0
ACTIVE
Display type |
LCD unipolar |
IC integration |
Gamma buffer, VCOM |
Vin (min) (V) |
9 |
Vin (max) (V) |
20 |
Applications |
13 to 21 inches, 21 inches and above, 7 inches or less, 7 to 13 inches |
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 |
Operating temperature range (°C) |
-40 to 95 |
HTSSOP (PWP)-20-41.6 mm² 6.5 x 6.4
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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.
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