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Product Detailed Parameters
- Description：LCD DRIVER, 12-SEGMENT
- Series：ADD8702
- Mfr：Analog Devices Inc.
- Package：Bulk
- Applications：TFT-LCD Panels: Gamma Buffer, VCOM Driver
- Output Type：-
- Number of Circuits：12
- Slew Rate：-
- Current - Supply：11 mA
- Current - Output / Channel：10 mA
- Voltage - Supply, Single/Dual (±)：7V ~ 16V
- Mounting Type：Surface Mount
- Package / Case：32-VFQFN Exposed Pad, CSP
- Supplier Device Package：32-LFCSP-VQ (5x5)
- -3db Bandwidth：-
- Grade：-
- Qualification：-
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Overview
The ADD8702ACP-REEL7 is a low-cost, mask-programmable integrated circuit manufactured by Analog Devices Inc. It functions as a 12-channel gamma reference generator and includes an adjustable VCOM driver. Designed for liquid crystal display applications, this component operates within a temperature range of -40°C to +85°C. The device is housed in a 32-lead LFCSP package with a CP suffix designation.
Feature Summary
- Integrates twelve dedicated gamma buffer channels for precise voltage reference generation
- Includes an adjustable VCOM driver for liquid crystal panel biasing
- Features mask-programmable architecture for customized gamma curve implementation
Applications
- TFT-LCD panels requiring gamma correction
- Liquid crystal drivers needing VCOM adjustment
- Display controller circuits integrating gamma buffers
Procurement Notes
Verify the specific mask-programmed configuration required for your design, as this parameter is fixed during manufacturing. Confirm the 32-lead LFCSP package dimensions match your PCB footprint. Ensure the operating temperature range meets your environmental specifications. Check for any recent product change notices regarding pinout or electrical characteristics before finalizing procurement.
Selection Notes
Select this component when a cost-effective solution for multi-channel gamma buffering is required alongside VCOM generation. Consider the mask-programmable nature if standard gamma curves do not fit your display requirements. Evaluate the 32-lead LFCSP package size against available board space. Compare performance against non-integrated solutions to assess complexity reduction benefits.
Part Context
This part belongs to the ADD8702 family of analog signal processors designed for display applications. It complements other LCD driver components by providing essential reference voltages. The device is distinct from general-purpose operational amplifiers due to its specialized gamma buffer topology and integrated VCOM functionality tailored for TFT-LCD systems.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing display controllers before considering alternative components.
