LM1875 Amplifier Datasheet

LM1875 Datasheet, PDF, Equivalent


Part Number

LM1875

Description

20W Audio Power Amplifier

Manufacture

etcTI

Total Page 16 Pages
Datasheet
Download LM1875 Datasheet


LM1875
LM1875
www.ti.com
SNAS524A – MAY 2004 – REVISED MAY 2004
LM1875 20W Audio Power Amplifier
Check for Samples: LM1875
FEATURES
1
2 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
APPLICATIONS
• High Performance Audio Systems
• Bridge Amplifiers
• Stereo Phonographs
• Servo Amplifiers
• Instrument Systems
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 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.
Connection Diagram
Figure 1. NDH0005D, KC0005A,
NEB0005E, NEB0005B,
Front View
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004, Texas Instruments Incorporated

LM1875
LM1875
SNAS524A – MAY 2004 – REVISED MAY 2004
Typical Applications
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings(1)
Supply Voltage
60V
Input Voltage
Storage Temperature
VEE to VCC
65°C to + 150°C
Junction Temperature
150°C
(Soldering, 10 seconds)
260°C
Lead Temperature
θJC
θJA
3°C
73°C
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits.
2 Submit Documentation Feedback
Product Folder Links: LM1875
Copyright © 2004, Texas Instruments Incorporated


Features LM1875 www.ti.com SNAS524A – MAY 200 4 – REVISED MAY 2004 LM1875 20W Audi o Power Amplifier Check for Samples: LM 1875 FEATURES 1 •2 Up to 30 Watts Ou tput Power • AVO Typically 90 dB • Low Distortion: 0.015%, 1 kHz, 20 W • Wide Power Bandwidth: 70 kHz • Prote ction for AC and DC Short Circuits to G round • Thermal Protection with Parol e Circuit • High Current Capability: 4A • Wide Supply Range 16V-60V • In ternal Output Protection Diodes • 94 dB Ripple Rejection • Plastic Power P ackage TO-220 APPLICATIONS • High Per formance Audio Systems • Bridge Ampli fiers • Stereo Phonographs • Servo Amplifiers • Instrument Systems DESC RIPTION The LM1875 is a monolithic powe r amplifier offering very low distortio n and high quality performance for cons umer audio applications. The LM1875 del ivers 20 watts into a 4Ω or 8Ω load o n ±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 ov.
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