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Technical content

Features

„ Supply Operation Range : 7V to 20V „ 12+1 Channels : --- 12 Channel Rail-to-Rail Programmable Gamma Buffers Š 10 bits Resolution for each Channel Š 25mA Output Current for each Channel ---1 Channel Rail-to-Rail Vcom Buffer: Š 10 Bits Adjustable Output Š ±100mA Output Current Š ±300mA Output Short-Circuit Current Š 50V/μs Slew Rate Š Programmable VCOM Limits ---2 Banks Registers Using BKSEL to Select which Bank Data Output „ 2-Wire I2C Slave Mode Interface „ Non-Volatile Memory (NVM) Store Setting (at Least 100 Re-Write Times) „ QFN4X4-24 Package

Applications

„ TFT-LCD Monitors „ LCD Televisions General Description The G1603 consists of 12+1 channel buffers target toward the needs of thin film transistor liquid crystal display (TFT LCD). This device incorporates one Vcom buffer and 12 gamma buffers, and is pro- grammed through I 2C interface. It contains two register banks which can store two different sets of gamma and VCOM values. Each buffer is capable of driving heavy capacitive loads and offering large current load- ing (Vcom: 100mA, Gammas: 25mA). The G1603 is available in the QFN4X4-24 package.

Ordering Information

NUMBER MARKING TEMP. RANGE PACKAGE (Green) G1603Q51U 1603 -40 °C to 85°C QFN4X4-24 Note: Q5:QFN4X4-24 1: Bonding Code U: Tape & Reel Pin Configuration Typical Application Circuit I2C INTERFACE 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC GMA1 GMA2 GMA3 GMA4 GMA5 GMA6 GMA7 GMA8 GMA9 GMA10 GMA11 GMA12 AGND DVDD SCL SDA MTP REG I2C REG DAC REG AVDD Source Driver AVDD_AMP 18V 18V VCOM VCOM_FB AGND_AMP LCD PANEL VREF REF Bank1 GAMMA VCOM REF Bank1 GAMMA VCOM Bank2 GAMMA VCOM REF Bank1 GAMMA VCOM Bank2 GAMMA VCOM MUX DAC Reference 8,21 BKSEL G1603 QFN4X4-24 GMA10 GMA9 GMA8 GMA7 GMA6 AGND_AMP DVDD SCL SDA BKSEL VCOM AVDD_AMP AVDD GMA12 GMA1 AGND GMA2 AVDD GMA4 GMA3 GMA5 VCOM_FB Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. 61 3 Thermal Pad GMA11 I2C INTERFACE 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC 10-BIT DAC GMA1 GMA2 GMA3 GMA4 GMA5 GMA6 GMA7 GMA8 GMA9 GMA10 GMA11 GMA12 AGND DVDD SCL SDA MTP REG I2C REG DAC REG AVDD Source Driver AVDD_AMP 18V 18V VCOM VCOM_FB AGND_AMP LCD PANEL VREF REF Bank1 GAMMA VCOM REF Bank1 GAMMA VCOM Bank2 GAMMA VCOM REF Bank1 GAMMA VCOM Bank2 GAMMA VCOM MUX DAC Reference 8,21 BKSEL G1603 QFN4X4-24 GMA10 GMA9 GMA8 GMA7 GMA6 AGND_AMP DVDD SCL SDA BKSEL VCOM AVDD_AMP AVDD GMA12 GMA1 AGND GMA2 AVDD GMA4 GMA3 GMA5 VCOM_FB Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. 61 3 Thermal Pad GMA11