概要

Description

The ISL76534 is a programmable gamma buffer for TFT-LCDs featuring ultra-low power operation. The ISL76534 contains an I2C programmable, 10-bit, 14-channel gamma reference voltage generator with buffered outputs, a 10-bit programmable VCOM calibrator, a high output current VCOM amplifier, and internal EEPROM to store all reference voltage data. The EEPROM features an endurance of 10, 000 write cycles and a data retention of 20 years at 105 °C. Combining gamma and VCOM reference voltage generators with low power operation and EEPROM, the ISL76534 provides a complete reference voltage solution ideal for TFT-LCD displays. The ISL76534 is available in a super thin (height = 0.4mm maximum) 28 Ld 4mmx5mm X2QFN thermally enhanced package. The device is specified for operation across the ambient temperature range of -40 °C to +105 °C.

特長

  • 14-channel gamma references, 10-bit resolution with buffered outputs
  • 1-channel VCOM calibrator with 10-bit resolution
  • High output current VCOM amplifier
  • Ultra-low power operation, ideal for automotive displays: Typical quiescent power, 12mW at 8V AVDD
  • EEPROM data retention: 20 years at 105 °C
  • EEPROM endurance: 10,000 write cycles
  • Read/write capable over 2.25V to 3.6V DVDD range
  • 6.3V to 19V analog supply operating range
  • 2.25V to 3.6V digital supply operating range
  • Power Supply Rejection Ratio (PSRR): 75dB typical
  • 28 Ld 4mmx5mm super thin X2QFN package
  • Pb-free (RoHS compliant)
  • AEC-Q100 qualified

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