The HV2904 device is a no high-voltage bias, low-harmonic distortion, low-charge injection, 32-channel, high-voltage analog switches. It is intended for use in applications requiring high-voltage switching controlled by low-voltage signals, such as medical ultrasound imaging and printers.
The HV2904 device has two modes of operation determined by the MODE pin: individual switching mode with 32-channel SPST switches and bank switching mode with 16-pole double throw (16PDT) logic. Bank switching mode is intended for probe selection.
The device requires only ±6V or ±5V supplies and can pass ±100V high voltage pulses.
The HV2904 is one member of 32ch, no HV bias, analog switch family (HV2803/2903/2904).
The HV2803 device has no bleed resistors.
The HV2903 device has integrated bleed resistors at both sides of the switches.
The HV2904 device has bleed resistors at one side only.

No High-Voltage Bias, 32-channel High-Voltage Analog Switch
32-channel Single-Pole, Single-Throw (SPST) Individual Switching or Bank Switching
3.3V CMOS Input Logic Level
66 MHz Data Shift Clock Frequency
Silicon on Insulator (SOI) High-Voltage Technology for High Performance
Standby mode for Low-Power Dissipation
Low-Parasitic Capacitance
DC to 50 MHz Analog Small-Signal Frequency
200 kHz to 50 MHz Large-Signal Frequency
-70 dB typical off isolation at 5.0 MHz
Excellent Noise Immunity
Cascadable Serial Data Register with Latches
Integrated Bleed Resistors on one side of the Outputs