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DS3508 데이터시트

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General Description
The DS3508 is a programmable 8-channel gamma voltage generator with one byte of on-chip EEPROM and one byte of SRAM memory per channel. Each channel is composed of an independent 8-bit DAC with an associated EEPROM/SRAM pair. At power-up, nonvolatile (NV) EEPROM gamma data is loaded into its corresponding SRAM register that drives the associated 8-bit DAC. An on-chip control register allows selectable control of writing to SRAM/EEPROM or SRAM only.
The DS3508 is designed for low-power operation and draws less than 2mA (typ) from the VDD supply. Programming occurs through an I2C-compatible serial interface with support for speeds up to 400kHz.

Features
♦ 8-Bit Gamma DACs, 8 Channels
♦ 1 Byte EEPROM and 1 Byte SRAM per Channel
♦ Ultra-Low Power (2mA IDD, typ)
♦ 400kbps I2C Interface
♦ 9.0V to 15.5V Analog Supply
♦ 2.7V to 5.5V Digital Supply
♦ 20-Pin TSSOP Package
♦ Address Pin Allows Two DS3508s to Reside on the Same I2C Bus

Applications
   TFT-LCD Gamma Buffer
   Industrial Controls

 

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