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Part Number: ADD8707
Description: The ADD8707 is a 12-channel integrated gamma reference with VCOM for use in LCD TV and monitor panels. The output...
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ADD8707
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DataSheet
General Description
ADD8707 General Description
The ADD8707 is a 12-channel integrated gamma reference with VCOM for use in LCD TV and monitor panels. The output buffers feature high current drive and low offset voltage to provide an accurate and stable gamma curve. The top six channels swing to VDD and the lower six channels swing to GND.
Integrating the gamma setup resistors drastically reduces the external component count while increasing the gamma curve accuracy. To accommodate multiple column drivers and panel architectures, the ADD8707 is mask-programmable to a 0.2% resolution using the on-chip 500 resistor string. An on-board voltage regulator provides a fixed input for the resistor string, isolating the gamma curve from supply ripple. The ADD8707 is specified over the temperature range of 40°C to +105°C and comes in a 48-lead, Pb-free, lead frame chip-scale package.
ADD8707 Maximum Ratings
Supply Voltage (VDD) 18 V
Input Voltage −0.5 V to VDD
Storage Temperature Range −65°C to +150°C
Operating Temperature Range1 −40°C to +105°C
Lead Temperature Range (Soldering 10 sec) 300°C
Junction Temperature 150°C
ESD Tolerance (HBM) ±3000 V
ESD Tolerance (MM) ±100 V
Input Voltage −0.5 V to VDD
Storage Temperature Range −65°C to +150°C
Operating Temperature Range1 −40°C to +105°C
Lead Temperature Range (Soldering 10 sec) 300°C
Junction Temperature 150°C
ESD Tolerance (HBM) ±3000 V
ESD Tolerance (MM) ±100 V
ADD8707 Features
12 precision gamma reference outputs
Mask-programmable gamma resistors:
0.2% resolution and 0.1% accuracy
Mask programmable voltage regulator: 0.4% accuracy
Upper 6 buffers swing to VDD
Lower 6 buffers swing to GND
Single-supply operation: 7.5 V to 16 V
Gamma current drive: 15 mA per channel
VCOM peak output current: 250 mA
Outputs stable under load conditions
48-lead, Pb-free LFCSP package
Mask-programmable gamma resistors:
0.2% resolution and 0.1% accuracy
Mask programmable voltage regulator: 0.4% accuracy
Upper 6 buffers swing to VDD
Lower 6 buffers swing to GND
Single-supply operation: 7.5 V to 16 V
Gamma current drive: 15 mA per channel
VCOM peak output current: 250 mA
Outputs stable under load conditions
48-lead, Pb-free LFCSP package
ADD8707 Typical Application
LCD TV panels
LCD monitor panels
LCD monitor panels
ADD8707 Connection Diagram
ADD8707
PDF/DataSheet Download
- Datasheet: ADD8707
- File Size: 670423 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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