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LM4873_1334329

Features: Input mux control and two separate inputs per channel Stereo headphone amplifier mode Click and pop suppression circuitry Thermal shutdown protection circuitryExposed-DAP TSSOP and TSSOP packaging availableApplicationMultimedia monitors Portable and desktop computersPortable audio syst...

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SeekIC No. : 004395832 Detail

LM4873_1334329: Features: Input mux control and two separate inputs per channel Stereo headphone amplifier mode Click and pop suppression circuitry Thermal shutdown protection circuitryExposed-DAP TSSOP and TSSOP...

LM4873_1334329 Data Sheet

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Part Number:
LM4873_1334329
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Input mux control and two separate inputs per channel
Stereo headphone amplifier mode
"Click and pop" suppression circuitry
Thermal shutdown protection circuitry
 Exposed-DAP TSSOP and TSSOP packaging available


Application

Multimedia monitors
Portable and desktop computers
 Portable audio systems


Pinout

Connection Diagram


Specifications

Supply Voltage

6.0V

Storage Temperature
-65°C to +150°C
Input Voltage
-0.3V to VDD +0.3V
Power Dissipation (Note 11)
Internally limited
Solder Information (Note 1)Vapor Phase (60 sec.)
Infrared (15 sec.)
215°C
220°C
ESD Susceptibility (Note 13)
200V
Junction Temperature
150°C
Thermal Resistance
qJC (typ)-M16B
qJA (typ)-M16B
qJC (typ)-N16A
qJA (typ)-N16A
qJC (typ)-MTC20
qJA (typ)-MTC20
qJC (typ)-MXA20A
qJA (typ)-MXA20A
qJA (typ)-MXA20A
qJA (typ)-MXA20A
qJC (typ)-MXA28A
qJA (typ)-MXA28A
qJA (typ)-MXA28A
qJA (typ)-MXA28A
20°C/W
80°C/W
20°C/W
63°C/W
20°C/W
80°C/W
2°C/W
41°C/W (Note 5)
51°C/W (Note 6)
90°C/W (Note 7)
2°C/W
41°C/W (Note 8)
51°C/W (Note 9)
90°C/W (Note 10)



Description

The LM4873_1334329 is a dual bridge-connected audio power amplifier which, when connected to a 5V supply, will deliver 2.1W to a 4W load (Note 1) or 2.4W to a 3W load (Note 2)with less than 1.0% THD+N. In addition, the headphone input pin allows the amplifiers to operate in single-ended mode to drive stereo headphones.

A Mux Control pin toggles between the two stereo sets of amplifier inputs, allowing for two selectable amplifier closed-loop responses. Boomer audio power amplifiers were designed specifically to provide high quality output power from a surface mount package while requiring few external components. To simplify audio system design, the LM4873 combines dual bridge speaker amplifiers and stereo headphone amplifiers on one chip.

The LM4873_1334329 features an externally controlled, low-power consumption shutdown mode, a stereo headphone amplifier mode, and thermal shutdown protection. It also utilizes circuitry to reduce "clicks and pops" during device turn-on.




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