Monday, August 6, 2012

Texas Instruments, National Semiconductor,LM1875 pdf datasheet download

LM1875 20W Audio Power Amplifier

General Description

The LM1875 is a monolithic power amplifier offering very low
distortion and high quality performance for consumer audio
The LM1875 delivers 20 watts into a 4Ω or 8Ω load on ±25V
supplies. Using an 8Ω load and ±30V supplies, over 30
watts of power may be delivered. The amplifier is designed
to operate with a minimum of external components. Device
overload protection consists of both internal current limit and
thermal shutdown.
The LM1875 design takes advantage of advanced circuit
techniques and processing to achieve extremely low distortion
levels even at high output power levels. Other outstanding
features include high gain, fast slew rate and a wide
power bandwidth, large output voltage swing, high current
capability, and a very wide supply range. The amplifier is
internally compensated and stable for gains of 10 or greater.


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

Click here to download Texas Instruments, National Semiconductor,LM1875 pdf datasheet

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