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The HV257DB2 is a 32-Channel, 295V, sample and hold amplifier array with a nominal gain of 72V/V. The purpose of the HV257DB2 is to provide a means to easily evaluate the HV257FG-G device. A high voltage supply, VPP, and four low voltage supplies, AVDD and DVDD, AVNN and DVNN, are required. Referring to the demo board drawing shown below, the logic and VSIG connections are on the left, the high voltage outputs are on the bottom, and the supplies are on the right.
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