公开(公告)号：US09166067B2

公开(公告)日：2015-10-20

申请号：US14089808

申请日：2013-11-26

Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.

Inventor： Jaw-Juinn Horng ,  Chung-Hui Chen ,  Sun-Jay Chang ,  Chia-Hsin Hu

IPC: H01L27/02 ,  H01L29/861 ,  H01L27/08

CPC classification number: H01L29/8611 ,  H01L27/0207 ,  H01L27/0814 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A band gap reference circuit includes an error-amplifier-based current mirror coupled between a first supply node and a pair of intermediate voltage nodes, and a matched diode pair for providing a proportional-to-absolute temperature (PTAT) current. The matched diode pair includes a first diode connected between a first intermediate voltage node from the pair of intermediate voltage nodes and a second supply node, and a second diode connected in series with a resistor between a second intermediate voltage node from the pair of intermediate voltage nodes and the second supply node. Each diode has a P-N diode junction that is a homojunction.

Abstract translation: 带隙参考电路包括耦合在第一电源节点和一对中间电压节点之间的基于误差放大器的电流镜，以及用于提供比例绝对温度（PTAT）电流的匹配二极管对。 匹配二极管对包括连接在来自一对中间电压节点的第一中间电压节点和第二电源节点之间的第一二极管，以及与来自所述一对中间电压的第二中间电压节点之间的电阻器串联连接的第二二极管 节点和第二个供应节点。 每个二极管具有一个同相结合的P-N二极管结。