Amplifier

features :

• Up to 30 watts output power
• AVO typically 90 dB
• Low distortion: 0.015%, 1 kHz, 20 W
• Wide power bandwidth: 70 kHz
• Protection for AC and DC short circuits to ground
• Thermal protection with parole circuit
• High current capability: 4A
• Wide supply range 16V-60V
• Internal output protection diodes
• 94 dB ripple rejection
• Plastic power package TO-220


General Description
The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.

The LM1875 delivers 20 watts into a 4 or 8 load on ±25V supplies.



Applications
• High performance audio systems
• Bridge amplifiers
• Stereo phonographs
• Instrument systems

       Parameters     Values
Power@ 4Ohms, 1% THD     20 Watt
Power@ 8Ohms, 1% THD     25 Watt
Power@ 8Ohms, 10% THD     30 Watt
THD     0.022 %
PSRR     95 dB
Channels     1 Channels
Special Features     AvCl>10
THD Conditions     Pout=20W, 4ohm load, 1kHz
User Supply     50 Volt
Supply Range     +20 - +60V
Supply Min     16 Volt
Supply Max     60 Volt
Gain Bandwidth     5.5 MHz
Slew Rate     8 Volts/usec
Temperature Min     0 deg C
Temperature Max     70 deg C

source :National Semiconduktor