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TMPA2156D2

Features: · 2.5V to 6V Single Supply· Up to 0.73W/CH at 5V, 3 ohms· Up to 85% Power Efficiency· Automatic output power control (APC)· 2.2mA Quiescent Current at 5V· Less Than 0.2uA Shutdown Current· Popless Power-Up, Shutdown and Recovery· Single-Ended output· Thermal Shutoff and Automatic Recover...

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SeekIC No. : 004524745 Detail

TMPA2156D2: Features: · 2.5V to 6V Single Supply· Up to 0.73W/CH at 5V, 3 ohms· Up to 85% Power Efficiency· Automatic output power control (APC)· 2.2mA Quiescent Current at 5V· Less Than 0.2uA Shutdown Current·...

TMPA2156D2 Data Sheet

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Part Number:
TMPA2156D2
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:

· 2.5V to 6V Single Supply
· Up to 0.73W/CH at 5V, 3 ohms
· Up to 85% Power Efficiency
· Automatic output power control (APC)
· 2.2mA Quiescent Current at 5V
· Less Than 0.2uA Shutdown Current
· Popless Power-Up, Shutdown and Recovery
· Single-Ended output
· Thermal Shutoff and Automatic Recovery
· Short-Circuit Protection


Application

Multimedia application includes Cellular Phones, PDAs, 2.1 channel, 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+0.3 V
Continuous total power dissipation See package dissipation ratings
Operating free-air temperature, TA -20 to 85
Operating junction temperature, TJ -20 to 1
Storage temperature, Tstg -40 to 150
(1) Stresses beyond those listed under"absolutemaximum ratings" may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions "is
not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.


Description

The TMPA2156D2 is a STEREO class-D audio power amplifier IC. With SE(Single-Ended) configuration, it delivers up to 0.73W/CH power into a 3 ohms load or 0.6W/CH power into a 4 ohm load or 0.33W/CH power into an 8 ohm load. No external heat-sink is required.

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.

Automatic voltage gain control makes the best use of battery. 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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