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LM4850

Features: Mono 1.5W BTL or stereo 300mW outputHeadphone sense Click and pop suppression circuitryNo bootstrap capacitors requiredThermal shutdown protectionUnity-gain stableLLP, TSSOP, and MSOP packagingApplicationPortable computersDesktop computersPDA'sHandheld gamesPinoutSpecificationsSupply Vo...

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SeekIC No. : 004395803 Detail

LM4850: Features: Mono 1.5W BTL or stereo 300mW outputHeadphone sense Click and pop suppression circuitryNo bootstrap capacitors requiredThermal shutdown protectionUnity-gain stableLLP, TSSOP, and MSOP pac...

LM4850 Data Sheet

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Part Number:
LM4850
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:

Mono 1.5W BTL or stereo 300mW output
Headphone sense
"Click and pop" suppression circuitry
No bootstrap capacitors required
Thermal shutdown protection
Unity-gain stable
LLP, TSSOP, and MSOP packaging




Application

Portable computers
Desktop computers
PDA's
Handheld games




Pinout

Connection Diagram




Specifications

Supply Voltage ..................................................6.0V
Storage Temperature ...................−65°C to +150°C
ESD Susceptibility (Note 5) ..............................3.5kV
ESD Machine model (Note 8) ............................250V
Junction Temperature (TJ) ..............................150°C
Solder Information (Note 2)
Small Outline Package
Vapor Phase (60 sec.) .................................215°C
Infrared (15 sec.) 2........................................20°C
Thermal Resistance
JA (typ)-MUB10A ....................................194°C/W
JC (typ)-MUB10A...................................... 52°C/W
JA (typ)-MTC14...................................... 150°C/W
JC (typ)-MTC14 ........................................40°C/W
JA (typ)-LDA14A (Note 10)....................... 56°C/W
JC (typ)-LDA14A ......................................4.3°C/W

Power@ 4Ohms, 1% THD 1.7 Watt
Power@ 8Ohms, 1% THD 1.1 Watt
Power@ 4Ohms, 10% THD 2.4 Watt
Power@ 8Ohms, 10% THD 1.45 Watt
SNR 100 dB
Channels 2 Channels
Supply Range +2.4 - +5.5 V
THD Conditions Undefined
PSRR Conditions Undefined
SNR Conditions Undefined
User Supply 5 Volt
Temperature Min -40 deg C
Temperature Max 85 deg C
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Description

The LM4850 is an audio power amplifier capable of delivering 1.5W (typ) of continuous average power into a mono 4 bridged-tied load (BTL) with 1% THD+N or 95mW per channel of continuous average power into stereo 32 single-ended (SE) loads with 1% THD+N, using a 5V power supply.

The LM4850 can automatically switch between mono BTL and stereo SE modes utilizing a headphone sense pin. It is ideal for any system that provides both a monaural speaker output and a stereo line or headphone output

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4850 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4850 features an externally controlled, micropower consumption shutdown mode and thermal shutdown protection. The unity-gain stable LM4850's gain is set by external gain-setting resistors






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