Low-voltage digital-to-analog signal converting circuit, data driving circuit and display system

• Main Authors: LIN XINGWU, ZHANG SHENGDONG, LENG CHUANLI
• Format: Patent
• Language: English
• Published: 05.08.2015
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; BASIC ELECTRONIC CIRCUITRY; CODE CONVERSION IN GENERAL; CODING; CRYPTOGRAPHY; DECODING; DISPLAY; EDUCATION; ELECTRICITY; PHYSICS; SEALS

The invention discloses a low-voltage digital-to-analog signal converting circuit, a data driving circuit and a display system. The low-voltage digital-to-analog signal converting circuit comprises at least one voltage-dividing unit (10); the voltage-dividing unit (10) includes a plurality of resistors which are connected in series between low-limit voltage and high-limit voltage, and voltage-dividing output ends which are led out from series connection nodes of the resistors and high-limit voltage connection ends. According to the low-voltage digital and analog signal converting circuit, the data driving circuit and the display system of the invention, the voltage-dividing units (10) are adopted, so that the low-voltage digital-to-analog signal converting circuit, the data driving circuit and the display system can be low-voltage devices, and the power consumption of the low-voltage digital-to-analog signal converting circuit, the data driving circuit and the display system are low, and the low-voltage digital-to-analog signal converting circuit occupies a small area of a chip.