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LM4865

Features: DC volume controlHeadphone amplifier mode Click and pop suppressionShutdown control when volume control pin is lowThermal shutdown protectionApplicationGSM phones and accessories, DECT, office phonesHand held radioOther portable audio devicesPinoutSpecificationsSupply Voltage 6.0VStora...

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SeekIC No. : 004395823 Detail

LM4865: Features: DC volume controlHeadphone amplifier mode Click and pop suppressionShutdown control when volume control pin is lowThermal shutdown protectionApplicationGSM phones and accessories, DECT, ...

LM4865 Data Sheet

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Part Number:
LM4865
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:

DC volume control
Headphone amplifier mode
"Click and pop" suppression
Shutdown control when volume control pin is low
Thermal shutdown protection




Application

GSM phones and accessories, DECT, office phones
Hand held radio
Other portable audio devices




Pinout

Connection Diagram




Specifications

Supply Voltage 6.0V
Storage Temperature−65 to +150
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
Soldering Information
Vapor Phase (60 sec.) 215
Infrared (15 sec.) 220
Thermal Resistance
qJC (SOP) 35/W
qJA (SOP) 150/W
qJC (MSOP) 56/W
qJA (MSOP) 190/W

Power@ 8Ohms, 1% THD 0.75 Watt
Power@ 8Ohms, 10% THD 1 Watt
THD 0.6 %
PSRR 50 dB
SNR 115 dB
Channels 1 Channels
Supply Range +2.7 - +5.5 V
THD Conditions Po=300mW @ Vs=5V, R=8 ohms
User Supply 5 Volt
Shutdown Type High
Temperature Min -40 deg C
Temperature Max 85 deg C
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Description

The LM4865 is a mono bridged audio power amplifier withDC volume control, capable of delivering 750 mW of continuousaverage power into an 8W load with less than 1% THDfrom a 5V power supply. Switching between bridged speakermode and headphone (single ended) mode is accomplishedvia a headphone sense pin. In addition, LM4865 is set intolow current consumption shutdown mode (0.7 µA typical) bylowering the DC Vol/SD pin to below 0.3V.

Boomer audio power amplifiers are designed specifically toprovide high power audio output, with quality sound, from alow supply voltage source while requiring the minimalamount of external components.






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