BUF08821

所属类别：LCD-伽马缓冲器
产品名称：可编程伽马电压生成器和具有集成的 2 组存储器的 Vcom 校准器
厂商：TI
生产批号：09+
封装：20HTSSOP
库存状态：有库存
库存量：8000
最低订购量：1
详细资料：

Product Introduction

The programmable BUF08821 offers eight channels plus one programmable Wycombe gamma channel.

The final Gamma and Wycombe values can be stored on tablets, non-volatile memories.To allow program errors or LCD panel rework, BUF08821 supports up to 16 write operations and sample memory.

There are two independent BUF08821 memory banks that allow two different gamma curves to be stored simultaneously to facilitate gamma curve switching.

All Gamma and Wycombe companies offer a rail-to-rail output channel within a typical 150mV swing-to-rail with one condition: either supply the load.All channels are programmed with an I2C interface for standard operation, supporting and high-speed data transmission up to 400kHz3.

characteristic

Digital resolution
Channel P-GAMMA
1-CHANNEL P-VCOM
Non-volatile memory is emphasized
Two independent PIN-SELECTABLE memory banks
Rail-to-Rail Output:
300mV minimum Swing-to-Rail (condition)
> 300mA maximum IOUT
Low supply current
For supply voltage: because 20V
5.5V Digital Supply: 2V,
400kHz I2C interface: supports 3.4MHz clock frequency
apply
- TFT - LCD Reference驱动器

parameter

	BUF08821
#伽玛缓冲器	9
#威科姆公司渠道	1
Pair (Min) (V)	9
Pair (Highest) (V)	20
Intelligence per channel (stream) (mA)	0.5
Vcom-Output Current (current) (mA)	100
Gamma-Output Current (current) (mA)	30
Operating temperature range (°C)	- 40 to 85
Pin/Pack	20HTSSOP

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BUF08821	TI	09+	20HTSSOP	Programmable gamma voltage generator and VCOM calibrator with integrated 2 sets of memory

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