TPA2100P1 YZH www.ti.com . SLOS595 – DECEMBER 2008 19-VPP Mono Class-D Audio Amplifier for Piezo/Ceramic Speakers
FEATURES 1 19 VPP Output Load Voltage From a 2.5 V
Supply Integrated DC-DC Converter Generates 10 V
Supply No External Schottky Diode Required Integrated Audio Input Low-Pass Filter Small Boost Converter Inductor Supply Voltage Range From 2.5 V to 5.5 V Selectable Gain of 12 dB, 16 dB, and 24 dB Independent Shutdown Control for the Boost
Converter and the Audio Amplifier Fast Startup Time: 8 ms Low Supply Current: 5.5 mA Low Shutdown Current: < 1 ВµA Short-Circuit and Thermal Protection Space Saving Package
– 2,1 mm × 2,1 mm NanoFree™ WCSP (YZH) DESCRIPTION APPLICATIONS The TPA2100P1 (TPA2100) has three gain modes of
12 dB, 16 dB, and 24 dB. The TPA2100P1
(TPA2100) provides thermal and short circuit
protection on the boost converter and the Class-D
audio amplifier. The TPA2100P1 (TPA2100) is
available in a 16-ball 2,1 mm Г— 2,1 mm WCSP
package. The TPA2100P1 (TPA2100) requires only
one small external inductor for operation. 2 The TPA2100P1 (sometimes referred to as TPA2100)
is a mono, Class-D audio power amplifier with
integrated DC-DC converter designed for piezo and
ceramic speakers. The TPA2100P1 (TPA2100) is
capable of driving a ceramic / piezo speaker with
19 VPP (6.7 VRMS) from a 2.5 V power supply at less
than 1% THD+N.
The DC-DC converter operates at a fixed frequency
of 1.2 MHz. The TPA2100P1 (TPA2100) DC-DC
converter provides a 10 V supply with a minimum
number of external components. The DC-DC …
