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LM4960
www.ti.com
SNAS221C – OCTOBER 2004 – REVISED MAY 2013
LM4960
Piezoelectric Speaker Driver
Check for Samples: LM4960
FEATURES
1
•23 Low Current Shutdown Mode • "Click and Pop" Suppression Circuitry • Low Quiescent Current • Unity-Gain Stable Audio Amplifiers • External Gain Configuration Capability • Thermal Shutdown Protection Circuitry • Wide Input Voltage Range (3.0V - 7V) • 1.6MHz Switching Frequency
APPLICATIONS
• Mobile Phone • PDA's
KEY SPECIFICATIONS
• VOUT @ VDD = 3.0 THD+N ≤ 1%: 24 VP-P (typ) • Power Supply Range: 3.0 to 7 V • Switching Frequency: 1.6 MHz (typ)
DESCRIPTION
The LM4960 utilizes a switching regulator to drive a dual audio power amplifier. It delivers 24VP-P monoBTL to a ceramic speaker with less than 1.0% THD+N while operating on a 3.0V power supply.