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LM4671ITL, LM4671ITLXNOPB, LM4673

LM4671ITL, LM4671ITLXNOPB, LM4673 Selling Leads, Datasheet

MFG:NS  Package Cooled:08+  D/C:1000

LM4671ITL, LM4671ITLXNOPB, LM4673 Picture

LM4671ITL, LM4671ITLXNOPB, LM4673 Datasheet download

Five Points

Part Number: LM4671ITL

 

MFG: NS

Package Cooled: 08+

D/C: 1000

 

 

 
 
 
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  • LM4013

  • Pack: DIP Qty: 5000  Adddate: 2024-03-28
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  • YingKe Electronic hong   China
    Contact: Mr.CHENHANWEI   MSN:yingkeda@hotmail.com
    Tel: 886-754-3806635
    Fax: 886-754-6672782
    (0)
  • LM4021

  • Pack: DIP Qty: 10000  Adddate: 2024-03-28
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  • YingKe Electronic hong   China
    Contact: Mr.CHENHANWEI   MSN:yingkeda@hotmail.com
    Tel: 886-754-3806635
    Fax: 886-754-6672782
    (0)

About LM40

PDF/DataSheet Download

Datasheet: LM40

File Size: 378376 KB

Manufacturer: NSC [National Semiconductor]

Download : Click here to Download

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LM4671ITLXNOPB Suppliers

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  • LM4013

  • Pack: DIP Qty: 5000  Adddate: 2024-03-28
  • Inquire Now
  • YingKe Electronic hong   China
    Contact: Mr.CHENHANWEI   MSN:yingkeda@hotmail.com
    Tel: 886-754-3806635
    Fax: 886-754-6672782
    (0)
  • LM4021

  • Pack: DIP Qty: 10000  Adddate: 2024-03-28
  • Inquire Now
  • YingKe Electronic hong   China
    Contact: Mr.CHENHANWEI   MSN:yingkeda@hotmail.com
    Tel: 886-754-3806635
    Fax: 886-754-6672782
    (0)

About LM40

PDF/DataSheet Download

Datasheet: LM40

File Size: 378376 KB

Manufacturer: NSC [National Semiconductor]

Download : Click here to Download

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LM4673 Suppliers

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  • LM4673SD NOPB

  • D/C: 05+&   Adddate: 2024-03-28
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  • orientelec   China
    Contact: Ms.Jessica Ren   MSN:jessica@orientelec.cn
    Tel: 86-10-62103873/62101821
    Fax: 86-10-62102720
    (5)
  • LM4673SD/NOPB

  • D/C: 10+& Qty: 10000 Note: our new and original stock in China  Adddate: 2024-03-28
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  • shanghhai xinshen   China
    Contact: Mr.Mrliu   MSN:ldstar8@msn.com
    Tel: 0086-0755-18955684138
    Fax: 0086-0755-22142437
    (22)
  • LM4673TM NOPB

  • D/C: 05+&   Adddate: 2024-03-28
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  • orientelec   China
    Contact: Ms.Jessica Ren   MSN:jessica@orientelec.cn
    Tel: 86-10-62103873/62101821
    Fax: 86-10-62102720
    (5)
  • LM4673TMX NOPB

  • D/C: 04+&   Adddate: 2024-03-28
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  • orientelec   China
    Contact: Ms.Jessica Ren   MSN:jessica@orientelec.cn
    Tel: 86-10-62103873/62101821
    Fax: 86-10-62102720
    (5)
  • LM4013

  • Pack: DIP Qty: 5000  Adddate: 2024-03-28
  • Inquire Now
  • YingKe Electronic hong   China
    Contact: Mr.CHENHANWEI   MSN:yingkeda@hotmail.com
    Tel: 886-754-3806635
    Fax: 886-754-6672782
    (0)
  • LM4021

  • Pack: DIP Qty: 10000  Adddate: 2024-03-28
  • Inquire Now
  • YingKe Electronic hong   China
    Contact: Mr.CHENHANWEI   MSN:yingkeda@hotmail.com
    Tel: 886-754-3806635
    Fax: 886-754-6672782
    (0)

About LM4673

PDF/DataSheet Download

Datasheet: LM4673

File Size: 911560 KB

Manufacturer: NATIONAL

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LM4673 General Description

The LM4673 is a single supply, high efficiency, 2.65W, mono, Class D audio amplifier. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, board area consumption, system cost, and simplifying design.

The LM4673 is designed to meet the demands of mobile phones and other portable communication devices. Operating on a single 5V supply, it is capable of driving a 4Ω speaker load at a continuous average output of 2.1W with less than 1% THD+N. Its flexible power supply requirements allow operation from 2.4V to 5.5V. The LM4673 has high efficiency with speaker loads compared to a typical Class AB amplifier. With a 3.6V supply driving an 8Ω speaker, the IC's efficiency for a 100mW power level is 80%, reaching 88% at 400mW output power.

The LM4673 features a low-power consumption shutdown mode. Shutdown may be enabled by driving the Shutdown pin to a logic low (GND).

The gain of the LM4673 is externally configurable which allows independent gain control from multiple sources by summing the signals. Output short circuit and thermal overload protection prevent the device from damage during fault conditions.

LM4673 Maximum Ratings

Supply Voltage (Note 1)
Storage Temperature
Voltage at Any Input Pin
Power Dissipation (Note 3)
ESD Susceptibility, all other pins (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (TJMAX)
Thermal Resistance
JA (micro SMD)
JA (LLP) (Future Product)

6.0V
−65°C to +150°C
VDD + 0.3V V GND - 0.3V
Internally Limited
2.0kV
200V
150°C

99.1°C/W
TBD°C/W

LM4673 Features

Mono Class D Operation
No output filter required for inductive loads
Externally configurable gain
Very fast turn on time: 17µs (typ)
Minimum external components
 "Click and pop" suppression circuitry
Micro-power shutdown mode
Available in space-saving 0.4mm pitch micro SMD and LLPTm (Future Product) packages

LM4673 Typical Application

Mobile phones
PDAs
Portable electronic devices

LM4673 Connection Diagram

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