公开(公告)号：US20250141412A1

公开(公告)日：2025-05-01

申请号：US18385848

申请日：2023-10-31

Applicant: Texas Instruments Incorporated

Inventor： Jianquan Liao ,  Zejian Wang ,  Pourya Assem ,  Kannan Krishna ,  Zhenzhen Chen ,  Jing Xu ,  Shurong Xia ,  Chi Cheong

IPC: H03F3/217 ,  H03F3/21

Abstract: An example apparatus includes: class D amplifier circuitry having a first input, a second input, a third input, and an output, the first input of the class D amplifier circuitry coupled to the output of the class D amplifier circuitry; and class AB amplifier circuitry having a first input, a second input, a third input, and an output, the first input of the class AB amplifier circuitry coupled to the first input of the class D amplifier circuitry and the output of the class D amplifier circuitry, the second and third inputs of the class AB amplifier circuitry coupled to the second and third inputs of the class D amplifier circuitry, and the output of the class AB amplifier circuitry.