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LM4852

Features: ` 1.1W (typ) output power with 8 mono BTL load` 60mW (typ) output power with stereo 32 SE loads` I2C programmable 32 step digital volume control (-40.5dB to +6dB)` Eight distinct output modes` micro-SMD and LLP surface mount packaging` Click and Pop suppression circuitry` Thermal shutd...

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SeekIC No. : 004395808 Detail

LM4852: Features: ` 1.1W (typ) output power with 8 mono BTL load` 60mW (typ) output power with stereo 32 SE loads` I2C programmable 32 step digital volume control (-40.5dB to +6dB)` Eight distinct output mo...

LM4852 Data Sheet

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Part Number:
LM4852
Supply Ability:
5000

Price Break

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

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Upload time: 2024/12/21

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Product Details

Description



Features:

` 1.1W (typ) output power with 8 mono BTL load
` 60mW (typ) output power with stereo 32 SE loads
` I2C programmable 32 step digital volume control (-40.5dB to +6dB)
` Eight distinct output modes
` micro-SMD and LLP surface mount packaging
` "Click and Pop" suppression circuitry
` Thermal shutdown protection
` Low shutdown current (0.1uA, typ)


Application

· Moblie Phones
·PDAs


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 3) Internally Limited
ESD Susceptibility (Note 4) ........... 5000V
ESD Susceptibility (Note 5) ............250V
Junction Temperature .............. 150°C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.) ..............215°C
Infrared (15 sec.)................ 220°C
Thermal Resistance
JA (typ) - LQA24A ...............42°C/W
JC (typ) - LQA24A .............. 3.0°C/W
JA (typ) - BLA18AAB ........48°C/W (Note 9)
JC (typ) - BLA18AAB ........23°C/W (Note 9)




Description

The LM4852 is an audio power amplifier system capable of delivering 1.1W (typ) of continuous average power into a mono 8 bridged-tied load (BTL) with 1% THD+N and 60mW (typ) per channel of continuous average power into stereo 32 single-ended (SE) loads with 0.5% THD+N, using a 5V power supply.

The LM4852 features a 32 step digital volume control and eight distinct output modes. The digital volume control and output modes are programmed through a two-wire I2C compatible control interface, that allows flexibility in routing and mixing audio channels. The LM4852 has 3 channels: one pair for a two-channel stereo signal and the third for a single-channel mono input.

The LM4852 is designed for cellular phone, PDA, and other portable handheld applications. It delivers high quality output power from a surface-mount package and requires only seven external components.

The industry leading micro SMD package only utilizes 2mm x 2.3mm of PCB space, making the LM4852 the most space efficient audio sub system available today.




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