BUF16821
- 10-BIT RESOLUTION
- 16-CHANNEL P-GAMMA
- 2-CHANNEL P-VCOM
- 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
- I2C™ INTERFACE: Supports 400kHz and 3.4MHz
- APPLICATIONS
- TFT-LCD REFERENCE DRIVERS
PowerPAD is a trademark of Texas Instruments.
I2C is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners.
The BUF16821 offers 16 programmable gamma channels and two programmable VCOM channels.
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 BUF16821 supports up to 16 write operations to the on-chip memory.
The BUF16821 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 an I2C interface that supports standard operations up to 400kHz and high-speed data transfers up to 3.4MHz.
The BUF16821 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 BUF16821 is offered in a HTSSOP-28 PowerPAD™ package, and is specified from -40°C to +85°C.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | Programmable Gamma-Volt Generator & Vcom Calibrator w/Integrated 2-Bank Memory datasheet (Rev. C) | 2011年 7月 12日 | |
| EVM User's guide | BUF16821EVM-USB User Guide (Rev. A) | 2016年 5月 31日 | ||
| Application note | Driving Capacitive Loads with Gamma Buffers | 2012年 11月 20日 | ||
| EVM User's guide | BUF16821EVM Evaluation Board and Software Tutorial | 2008年 2月 27日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
BUF16821EVM-USB — BUF16821 評估模組 USB
The BUF16821EVM-USB is a platform for evaluating the performance of the BUF16821 under various signal, reference, and supply conditions.
SBOC405 — BUF16821EVM-USB Software
支援產品和硬體
產品
LCD 及 OLED 顯示器電源和驅動器
硬體開發
開發板
SBOC406 — BUF16821EVM-USB Source Code
支援產品和硬體
產品
LCD 及 OLED 顯示器電源和驅動器
硬體開發
開發板
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
| 封裝 | 引腳 | 下載 |
|---|---|---|
| HTSSOP (PWP) | 28 | 檢視選項 |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。