НЧ OEP3W 3 Ватта 3-5 Вольт

Описание

Усилитель НЧ OEP3W 3 Ватта 3-5 Вольт

• Specifications Model: OEP3W_2.54MM amplifier
• Working mode: Class D (PWM modulation)
• Chip: OEP3W
• Number of channels: Mono
• Power supply range: DC2.5 ~ 5V
• Amplifier gain: 20dB (change resistance parameter adjustable)
• Input impedance: 46k Ω
• Output impedance: 8 ~ 4 Ω
• Quiescent current: 3mA (5v power supply)
• Shutdown current: <0.1mA (5v power supply)
• Recommended sound: 3 ~ 10w
• Signal to noise ratio: 95bB
• Harmonic Distortion: <0.1%
• Frequency response range: 30Hz ~ 20kHz
• Operating temperature: -40 ~ 85
• Cooling volume: no heat dissipation
• Protection function: no protection function
• Note: Gain is suitable for computer use
• Output power:    3w THD + N = 10% (4Ω, 5v)
•                             1.8w THD + N = 10% (8Ω, 5v)
•                              2.5w THD + N = 1% (4Ω, 5v)
•                              1.4w THD + N = 1% (8Ω, 5v)

• CS: chip select (floating or high, boot; low, shutdown)
• IN-: audio signal input negative
• IN +: audio signal input positive
• GND: Power ground
• VCC: Positive power supply
• SP +: audio signal output positive, then horn +
• SP-: audio signal output positive, then speaker –