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18-Channel Gamma Buffer with
Regulator ADD8708
FEATURES
18 precision gamma reference outputs Mask-programmable gamma resistors: 0.
2% resolution and 0.
1% accuracy Mask-programmable voltage
regulator: 0.
4% accuracy Upper 9 buffers swing to VDD Lower 9 buffers swing to GND Single-supply operation: 7.
5 V to 16.
5 V Gamma current drive: 15 mA per channel Peak output current: 150 mA Output voltage stable under load conditions Pin-to-pin compatible with ADD8709 48-lead, Pb-free LQFP and LFCSP
FUNCTIONAL BLOCK DIAGRAM
MASK-PROGRAMMABLE
REGULATOR RESISTORS FB 700Ω* VREG OUT VDD VDD
GND + – GAMMA BUFFERS
1.
2V 700Ω* VIN18 700Ω* VIN17 700Ω* VIN16 700Ω* VIN15 700Ω* VIN14 VIN13 700Ω...