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LM4900

Features: MSOP, LLP, and SOP packagingNo output coupling capacitors, bootstrap capacitors, or snubber circuits are necessaryThermal shutdown protection circuitryUnity-gain stableExternal gain configuration capabilityLatest generation click and pop suppression circuitryApplicationCellular phonesP...

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SeekIC No. : 004395865 Detail

LM4900: Features: MSOP, LLP, and SOP packagingNo output coupling capacitors, bootstrap capacitors, or snubber circuits are necessaryThermal shutdown protection circuitryUnity-gain stableExternal gain config...

LM4900 Data Sheet

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Part Number:
LM4900
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:

MSOP, LLP, and SOP packaging
No output coupling capacitors, bootstrap capacitors, or snubber circuits are necessary
Thermal shutdown protection circuitry
Unity-gain stable
External gain configuration capability
Latest generation "click and pop" suppression circuitry




Application

Cellular phones
PDA's
Any portable audio application




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)........................................ 2000V
ESD Susceptibility (Note 5) ..........................................200V
Junction Temperature ................................................150°C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.) ............................................215°C
Infrared (15 sec.) ....................................................220°C
See AN-450 "Surface Mounting and their Effects
on Product Reliability" for other methods of
soldering surface mount devices.
Thermal Resistance
JC (M08A) ...........................................................35°C/W
JA (M08A) .........................................................170°C/W
JC (MUA08A) .......................................................56°C/W
JA (MUA08A)..................................................... 190°C/W
JA (LDA08B) ........................................................67°C/W

THD 0.4 %
PSRR 67 dB
SNR 100 dB
Channels 1 Channels
Supply Range +2.0 - +5.5 V
THD Conditions Po=.4Wrms@Vs=5V, R=8ohms, @20Hz-20kHz
PSRR Conditions 1KHz, 200mV
User Supply 5 Volt
Shutdown Type High
Temperature Min -40 deg C
Temperature Max 85 deg C
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Description

The LM4900 is a bridged audio power amplifier capable of delivering 265mW of continuous average power into an 8 load with 1% THD+N from a 3.3V power supply.

Boomer® audio power amplifiers were designed specifically to provide high quality output power from a low supply voltage while requiring a minimal amount of external components.

Since the LM4900 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.

The LM4900 features an externally controlled, low power consumption shutdown mode, and thermal shutdown protection. The closed loop response of the unity-gain stable LM4900 can be configured by external gain-setting resistors.






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