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
□ 20MHz data throughput rate
□ 32 outputs per device (can be cascaded)
□ Pin-programmable shift direction (DIR)
□ D/A conversion cycle time is 32µs
□ Diodes in output structure allow usage in energy recovery systems
□ Integrated HVCMOS® technology
□ Available in 3-sided 64-lead gullwing package