HV20220FG-G

Analog Switches - Special Purpose Overview

The HV20220FG-G is an 8-channel high-voltage analog switch IC manufactured by Microchip Technology, utilizing Supertex's HVCMOS technology. It operates with a logic supply voltage (VDD) ranging from 4.5 V to 13.2 V and supports dual high-voltage supplies (VPP/VNN) between -160 V/+40 V and +100 V/-100 V. The device features a maximum on-resistance of 25 Ω at 200 mA, a switching frequency up to 50 kHz, and low quiescent current of 10 µA. Packaged in a 48-lead LQFP, it integrates an 8-bit shift register and latch for serial control.

Analog Switches - Special Purpose Feature Summary

• Integrates bilateral DMOS switches with CMOS logic for efficient high-voltage signal control
• Includes on-chip 8-bit shift register and latch circuitry for serial data input
• Provides low charge injection and low parasitic capacitances for signal integrity
• Offers flexible high-voltage supply configurations for diverse application requirements

Analog Switches - Special Purpose Applications

• Medical ultrasound imaging systems
• Piezoelectric transducer drivers
• High-voltage printing applications

Analog Switches - Special Purpose Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and packing quantity. The FG suffix indicates a 48-lead LQFP package. Confirm RoHS compliance status and moisture sensitivity levels prior to procurement to ensure compatibility with assembly processes.

Analog Switches - Special Purpose Selection Notes

Select this component when designing circuits requiring independent control of multiple high-voltage analog signals via low-voltage digital interfaces. Ensure the required VPP and VNN supply voltages fall within the specified operating ranges. Consider the thermal resistance of the LQFP package if power dissipation exceeds typical limits under load.

Analog Switches - Special Purpose Part Context

This part belongs to the HV20220 series of low charge injection, 8-channel high-voltage analog switches. It is functionally equivalent to other variants in the family but differs in packaging options such as the 28-lead PLCC or reel-based packaging. The device represents a transition from Supertinc to Microchip Technology product lines.

Analog Switches - Special Purpose Replacement Considerations

Direct substitutes include the HV20220PJ-G (28-lead PLCC package) and HV20220FG-G-M931 (reel packaging). Verify pinout compatibility and package dimensions before substitution to ensure mechanical fit on the PCB.

Analog Switches - Special Purpose FAQ

What is the maximum switching frequency supported by the HV20220?

The device supports an output switching frequency of up to 50 kHz with a 50% duty cycle.

How does the Latch Enable (LE) pin affect data processing?

When LE is high, the shift register data flows through to the latches. When LE is low, the switch states hold their previous condition regardless of clock inputs.

What is the typical off-isolation performance at 5 MHz?

The typical off-isolation is -60 dB at 5.0 MHz with a 50 Ω load.