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5.6W Class-D Mono Audio Amplifier with IV Sense


Package | PIN: YFF | 30
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $1.91
10-24 $1.72
25-99 $1.60
100-249 $1.40
250-499 $1.32
500-749 $1.12
750-999 $0.94
1000+ $0.90


  • Ultra Low-Noise Mono Boosted Class-D Amplifier
    • 5.6 W at 1% THD+N and 6.9 W at 10% THD+N into 4-Ω Load from 4.2-VSupply
    • 3.7 W at 1% THD+N and 4.5 W at 10% THD+N into 8-Ω Load from 4.2-VSupply
  • Output Noise for DAC + Class-D(ICN) is 16.2 µV
  • DAC + Class-D SNR 111 dB at 1%THD+N / 8 Ω
  • THD+N –89 dB at 1 W / 8 Ω with Flat Frequency Response
  • Post-Filter Feedback (PFFB)
  • PSRR 110 dB for 200 mVpp Ripple at 217 Hz
  • Input Sample Rates from 8 kHz to 96 kHz
  • High Efficiency Class-H Boost Converter
    • Automatically Adjusts Class-D Supply
    • Multi-level Tracking to Improve Efficiency
  • Built-In Speaker Sense
    • Measures Speaker Current and Voltage
    • Measures VBAT Voltage, ChipTemperature
  • Built-In Automatic Gain Control (AGC)
    • Limits Battery Current Consumption
  • Adjustable Class-D Switching Edge-Rate Control
  • Power Supplies
    • Boost Input: 2.9 V to 5.5 V
    • Analog/Digital: 1.65 V to 1.95 V
    • Digital I/O: 1.62 V to3.6 V
  • Thermal, Short-Circuit, and Under-Voltage Protection
  • I2S, Left-Justified, Right-Justified, DSP, and TDM, and PDM
  • I2C Interface for Register Control
  • Stereo Configuration Using Two TAS2560 Devices

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Texas Instruments  TAS2560YFFR

The TAS2560 is a low-power, high-performance, digital input, boosted Class-D Audioamplifier that can be easily implemented in both mono and stereo (x2) applications. The devicefeatures an ultra low-noise audio DAC and Class-D power amplifier which incorporates speakervoltage and current sensing feedback for use with speaker protection algorithms.

A Class-H boost converter generates the Class-D amplifier supply rail. When the audiosignal requires only a lower Class-D output power, system efficiency is improved by deactivatingthe boost and connecting VBAT directly to the Class-D amplifier supply. When higher audio outputpower is required, the multi-level boost re-activates tracking the signal to provide the additionalvoltage to the load.

A configurable on-chip Battery Guard system reduces the audio output power during theperiods of low battery voltage to minimize the battery dropping below system brownout conditions.Additionally, faults such as brownout, over-current, and over-temperature can be reported back tothe host processor using the IRQ pin. All protection statuses are available via a registerread.