Microchip Technology HV7321
The HV7321 is a 4-channel, 5-level, ultrasound transmitter with built-in T/R switches, output protection diodes anFEATURES
● Power Sequencing Free 5 Output Levels including RTZ (Return-to-Zero)● -44 dB Single-Cycle Pulse-Inversion Second Harmonic Distortion (HD2) at 5 MHz
● Output Voltage up to ±80V
● ±2.5A Peak Output Current
● ±300 mA Current from VPP1/VNN1 in CW Mode-0
● Integrated T/R Switch & RX Damper Switch
● Bleeder Switches Achieve True Zero during RTZ
● Supports Both Transparent and Re-Timing Mode
● Re-Timing Clock Frequency Supports up to 220 MHz
● Built-In Output Protection Diodes and Clamp Diodes
● +2.5/+3.3V Input Logic
● Built-In CW Switches to Pair with External CW Transmitters (CW Mode-1)
● 9 mm x 9 mm 64-Lead VQFN Package
APPLICATIONS
● Medical Ultrasound Imaging Systems● NDT Ultrasound
● Piezoelectric or Capacitive Transducer Drivers
GENERAL DESCRIPTION