General Description
The HV623 is a 32-channel driver IC for gray shade display use. It is designed to produce varying output voltages between 3 and 80 volts. This amplitude modulation at the output is facilitated by an external ramp voltage VR. See Theory of Operation for detailed explanation.

Features
❏ 5V CMOS inputs
❏ Up to 80V modulation voltage
❏ Capable of 128 levels of gray shading
❏ 8.0MHz data throughput rate
❏ Pin-programmable shift direction (DIR)
❏ D/A conversion cycle time is 64µs
❏ Diodes in output structure allow usage in energy recovery systems
❏ Integrated HVCMOS® technology
❏ Available in 3-sided 64-lead gullwing package