1 Features
• Powerful Class-D amplifier
– 8.2W 1% THD+N
– 14.75V boost with 5.1A max current limit
• Best in class efficiency
– Upto 90% efficiency at system level for 8Ω load
– 12.9mW idle channel power, noise gate off
– 5mW idle channel power, noise gate on
– Integrated 1.8V Y-bridge
• High performance audio channel
– 4.2μV A-wt. idle channel noise
– 114dB Dynamic Range
– -89dB THD+N
– Low EMI performance with ERC and SSM
– < 1μs chip to chip group delay matching
• Advanced integrated features
– Signal detection high efficiency modes
– High accuracy voltage monitor & temp sensor
– Programmable battery current limit at 39mA
step size
• Ease of use features
– Hardware pin control or I2C control
– 1S battery, 2S battery, External PVDD (3S
battery) supply
– Clock based power up/down
– Auto clock rate detection: 16 to 192kHz
– MCLK free operation
– Thermal and over current protection
• Power Supplies and user interface
– VBAT: 2.5V to 5.5V
– VDD: 1.65V to 1.95V
– IOVDD: 1.8V or 3.3V
– VBAT_SNS: 2.5V to 10.0V
– I2S/TDM: 8 channels
– HW pin control or I2C based control
• 26-Pin, 0.4mm Pitch, QFN package

2 Applications
• Smart Speakers with Voice Assistance
• Bluetooth and Wireless speakers
• Tablets, Wearables
• Laptop, Desktop Computers

3 Description
The TAS2120 is a mono, digital input Class-D audio
amplifier with an integrated Boost for higher power
delivery in battery-operated systems.
Device is optimized to deliver best battery life
for real-use cases of music playback and voice
calls. Advanced efficiency optimization features like
Y-bridge, and algorithms enable the device to produce
best-in-class efficiency across all power regions
of operation. The Class-D amplifier is capable of
delivering 8.2W output power using integrated Class-
H Boost.
TAS2120 device supports look-ahead algorithm based
optimum boost voltage levels to match the output of
audio signal. This provides all the power needed for
peak output while significantly reducing the average
power consumption.
Up to four devices can share a common bus via
I2S/TDM + I2C interfaces. The device also supports
five HW Control pins that can configure the device for
the desired mode of operation.