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TMPA2055DM

Features: 4.5V to 5.5V Single SupplyUp to 2.7W at 5V, 3 ohmsUp to 85% Power Efficiency2.2mA Quiescent Current at 5VLess Than 0.2uA Shutdown CurrentPopless Power-Up, Shutdown and RecoveryDifferential 230 KHz PWM Allows Bridge-Tied Load to Doubles Output Power and Eliminates LC Output FilterCommon M...

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SeekIC No. : 004524740 Detail

TMPA2055DM: Features: 4.5V to 5.5V Single SupplyUp to 2.7W at 5V, 3 ohmsUp to 85% Power Efficiency2.2mA Quiescent Current at 5VLess Than 0.2uA Shutdown CurrentPopless Power-Up, Shutdown and RecoveryDifferential...

TMPA2055DM Data Sheet

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Part Number:
TMPA2055DM
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:

4.5V to 5.5V Single Supply
Up to 2.7W at 5V, 3 ohms
Up to 85% Power Efficiency
2.2mA Quiescent Current at 5V
Less Than 0.2uA Shutdown Current
Popless Power-Up, Shutdown and Recovery
Differential 230 KHz PWM Allows Bridge-Tied Load to Doubles Output Power and Eliminates LC Output Filter
Common Mode Structure Requires No Input Capacitors
BTL Output Requires No Output Capacitors
Thermal Shutoff and Automatic Recovery
Short-Circuit Protection
Differential Signal Processing Improves CMRR
Package:TSSOP8, SOP8, MSOP8 Available


Application

Multimedia application includes Cellular Phones, PDAs, DVD/CD players, TFT LCD TVs/Monitors, 2.1 channel/5.1 channel audio systems, USB audio. It is also ideal for other portable devices like Wireless Radios.




Pinout

Connection Diagram


Specifications

Supply voltage, VDD In normal mode -0.3V to 6V V
In shutdown mode -0.3V to 7V V
Input voltage, VI -0.3V to VDD+0.3V V
Continuous total power dissipation See package dissipation ratings
Operating free-air temperature, TA -20 to 85 .C
Operating junction temperature, TJ -20 to 150 .C
Storage temperature, Tstg -40 to 150 .C
Lead temperature 1,6mm(1/16 inch)from case for 10 seconds 260 .C



Description

The TMPA2055DM is a mono class-D filterfree audio power amplifier IC. It delivers up to 2.7W power into a 3 ohms load or 2.3W power into a 4 ohm load or 1.5W power into an 8 ohm load. Two patents are pending.

With common mode input structure, TMPA2055DM requires no input or output coupling capacitors. It also features high Common Mode Rejection Ratio and Power Supply Rejection Ratio.

For multiple-input applications, independent gain control and corner frequency can be implemented by summing the input sources through resistor ratio and input capacitor values.

Analog input signal is converted into digital output which drives directly to the speaker. High power efficiency is achieved due to digital output at the load. The audio information is embedded in PWM(Pulse Width Modulation).




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