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LM4874

Features: Fully differential input and output Internal gain set: 6dB, 10dB, 15.6dB, and 21.6dBImproved 'click and pop' suppressionThermal shutdown protection circuitUltra low current micropower shutdown mode 3.0V to 5.5V operationAvailable in space-saving exposed-DAP TSSOPpackageApplication Noteb...

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SeekIC No. : 004395833 Detail

LM4874: Features: Fully differential input and output Internal gain set: 6dB, 10dB, 15.6dB, and 21.6dBImproved 'click and pop' suppressionThermal shutdown protection circuitUltra low current micropower shu...

LM4874 Data Sheet

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Part Number:
LM4874
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:

Fully differential input and output
Internal gain set: 6dB, 10dB, 15.6dB, and 21.6dB
Improved 'click and pop' suppression
Thermal shutdown protection circuit
Ultra low current micropower shutdown mode
3.0V to 5.5V operation
Available in space-saving exposed-DAP TSSOPpackage


Application

Notebook computers
PDAs
 Portable electronic devices


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
See AN-450 "Surface Mounting and their
Product Reliability" for other methods
mount devices.
Thermal Resistance
JC (typ) MXA20A
JA (typ) MXA20A
2°C/W
41°C/W (Note 7)



Description

The LM4874 features differential stereo inputs, BTL (bridgetied load) outputs, and four externally selectable fixed gains.

Operating on a single 5V supply, the LM4874 delivers 1.2W, 1.9W, or 2.1W (typ) of output power to an 8Ω, 4Ω, or 3Ω BTL load (Note 1), respectively, with less than 1% THD+N. The LM4874's gain is selected using two digital inputs. The nominal gain values are 6dB, 10dB, 15.6dB, and 21.6dB. The LM4874 is designed for notebook and other handheld portable applications. It delivers high quality output power from a surface-mount package and requires few external components.

Other features include an active-low micropower shutdown mode input and thermal shutdown protection.




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