Texas Instruments LM4960
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. The LM4960's switching regulator is a current-mode boost converter operating at a fixed frequency of 1.6MHz.| Part No. | LM4960 |
|---|---|
| Datasheet | LM4960 Download |
| Manufacturer |  Texas Instruments |
| Description | Piezoelectric Speaker Driver |
| Buy | Stock & Price |
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
Boomer™ audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4960 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement. The LM4960 features a low-power consumption externally controlled micropower shutdown mode. Additionally, the LM4960 features and internal thermal shutdown protection mechanism along with a short circuit protection.
