- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：LCD 和 OLED 显示电源和驱动器
- 功能描述：具有集成双列存储器的 8 通道伽玛电压发生器和高压摆率 Vcom
- 点击这里打开及下载BUF08832的技术文档资料
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The BUF08832 offers eight programmable gamma channels and one programmable VCOM channel.
The final gamma and VCOM values can be stored in the on-chip, nonvolatile memory. To allow for programming errors or liquid crystal display (LCD) panel rework, the BUF08832 supports up to 16 write operations to the on-chip memory.
The BUF08832 has two separate memory banks, allowing simultaneous storage of two different gamma curves to facilitate switching between gamma curves.
All gamma and VCOM channels offer a rail-to-rail output that typically swings to within 150mV of either supply rail with a 10mA load. All channels are programmed using a Two-Wire interface that supports standard operations up to 400kHz and high-speed data transfers up to 3.4MHz.
The BUF08832 is manufactured using Texas Instruments’ proprietary, state-of-the-art, high-voltage CMOS process. This process offers very dense logic and high supply voltage operation of up to 20V. The BUF08832 is offered in a HTSSOP-20 PowerPAD package, and is specified from –40°C to +85°C.
- 10-BIT RESOLUTION
- 8-CHANNEL P-GAMMA
- 1-CHANNEL P-VCOM
- HIGH SLEW RATE VCOM: 45V/μs
- 16x REWRITABLE NONVOLATILE MEMORY
- TWO INDEPENDENT PIN-SELECTABLE MEMORY BANKS
- RAIL-TO-RAIL OUTPUT
- 300mV Min Swing-to-Rail (10mA)
- > 300mA Max IOUT
- LOW SUPPLY CURRENT
- SUPPLY VOLTAGE: 9V to 20V
- DIGITAL SUPPLY: 2V to 5.5V
- TWO-WIRE INTERFACE: Supports 400kHz and 3.4MHz
- APPLICATIONS
- TFT-LCD REFERENCE DRIVERS
All trademarks are the property of their respective owners.
- Display type
- LCD unipolar
- IC integration
- Gamma buffer, VCOM
- Vin (Min) (V)
- 9
- Vin (Max) (V)
- 20
- Source driver voltage (Min) (V)
- 9
- Source driver voltage (Max) (V)
- 20
- Level shifter/scan driver (ch)
- 0
- Features
- Gamma buffer, I2C interface, VCOM or op amp
- Rating
- Catalog
BUF08832的完整型号有：BUF08832AIPWPR，以下是这些产品的关键参数及官网采购报价：
BUF08832AIPWPR，工作温度：-40 to 95，封装：HTSSOP (PWP)-20，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网BUF08832AIPWPR的批量USD价格：.95（1000+）
BUF08832EVM — BUF08832 评估模块
BUF08832EVM 主要硬件由 2 块电路板、BUF08832 测试板和 USB DIG 平台组成。BUF08832 测试板包含 BUF08832、用于外部连接的端子台以及用于器件配置的多个跳线。USB DIG 平台包含一个具有内置 USB 接口的 8052 微处理器。此微处理器生成与 INA219 进行通信所需的 I2C 信号。USB DIG 平台还包含 3V/5V 可编程线性稳压器、电源控制开关、通用数字 I/O 和 SPI 接口。BUF08832EVM 包含 AC 墙上适配器（220/120Vac 至 6Vdc），可以为 USB DIG 平台提供 6V 直流电源。BUF08832 (...)
BUF08832EVM Source Code
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