集成EEPROM超低功耗可编伽玛缓冲器的ISL76534
intersil公司的isl76534是集成了eeprom的超低功耗14路可编伽玛(gamma)缓冲器,用于汽车娱乐和adas显示器.器件包括i2c可编程的10位14路gamma基准电压发生器,10位可编程vcom校准器,高输出电流vcom放大器和存储所有基准电压数据的eeprom.模拟工作电压6.3v-19v,数字工作电压2.25v-3.6v,主要用在汽车娱乐系统显示器,汽车中心娱乐系统显示器(cid),汽车智能镜,汽车仪表盘显示器和汽车tft-lcd显示器.本文介绍了isl76534主要特性,框图和tft-lcd gamma基准电压发生器电路图,以及评估板isl76534eval1z指标和主要特性,框图,电路图,材料清单和pcbv设计图.
14-channel programmable gamma buffer for infotainment and adas displays ultra-low power 14-channel programmable gamma buffer with integrated eeprom the isl76534 is a programmable gamma buffer for tft-lcdsfeaturing ultra-low power operation. the isl76534 contains ani2c programmable,10-bit, 14-channel gamma referencevoltage generator with buffered outputs,a 10-bitprogrammable vcom calibrator, a high output current vcomamplifier,and internal eeprom to store all reference voltagedata.the eeprom features an endurance of 10,000 writecycles and a data retention of 20 years at 105℃.
combining gamma and vcom reference voltage generatorswith low power operation and eeprom, the isl76534 providesa complete reference voltage solution ideal for tft-lcddisplays.
the isl76534 is available in a super thin (height = 0.4mmmaximum) 28 ld 4mmx5mm x2qfn thermally enhancedpackage. the device is specified for operation across theambient temperature -40℃ to +105℃.
isl76534主要特性:
• 14-channel gamma references, 10-bit resolution withbuffered 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℃
• 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
isl76534应用:
• automotive infotainment display
• automotive center information display (cid)
• automotive smart mirrors
• automotive instrument cluster display
• automotive tft-lcd display
图1.isl76534框图
图2.isl76534典型应用:tft-lcd gamma基准电压发生器
图3.isl76534典型应用:tft-lcd gamma和vcom基准发生器
图4.isl76534典型应用：tft-lcd gamma基准发生器：vcom放大器不能
评估板isl76534eval1z
the isl76534eval1z is a complete platform for theevaluation on all datasheet specifications and functionalitiesof the programmable gamma buffer. the isl76534 contains ani2c programmable， 10-bit， 14-channel gamma referencevoltage generator with buffered outputs， a 10-bit programmablevcom calibrator， a high output current vcom amplifier and aninternal eeprom to store all reference voltage data. theeeprom features an endurance of 10，000 write cycles and adata retention of 20yrs at 105℃。
the isl76534eval1z board is intended to provide anevaluation platform for the 4mmx5mm x2qfn isl76534package， programmable gamma buffer.
评估板isl76534eval1z指标：
• ambient temperature range， -40℃ to +105℃
• analog supply voltage， avdd = 6.3v to 19v
• digital supply voltage， dvdd = 2.25 to 3.6v
• output channels x14， outx = 0v to avdd-headroom
• output channel x1， vcom = 0v to avdd-headroom
评估板isl76534eval1z主要特性：
• 15-channel reference voltage outputs， i2c programmable：
- 14-channel gamma references， 10-bit resolution withbuffered outputs
- 1-channel vcom calibrator with 10-bit resolution
• high output current vcom amplifier
• ultra-low power operation， ideal for tablet and mobileapplications： typical quiescent power， 12mw at 8v avdd
• eeprom data retention： 20yrs at 105℃
• 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
• 28 ld 4x5mm super thin x2qfn package
• pb-free （rohs compliant）
• aec-q100 qualified
图5.评估板isl76534eval1z外形图
图6.评估板isl76534eval1z框图
图7.评估板isl76534eval1z电路图(1)
图8.评估板isl76534eval1z电路图(2)
评估板isl76534eval1z材料清单:
图9.评估板isl76534eval1z pcb设计图(1):顶层丝印
图10.评估板isl76534eval1z pcb设计图(2):顶层元件
图11.评估板isl76534eval1z pcb设计图(3):内层2
图12.评估板isl76534eval1z pcb设计图(4):内层3
图13.评估板isl76534eval1z pcb设计图(5):底层焊接
图14.评估板isl76534eval1z pcb设计图(6):底层丝印
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14-channel programmable gamma buffer for infotainment and adas displays ultra-low power 14-channel programmable gamma buffer with integrated eeprom the isl76534 is a programmable gamma buffer for tft-lcdsfeaturing ultra-low power operation. the isl76534 contains ani2c programmable,10-bit, 14-channel gamma referencevoltage generator with buffered outputs,a 10-bitprogrammable vcom calibrator, a high output current vcomamplifier,and internal eeprom to store all reference voltagedata.the eeprom features an endurance of 10,000 writecycles and a data retention of 20 years at 105℃.
combining gamma and vcom reference voltage generatorswith low power operation and eeprom, the isl76534 providesa complete reference voltage solution ideal for tft-lcddisplays.
the isl76534 is available in a super thin (height = 0.4mmmaximum) 28 ld 4mmx5mm x2qfn thermally enhancedpackage. the device is specified for operation across theambient temperature -40℃ to +105℃.
isl76534主要特性:
• 14-channel gamma references, 10-bit resolution withbuffered 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℃
• 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
isl76534应用:
• automotive infotainment display
• automotive center information display (cid)
• automotive smart mirrors
• automotive instrument cluster display
• automotive tft-lcd display
图1.isl76534框图
图2.isl76534典型应用:tft-lcd gamma基准电压发生器
图3.isl76534典型应用:tft-lcd gamma和vcom基准发生器
图4.isl76534典型应用：tft-lcd gamma基准发生器：vcom放大器不能
评估板isl76534eval1z
the isl76534eval1z is a complete platform for theevaluation on all datasheet specifications and functionalitiesof the programmable gamma buffer. the isl76534 contains ani2c programmable， 10-bit， 14-channel gamma referencevoltage generator with buffered outputs， a 10-bit programmablevcom calibrator， a high output current vcom amplifier and aninternal eeprom to store all reference voltage data. theeeprom features an endurance of 10，000 write cycles and adata retention of 20yrs at 105℃。
the isl76534eval1z board is intended to provide anevaluation platform for the 4mmx5mm x2qfn isl76534package， programmable gamma buffer.
评估板isl76534eval1z指标：
• ambient temperature range， -40℃ to +105℃
• analog supply voltage， avdd = 6.3v to 19v
• digital supply voltage， dvdd = 2.25 to 3.6v
• output channels x14， outx = 0v to avdd-headroom
• output channel x1， vcom = 0v to avdd-headroom
评估板isl76534eval1z主要特性：
• 15-channel reference voltage outputs， i2c programmable：
- 14-channel gamma references， 10-bit resolution withbuffered outputs
- 1-channel vcom calibrator with 10-bit resolution
• high output current vcom amplifier
• ultra-low power operation， ideal for tablet and mobileapplications： typical quiescent power， 12mw at 8v avdd
• eeprom data retention： 20yrs at 105℃
• 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
• 28 ld 4x5mm super thin x2qfn package
• pb-free （rohs compliant）
• aec-q100 qualified
图5.评估板isl76534eval1z外形图
图6.评估板isl76534eval1z框图
图7.评估板isl76534eval1z电路图(1)
图8.评估板isl76534eval1z电路图(2)
评估板isl76534eval1z材料清单:
图9.评估板isl76534eval1z pcb设计图(1):顶层丝印
图10.评估板isl76534eval1z pcb设计图(2):顶层元件
图11.评估板isl76534eval1z pcb设计图(3):内层2
图12.评估板isl76534eval1z pcb设计图(4):内层3
图13.评估板isl76534eval1z pcb设计图(5):底层焊接
图14.评估板isl76534eval1z pcb设计图(6):底层丝印
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